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Bibliography for Large Igneous Provinces

Last revised: 13 February 1997

These are the most recent references added to the LIPs bibliography. These references were added between June-December 1996.

1996, Smithsonian Institution's global volcanism network, Bull Volcanol, 57(8): 687-695. Article

1996, Annual report of the world volcanic eruptions in 1992, Bull Volcanol, 57( Suppl.): 1-152. Article

1996, Ganymede: Wrinkled but magnetic, Nature, 382(6588): 208. Editorial

Adamkovicova, K., Nerad, I., Kosa, L., Liska, M., Strecko, J., and Proks, I., 1996, Enthalpic analysis of melts in the Ca2MgSi2O7-CaSiO3 system, Chem Geol, 128(1-4): 107-112. SILICATE LIQUIDS; HEAT-CAPACITY; FUSION; THERMODYNAMICS; DECOMPOSITION; TRANSITIONS; AKERMANITE; GLASSES; PHASES, Article K Adamkovicova, Slovak Acad Sci, Inst Inorgan Chem, Bratislava 84236, Slovakia

Adshead, J.D., 1996, Stable isotopes, C-14 dating, and geochemical characteristics of carbonate nodules and sediment from an active vent field, northern Juan de Fuca Ridge, northeast Pacific, Chem Geol, 129(1-2): 133-152. MIDDLE VALLEY; HYDROTHERMAL SULFIDE; SPREADING CENTER; MASSIVE SULFIDE; SOUTHERN TROUGH; GUAYMAS BASIN; MINERALOGY; METHANE; CALIFORNIA; CHIMNEYS, Article JD Adshead, Mineral Technol Inc, 1382 River Rd, POB 704, Manotick, on K4M 1A6, Canada

Alsina, D., and Snieder, R., 1996, Constraints on the velocity structure beneath the Tornquist-Teisseyre Zone from beam-forming analysis, Geophys J Int, 126(1): 205-218. beam-forming; faulting; scattering; surface waves; Tornquist Zone; velocity gradient; SURFACE-WAVES; UPPER-MANTLE; LINEARIZED SCATTERING; CENTRAL-EUROPE; PROPAGATION; ARRAY; EARTH, Article D Alsina, Univ Utrecht, Dept Theoret Geophys, POB 80021, NL-3508 Ta Utrecht, Netherlands

Alsina, D., Woodward, R.L., and Snieder, R.K., 1996, Shear wave velocity structure in North America from large-scale waveform inversions of surface waves, J Geophys Res-Solid Earth, 101(B7): 15969-15986. UPPER-MANTLE; LINEARIZED SCATTERING; LATERAL HETEROGENEITY; EARTH STRUCTURE; TRAVEL-TIMES; BENEATH; CALIFORNIA; EVOLUTION; PLATE; FORMALISM, Article D Alsina, Univ Utrecht, Dept Theroret Geophys, POB 80021, 3508 Ta Utrecht, Netherlands

Amelin, Y.V., Neymark, L.A., Ritsk, E.Y., and Nemchin, A.A., 1996, Enriched Nd-Sr-Pb isotopic signatures in the Dovyren layered intrusion (eastern Siberia, Russia), evidence for source contamination by ancient upper-crustal material, Chem Geol, 129(1-2): 39-69. MAFIC MAGMA CHAMBERS; TRACE-ELEMENT; CONTINENTAL-CRUST; LITHOSPHERIC MANTLE; FLOOD BASALTS; MAJOR-ELEMENT; SOUTH-AFRICA; EVOLUTION; CONSTRAINTS; XENOLITHS, Article YV Amelin, Russian Acad Sci, Inst Precambrian Geol & Geochronol, Makarova Emb 2, St Petersburg 199034, Russia

Anderson, D.L., 1996, Enriched asthenosphere and depleted plumes, International Geology Review, 38:1-21.

Aurnou, J.M., Buttles, J.L., Neumann, G.A., and Olson, P.L., 1996, Electromagnetic core-mantle coupling and paleomagnetic reversal paths, Geophys Res Lett, 23(19): 2705-2708. GEOMAGNETIC-FIELD; ANGULAR-MOMENTUM; MAGNETIC-FIELD; TRANSITION; SEDIMENTS; BOUNDARY; GEOMETRY; PLUMES, Article JM Aurnou, Johns Hopkins Univ, Dept Earth & Planetary Sci, Olin Hall, Baltimore, MD 21218 USA

Auzende, J.M., Ballu, V., Batiza, R., Bideau, D., Charlou, J.L., Cormier, M.H., Fouquet, Y., Geistdoerfer, P., Lagabrielle, Y., Sinton, J., and Spadea, P., 1996, Recent tectonic, magmatic, and hydrothermal activity on the East Pacific Rise between 17 degrees S and 19 degrees S: Submersible observations, J Geophys Res-Solid Earth, 101(B8): 17995-18010. NAUDUR CRUISE; VENT FIELD; RIDGE; FLUIDS; CREST; GEOCHEMISTRY; COMMUNITIES; EVOLUTION, Article JM Auzende, Orstom, Ifremer, BPA5, Noumea 98848, New Caledonia

Auzende, N.M., and Collot, J.Y., 1996, Seafloor mapping in the West, Southwest and South Pacific: Foreword, Mar Geophys Res, 18(2-4): 119-121. Editorial NM Auzende, Ctr Orstom Noumea, Lab Geol Geophys, BP A5, UR14, Noumea 98848, New Caledonia

Auzende, J.M., Kroenke, L., Collot, J.Y., Lafoy, Y., and Pelletier, B., 1996, Compressive tectonism along the eastern margin of Malaita island (Solomon islands), Mar Geophys Res, 18(2-4): 289-304. West Pacific; Solomon Islands; swath bathymetry; geophysics; compressive tectonism; PACIFIC PLATES BOUNDARY; FIELD, Article JM Auzende, Ctr Orstom Noumea, Lab Geol Geophys, BP A5, UR14, Noumea 98848, New Caledonia

Bach, W., Erzinger, J., Dosso, L., Bollinger, C., Bougault, H., Etoubleau, J., and Sauerwein, J., 1996, Unusually large Nb-Ta depletions in North Chile ridge basalts at 36 degrees 50' to 38 degrees 56'S: Major element, trace element, and isotopic data, Earth Planet Sci Lett, 142(1-2): 223-240. Chile Ridge; geochemistry; tantalum; niobium; mid-ocean ridge basalts; MID-ATLANTIC RIDGE; EAST PACIFIC RISE; SOUTHEAST INDIAN RIDGE; MANTLE HETEROGENEITY; SPREADING CENTER; PETROGENETIC IMPLICATIONS; HYGROMAGMAPHILE ELEMENTS; GEOCHEMICAL MORPHOLOGY; MIDOCEAN RIDGES; TRIPLE JUNCTION, Article W Bach, Univ Potsdam, Inst Geowissensch, Postfach 601553, D-14415 Potsdam, Germany

Bagdassarov, N.S., Dingwell, D.B., and Wilding, M.C., 1996, Rhyolite magma degassing: An experimental study of melt vesiculation, Bull Volcanol, 57(8): 587-601. rhyolite; vesiculation; kinetic; water; diffusion; degassing; DIFFUSIVE BUBBLE-GROWTH; SYNTHETIC FLUID INCLUSIONS; SILICATE-GLASSES; WATER-CONTENT; LOW-PRESSURE; VISCOSITY; DYNAMICS; LIQUIDS; TEMPERATURE; RELAXATION, Article NS Bagdassarov, Univ Frankfurt, Inst Meteorol & Geophys, D-60323 Frankfurt, Germany

Baker, E.T., Chen, Y.J., and Morgan, J.P., 1996, The relationship between near-axis hydrothermal cooling and the spreading rate of mid-ocean ridges, Earth Planet Sci Lett, 142(1-2): 137-145. mid-ocean ridges; sea-floor spreading; hydrothermal vents; heat flux; EAST PACIFIC RISE; DE-FUCA-RIDGE; APPARENT MAGMATIC BUDGET; CURRENT PLATE MOTIONS; HOT-SPRINGS; VENT-FIELD; SEISMIC STRUCTURE; MIDOCEAN RIDGES; HEAT-FLOW; JUAN, Article ET Baker, NOAA, Pacific Marine Environm Lab, 7600 Sand Point Way NE, Seattle, WA 98115 USA

Baker, J.A., Thirlwall, M.F., and Menzies, M.A., 1996, Sr-Nd-Pb isotopic and trace element evidence for crustal contamination of plume-derived flood basalts: Oligocene flood volcanism in western Yemen, Geochim Cosmochim Acta, 60(14): 2559-2581. ARABIAN-NUBIAN SHIELD; OCEAN-RIDGE BASALTS; RED-SEA; MANTLE SOURCES; FRACTIONAL CRYSTALLIZATION; CHEMICAL CLASSIFICATION; CONTINENTAL LITHOSPHERE; PAN-AFRICAN; EVOLUTION; GEOCHEMISTRY, Article JA Baker, Univ London, Royal Holloway & Bedford New Coll, Dept Geol, Egham TW20 0EX, Surrey, England

Baksi, A.K., Archibald, D.A., and Farrar, E., 1996, Intercalibration of Ar-40/Ar-39 dating standards, Chem Geol, 129(3-4): 307-324. POLARITY TIME-SCALE; WHOLE-ROCK BASALTS; SIBERIAN TRAPS; K-AR; AR-40-AR-39 STANDARDS; DECCAN TRAPS; AR-40; AGES; ARGON; GEOCHRONOLOGY, Article AK Baksi, Louisiana State Univ, Dept Geol & Geophys, Baton Rouge, LA 70803 USA

Baragar, W.R.A., Ernst, R.E., Hulbert, L., and Peterson, T., 1996, Longitudinal petrochemical variation in the Mackenzie dyke swarm, Northwestern Canadian shield, Journal of Petrology, 37(2): 317-359. mantle plums; flood basalts; dyke swarm; petrochemistry; Precambrian; COPPERMINE RIVER AREA; FE-TI OXIDES; MANTLE PLUME; FLOOD BASALTS; GEOCHEMICAL EVOLUTION; IGNEOUS EVENTS; NORILSK REGION; MAGMA CHAMBER; EQUILIBRIA; OLIVINE,

Barrat, J.A., and Nesbitt, R.W., 1996, Geochemistry of the tertiary volcanism of Northern Ireland, Chem Geol, 129(1-2): 15-38. TRACE-ELEMENT CONSTRAINTS; FLOOD BASALTS; ISOTOPIC EVIDENCE; FRACTIONAL CRYSTALLIZATION; LITHOSPHERIC MANTLE; CALEDONIAN GRANITES; INTERMEDIATE LAVAS; CONTINENTAL-CRUST; MAGMA GENESIS; ICELAND PLUME, Article JA Barrat, Univ Grenoble 1, Ufr Geol, Lab Geodynam Chaines Alpines, CNRS Upres 129, 15 Rue Maurice Gignoux, F-38031 Grenoble, France

Barron, B.J., Robertson, A.D., and Sutherland, F.L., 1996, Olivine 'leucitites', their xenolith and megacryst suites, Hoskings peaks, north Queensland, Aust J Earth Sci, 43(3): 231-244. leucitite; mantle; metasomatism; olivine; pyroxene; xenocrysts; xenoliths; NEW-SOUTH-WALES; ANALCIME PHENOCRYSTS; MICROPROBE ANALYSES; ALKALINE MAGMAS; BASALTIC ROCKS; IGNEOUS ROCKS; SECONDARY; PYROXENE; CLINOPYROXENES; CLASSIFICATION, Article BJ Barron, Australian Museum, Div Earth & Environm Sci, 6-8 Coll St, Sydney, NSW 2000, Australia

Barruol, G., and Kern, H., 1996, Seismic anisotropy and shear-wave splitting in lower-crustal and upper-mantle rocks from the Ivrea Zone - Experimental and calculated data, Phys Earth Planet Interiors, 95(3-4): 175-194. LATTICE-PREFERRED ORIENTATION; VELOCITY ANISOTROPY; SOUTHERN ALPS; VERBANO ZONE; CONTINENTAL-CRUST; IGNEOUS COMPLEX; POGALLO LINE; WESTERN ALPS; SKS-WAVES; DEFORMATION, Article G Barruol, Univ Montpellier 2, Lab Tectonophys, Ura CNRS 1764, F-34095 Montpellier, France

Barth, G.A., and Mutter, J.C., 1996, Variability in oceanic crustal thickness and structure: Multichannel seismic reflection results from the northern East Pacific Rise, J Geophys Res-Solid Earth, 101(B8): 17951-17975. OVERLAPPING SPREADING CENTERS; RIDGE-AXIS DISCONTINUITIES; MID-ATLANTIC RIDGE; CLIPPERTON FRACTURE-ZONE; BENEATH MIDOCEAN RIDGES; DEPTH POINT DATA; OMAN OPHIOLITE; MAGMA CHAMBER; GRAVITY-ANOMALIES; PLATE BOUNDARY, Review GA Barth, Stanford Univ, Dept Geophys, Stanford, CA 94305 USA

Bassett, K.N., and Kleinspehn, K.L., 1996, Mid-cretaceous transtension in the Canadian Cordillera: Evidence from the Rocky Ridge volcanics of the Skeena group, Tectonics, 15(4): 727-746. CENTRAL BRITISH-COLUMBIA; COAST PLUTONIC COMPLEX; BACK-ARC BASIN; CENTRAL SOUTHEASTERN ALASKA; YUKON-TANANA TERRANE; SPENCES-BRIDGE-GROUP; ISLAND-ARC; CHEMICAL CLASSIFICATION; PALEOMAGNETIC EVIDENCE; TECTONIC IMPLICATIONS, Review KN Bassett, Univ Calif Santa Barbara, Dept Geol Sci, Santa Barbara, CA 93106 USA

Bataille, K., and Lund, F., 1996, Strong scattering of short-period seismic waves by the core-mantle boundary and the P-diffracted wave, Geophys Res Lett, 23(18): 2413-2416. MULTIPLE-SCATTERING; LOWERMOST MANTLE; INHOMOGENEITIES; ENERGY; PROPAGATION, Article K Bataille, Univ Chile, Dept Geofis, Casilla 2777, Santiago, Chile

Baudin, F., 1996, Record of the Early Aptian oceanic anoxic event in the peritidal facies of Resolution Guyot (NW Pacific Ocean), C R Acad Sci Ser II A, 323(3): 221-228. Lower Cretaceous; Ocean Drilling Program; mid-Pacific mountains; organic matter; anoxia; VOLCANISM, Article F Baudin, Upmc, CNRS Ura 1761, 4 Pl Jussieu, Case 117, F-75252 Paris 05, France

Baudry, N., and Calmant, S., 1996, Seafloor mapping from high-density satellite altimetry, Mar Geophys Res, 18(2-4): 135-146. satellite altimetry; marine gravity; bathymetric maps; SHIP-BORNE PROFILES; SEAMOUNT TOPOGRAPHY; GRAVITY-ANOMALIES; GEOID HEIGHTS; BATHYMETRY; LITHOSPHERE; PREDICTION; INVERSION; OCEANS, Article N Baudry, Seafloor Imaging Inc, BP 8039, Noumea Sud 98807, New Caledonia

Bea, F., 1996, Residence of REE, Y, Th and U in granites and crustal protoliths; Implications for the chemistry of crustal melts, J Petrol, 37(3): 521-552. accessory minerals; geochemical modelling; granitoids; REE, Y, Th, U; RARE-EARTH ELEMENTS; ELECTRON-MICROPROBE ANALYSIS; TRACE-ELEMENT; ACCESSORY MINERALS; ION-MICROPROBE; FELSIC MAGMAS; ZIRCON; MONAZITE; APATITE; GARNET, Article F Bea, Univ Granada, Dept Mineral & Petrol, Campus Fuentenueva, Granada 18002, Spain

Behrendt, J.C., Saltus, R., Damaske, D., Mccafferty, A., Finn, C.A., Blankenship, D., and Bell, R.E., 1996, Patterns of late Cenozoic volcanic and tectonic activity in the West Antarctic rift system revealed by aeromagnetic surveys, Tectonics, 15(3): 660-676. TRANSANTARCTIC MOUNTAINS; ICE-SHEET; UPLIFT; BOUNDARY; EAST, Article JC Behrendt, US Geol Survey, MS 964, Denver, CO 80225 USA

Bekki, S., Pyle, J.A., Zhong, W., Toumi, R., Haigh, J.D., and Pyle, D.M., 1996, The role of microphysical and chemical processes in prolonging the climate forcing of the Toba eruption, Geophys Res Lett, 23(19): 2669-2672. MOUNT-PINATUBO ERUPTION; OZONE DEPLETION; IMPACT; EMISSIONS; AIRCRAFT; LARAMIE; SUMMER; CLOUDS; WINTER; MODEL, Article S Bekki, Univ Cambridge, Dept Chem, Ctr Atmospher Sci, Lensfield Rd, Cambridge CB2 1EW, England

Bennett, M.R., and Doyle, P., 1996, Global cooling inferred from dropstones in the Cretaceous: Fact or wishful thinking?, Terra Nova, 8(2): 182-185. ICE; CLIMATES, Article MR Bennett, Univ Greenwich, Sch Earth Sci, Medway Towns Campus, Chatham ME4 4AW, Kent, England

Berndt, M.E., Allen, D.E., and Seyfried, W.E., 1996, Reduction of CO, during serpentinization of olivine at 300 degrees C and 500 bar (vol 24, pg 351, 1996), Geology, 24(7): 671. Correction

Bernstein, S., Kelemen, P.B., and Brooks, C.K., 1996, Evolution of the Kap Edvard Holm Complex: A mafic intrusion at a rifted continental margin, J Petrol, 37(3): 497-519. fractionation; ion microprobe; layered intrusions; rift processes; trace elements; LAYERED-GABBRO-COMPLEX; RARE-EARTH ELEMENTS; EAST GREENLAND; MAGMA CHAMBER; GEOCHEMICAL EVOLUTION; FRACTIONAL CRYSTALLIZATION; DISTRIBUTION COEFFICIENTS; SKAERGAARD INTRUSION; SILICATE MINERALS; PLATEAU BASALTS, Article S Bernstein, Danish Lithosphere Ctr, Oster Voldgade 10, DK-1350 Copenhagen K, Denmark

Bhattacharji, S., Chatterjee, N., Wampler, J.M., Nayak, P.N., and Deshmukh, S.S., 1996, Indian intraplate and continental margin rifting, lithospheric extension, and mantle upwelling in Deccan flood basalt volcanism near the K/T boundary: Evidence from mafic dike swarms, J Geol, 104(4): 379-398. CRETACEOUS TERTIARY BOUNDARY; NARMADA-SON LINEAMENT; RAPID ERUPTION; WESTERN GHATS; TRAPS; MAGMATISM; EVOLUTION; ORIGIN; LAVAS; AGE, Article S Bhattacharji, CUNY Brooklyn Coll, Dept Geol, Brooklyn, NY 11210 USA

Binzel, R.P., Bus, S.J., Burbine, T.H., and Sunshine, J.M., 1996, Spectral properties of near-Earth asteroids: Evidence for sources of ordinary chondrite meteorites, Science, 273(5277): 946-948. SPECTROSCOPY; DISCOVERY, Article RP Binzel, Mit, Dept Earth Atmospher & Planetary Sci, Cambridge, MA 02139 USA

Blichert-Toft, J., Arndt, N.T., and Ludden, J.N., 1996, Precambrian alkaline magmatism, Lithos, 37(2-3): 97-111. ABITIBI GREENSTONE-BELT; ARCHEAN LAMPROPHYRE DYKES; SUPERIOR-PROVINCE; VOLCANIC-ROCKS; KIRKLAND LAKE; NORTHEASTERN MINNESOTA; NORTHWEST TERRITORIES; MANTLE HETEROGENEITY; WESTERN-AUSTRALIA; OCEANIC PLATEAUS, Article J Blicherttoft, Ecole Normale Super Lyon, 46 Allee Italie, F-69364 Lyon 07, France

Boehler, R., 1996, Fe-FeS eutectic temperatures to 620 kbar, Phys Earth Planet Interiors, 96(2-3): 181-186. EARTHS CORE; PHASE-RELATIONS; HIGH-PRESSURES; IRON; SULFUR; SYSTEM; OXYGEN; STATE, Article R Boehler, Max Planck Inst Chem, D-55020 Mainz, Germany

Boehler, R., 1996, Melting of mantle and core materials at very high pressures, Phil Trans Roy Soc London A, 354(1711): 1265-1278. EARTHS CORE; GEOPHYSICAL IMPLICATIONS; SILICATE PEROVSKITE; SHOCK TEMPERATURES; PHASE-TRANSITIONS; IRON; CURVE; FEO; CONSTRAINTS; KBAR, Article R Boehler, Max Planck Inst Chem, D-55020 Mainz, Germany

Bonatti, E., 1996, Long-lived oceanic transform boundaries formed above mantle thermal minima, Geology, 24(9): 803-806. AUSTRALIAN-ANTARCTIC DISCORDANCE; MID-ATLANTIC RIDGE; SOUTH-ATLANTIC; AXIAL DEPTH; LITHOSPHERE; PLATE; EVOLUTION; ANOMALIES; BENEATH; MODEL, Article E Bonatti, Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA

Borsi, L., Scharer, U., Gaggero, L., and Crispini, L., 1996, Age, origin and geodynamic significance of plagiogranites in lherzolites and gabbros of the Piedmont-Ligurian ocean basin, Earth Planet Sci Lett, 140(1-4): 227-241. Ligurian Alps; Northern Apennines; plagiogranites; U/Pb; Sm/Nd; geochemistry; MANTLE; MODEL; PB; PERIDOTITES; VOLTRI; ZIRCON; CRUST, Article L Borsi, Univ Paris 07, Lab Geochronol, 2 Pl Jussieu, F-75251 Paris 05, France

Bosenick, A., Geiger, C.A., and Cemic, L., 1996, Heat capacity measurements of synthetic pyrope-grossular garnets between 320 and 1000 K by differential scanning calorimetry, Geochim Cosmochim Acta, 60(17): 3215-3227. HIGH-TEMPERATURE; THERMODYNAMIC DATA; SILICATE GARNETS; ALKALI FELDSPARS; SOLID-SOLUTIONS; ENTHALPIES; DISORDER; MINERALS; ENTROPY; ORDER, Article A Bosenick, Christian Albrechts Univ Kiel, Inst Mineral Petrog, D-24098 Kiel, Germany

Bostock, M.G., 1996, A seismic image of the upper mantle beneath the North American craton, Geophys Res Lett, 23(13): 1593-1596. DISCONTINUITIES, Article MG Bostock, Univ British Columbia, Dept Geophys & Astron, Vancouver, BC V6T 1Z4, Canada

Bourdon, B., Langmuir, C.H., and Zindler, A., 1996, Ridge-hotspot interaction along the Mid-Atlantic Ridge between 37 degrees 30' and 40 degrees 30'N: The U-Th disequilibrium evidence, Earth Planet Sci Lett, 142(1-2): 175-189. Mid-Atlantic Ridge; hot spots; mid-ocean ridges; U-238/Th-230; equilibrium; EAST PACIFIC RISE; CENTRAL-NORTH-ATLANTIC; CRUSTAL THICKNESS; ISOTOPIC GEOCHEMISTRY; GRAVITY-ANOMALIES; MANTLE STRUCTURE; SPREADING CENTER; BASALT GLASSES; BENEATH; SERIES, Article B Bourdon, Ipgp, CNRS, Lab Geochim & Cosmochime, T-14-24, 4 Pl Jussieu, F-75252 Paris 05, France

Bowring, S.A., and Housh, T., 1996, Sm-Nd isotopic data and Earth's evolution - Response, Science, 273(5283): 1878-1879. Article SA Bowring, Mit, Dept Earth Atmospher & Planetary Sci, Cambridge, MA 02139 USA

Brown, J.W., and White, R.S., 1994, Variation with spreading rage of oceanic crustal thickness and geochemistry, Earth and Planetary Science Letters, 121:435-449.

Brown, P.E., Evans, I.B., and Becker, S.M., 1996, The Prince of Wales formation - Post-flood basalt alkali volcanism in the tertiary of East Greenland, Contributions to Mineralogy and Petrology, 123(4): 424-434. ATLANTIC; MANTLE; MODEL,

Bull, J.M., and Masson, D.G., 1996, The southern margin of the Rockall Plateau: Stratigraphy, Tertiary volcanism and plate tectonic evolution, J Geol Soc, 153( Part 4): 601-612. Rockall Plateau; North Atlantic; Tertiary; volcanism; seismic stratigraphy; CONTINENTAL MARGINS; CRUSTAL STRUCTURE; MAGMATISM; TROUGH, Article JM Bull, Univ Southampton, Southampton Oceanog Ctr, Southampton SO14 3ZH, Hants, England

Calmant, S., and Baudry, N., 1996, Modelling bathymetry by inverting satellite altimetry data: A review, Mar Geophys Res, 18(2-4): 123-134. satellite altimetry; marine gravity; bathymetry; PACIFIC-ANTARCTIC RIDGE; EXACT REPEAT MISSION; SHIP-BORNE PROFILES; SOUTH-PACIFIC; GEOID HEIGHTS; SEAMOUNT TOPOGRAPHY; LOUISVILLE RIDGE; SEASAT ALTIMETRY; GRAVITY; GEOSAT, Article S Calmant, Orstom, Inst Francais Rech Sci Dev Cooperat, BP A5, Noumea, New Caledonia

Cameron, K.L., Parker, D.F., and Sampson, D.E., 1996, Testing crustal melting models for the origin of flood rhyolites: A Nd-Pb-Sr isotopic study of the tertiary Davis mountains volcanic field, west Texas, J Geophys Res-Solid Earth, 101(B9): 20407-20422. TRANS-PECOS TEXAS; NEW-MEXICO; UNITED-STATES; TRACE-ELEMENT; EVOLUTION; ROCKS; CORDILLERA; XENOLITHS; REGION; EXTENT, Article KL Cameron, Univ Calif Santa Cruz, Dept Earth Sci, Santa Cruz, CA 95064 USA

Campbell, B.A., and Shepard, M.K., 1996, Lava flow surface roughness and depolarized radar scattering, J Geophys Res-Planets, 101(E8): 18941-18951. PISGAH VOLCANIC FIELD; CALIFORNIA; IMAGES; MODEL; CALIBRATION; INVERSION; VENUS, Article BA Campbell, Smithsonian Inst, Ctr Earth & Planetary Studies, MRC 315, Washington, DC 20560 USA

Camps, P., Ruffet, G., Shcherbakov, V.P., Shcherbakova, V.V., Prevot, M., Moussinepouchkine, A., Sholpo, L., Goguitchaichvili, A., and Asanidze, B., 1996, Paleomagnetic and geochronological study of a geomagnetic field reversal or excursion recorded in pliocene volcanic rocks from Georgia (Lesser Caucasus), Phys Earth Planet Interiors, 96(1): 41-59. LASCHAMP EXCURSION; PALEOINTENSITIES; ICELAND; HAWAII; STRATIGRAPHY; BASALTS; MODELS; LAVAS, Article P Camps, Univ Montpellier 2, Lab Tecton & Geophys, CNRS, Unite Associe 060, Pl Eugene Batillon, F-34095 Montpellier 5, France

Canil, D., and Oneill, H.S.C., 1996, Distribution of ferric iron in some upper-mantle assemblages, J Petrol, 37(3): 609-635. mantle; oxidation; partitioning; peridotite; thermobarometry; NORWEGIAN GARNET PERIDOTITES; SPINEL OXYGEN GEOBAROMETER; RARE-EARTH ELEMENTS; ORTHO-PYROXENE; OXIDATION-STATE; LITHOSPHERIC MANTLE; GEOCHEMICAL CONSTRAINTS; CRYSTAL-CHEMISTRY; FINSCH KIMBERLITE; SOUTH-AFRICA, Article D Canil, Univ Victoria, Sch Earth & Ocean Sci, POB 1700, Victoria, BC V8W 2Y2, Canada

Canil, D., 1996, An experimental calibration of the ''nickel in garnet'' geothermometer with applications - Reply, Contrib Mineral Petrol, 124(2): 219-223. FERRIC IRON; OLIVINE; ELEMENTS; MINERALS; LIQUID; MANTLE, Editorial D Canil, Univ Victoria, Sch Earth & Ocean Sci, POB 1700, Victoria, BC V8W 2Y2, Canada

Carracedo, J.C., 1996, Morphological and structural evolution of the western Canary Islands: Hotspot-induced three-armed rifts or regional tectonic trends? Reply, J Volcanol Geotherm Res, 72(1-2): 151-162. CRUSTAL STRUCTURE; MODEL; VOLCANOS; MANTLE; GROWTH, Editorial JC Carracedo, Csic, Inst Prod Nat, Estac Volcanol Canarias, POB 195, Tenerife, Spain

Carrington, D.P., and Harley, S.L., 1996, Cordierite as a monitor of fluid and melt H2O contents in the lower crust: An experimental calibration, Geology, 24(7): 647-650. WATER CONTENTS; MG-CORDIERITE; KINETICS; CO2, Article DP Carrington, Univ Edinburgh, Dept Geol & Geophys, W Mains Rd, Edinburgh EH9 3JW, Midlothian, Scotland

Chapman, M.G., and Kirk, R.L., 1996, A migratory mantle plume on Venus: Implications for Earth?, J Geophys Res-Solid Earth, 101(B7): 15953-15967. THERMAL EVOLUTION; GLOBAL DISTRIBUTION; CONVECTION PLUMES; MAGELLAN DATA; VOLCANISM; CORONAE; MORPHOLOGY; TECTONICS; HOTSPOTS; CLASSIFICATION, Article MG Chapman, US Geol Survey, 2255 N Gemini Dr, Flagstaff, AZ 86001 USA

Chardon, D., Choukroune, P., and Jayananda, M., 1996, Strain patterns, decollement and incipient sagducted greenstone terrains in the Archaean Dharwar craton (south India), J Struct Geol, 18(8): 991. ARMORICAN-SHEAR-ZONE; WESTERN-AUSTRALIA; ARCHEAN CRUST; PROGRESSIVE DEFORMATION; ANGULAR-UNCONFORMITY; SUPRACRUSTAL ROCKS; PENINSULAR GNEISS; FINITE STRAIN; KARNATAKA; BELT, Article D Chardon, Univ Aix Marseille 3, Cerege, Domaine Petit Arbois, F-13545 Aix Provence 4, France

Chen, G.Q., and Ahrens, T.J., 1996, High-pressure melting of iron: New experiments and calculations, Phil Trans Roy Soc London A, 354(1711): 1251-1263. EARTH CORE CONDITIONS; GAMMA-FE; TEMPERATURES; TRANSITIONS; ELASTICITY; EQUATION; STATE; POINT; PHASE, Article GQ Chen, Caltech, Seismol Lab, Lindhurst Lab Expt Geophys, Pasadena, CA 91125 USA

Circone, S., and Agee, C.B., 1996, Compressibility of molten high-Ti mare glass: Evidence for crystal-liquid density inversions in the lunar mantle, Geochim Cosmochim Acta, 60(14): 2709-2720. TEMPERATURE HEAT-CAPACITIES; THERMODYNAMIC PROPERTIES; OLIVINE FLOTATION; ELASTIC-CONSTANTS; THERMAL-EXPANSION; SILICATE LIQUIDS; PRESSURE; BRONZITE; DIOPSIDE; MELTS, Article S Circone, Harvard Univ, Dept Earth & Planetary Sci, 20 Oxford St, Cambridge, MA 02138 USA

Class, C., Goldstein, S.L., and Galer, S.J.G., 1996, Temporal evolution of the Kerguelen plume: Geochemical evidence from approximate to 38 to 82 Ma lavas forming the Ninetyeast Ridge - Discussion, Contrib Mineral Petrol, 124(1): 98-103. AUSTRALIAN-ANTARCTIC DISCORDANCE; SOUTHEAST INDIAN RIDGE; MANTLE; OCEAN; BASALTS; ORIGIN; BOUNDARY; PLATEAU; BENEATH, Article C Class, Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA

Condie, K.C., Kroner, A., and Milisenda, C.C., 1996, Geochemistry and geochronology of the Mkhondo suite, Swaziland: Evidence for passive-margin deposition and granulite facies metamorphism in the late Archean of southern Africa, (eds.), Journal of African Earth Sciences, 22: 483-506, ANCIENT GNEISS COMPLEX; CONTINENTAL FLOOD VOLCANISM; TRACE-ELEMENT GEOCHEMISTRY; SUPRACRUSTAL ROCKS; WESTERN-AUSTRALIA; CRUSTAL EVOLUTION; ND ISOTOPES; SR ISOTOPES; PB AGES; TH-PB,

Constantin, M., Hekinian, R., Bideau, D., and Hebert, R., 1996, Construction of the oceanic lithosphere by magmatic intrusions: Petrological evidence from plutonic rocks formed along the fast-spreading East Pacific Rise, Geology, 24(8): 731-734. GARRETT TRANSFORM-FAULT; MID-ATLANTIC RIDGE; HESS DEEP; EQUATORIAL PACIFIC; CRUST; MICROPLATE; EVOLUTION; THICKNESS; NORTHERN, Article M Constantin, Univ Toronto, Dept Geol, 22 Russell St, Toronto, on M5S 3B1, Canada

Corfu, F., 1996, Multistage zircon and titanite growth and inheritance in an Archean gneiss complex, Winnipeg River subprovince, Ontario, Earth Planet Sci Lett, 141(1-4): 175-186. U/Pb; Superior Province; gneisses; zircon; titanite; absolute age; SUPERIOR-PROVINCE; U-PB; GREENSTONE-BELT; WABIGOON SUBPROVINCE; GEOCHRONOLOGICAL CONSTRAINTS; NORTHWESTERN ONTARIO; CRUSTAL EVOLUTION; SLAVE PROVINCE; CANADA; AGES, Article F Corfu, Royal Ontario Museum, Dept Geol, Jack Satterly Lab, 100 Queens Pk, Toronto, on M5S 2C6, Canada

Crame, J.A., Lomas, S.A., Pirrie, D., and Luther, A., 1996, Late Cretaceous extinction patterns in Antarctica, J Geol Soc, 153( Part 4): 503-506. Antarctica; K-T boundary; Inoceramidae; belemnites; extinction; JAMES-ROSS-ISLAND; PENINSULA REGION; STRATIGRAPHY, Article JA Crame, NERC, British Antarctic Survey, Madingley Rd, Cambridge CB3 0ET, England

Daniel, I., Mcmillan, P.F., Gillet, P., and Poe, B.T., 1996, Raman spectroscopic study of structural changes in calcium aluminate (CaAl2O4) glass at high pressure and high temperature, Chem Geol, 128(1-4): 5-15. INDUCED COORDINATION CHANGES; AL-27 NMR-SPECTROSCOPY; X-RAY-DIFFRACTION; SILICATE MELTS; SIO2-AL2O3 GLASSES; 5-COORDINATED SILICON; SIO2 GLASS; MAS NMR; LIQUIDS; VISCOSITY, Article I Daniel, Ecole Normale Super Lyon, Ura CNRS 726, Lab Sci Terre, 46 Allee Italie, F-69364 Lyon 07, France

Davies, J.H., and Masters, G., 1996, A shear-velocity model of the mantle - Discussion, Phil Trans Roy Soc London A, 354(1711): 1411. Editorial JH Davies, Univ Liverpool, Dept Earth Sci, Liverpool L69 3BX, Merseyside, England

Davis, R.G., and Whaler, K.A., 1996, Determination of a steady velocity field in a rotating frame of reference at the surface of the Earth's core, Geophys J Int, 126(1): 92-100. Core-mantle boundary; flow imaging; geomagnetism; SIMULTANEOUS STOCHASTIC INVERSION; INFINITE PRANDTL NUMBER; GEOMAGNETIC MAIN FIELD; SPHERICAL FLUID SHELL; MAGNETIC-FIELD; MANTLE BOUNDARY; SECULAR VARIATION; CONDUCTING MANTLE; FLOW; MOTIONS, Article RG Davis, Univ Bayreuth, Inst Phys, Postfach 101251, D-8580 Bayreuth, Germany

Davis, W.J., Gariepy, C., and Vanbreemen, O., 1996, Pb isotopic composition of late Archaean granites and the extent of recycling early Archaean crust in the Slave Province, northwest Canada, Chem Geol, 130(3-4): 255-269. ABITIBI GREENSTONE-BELT; LEAD-ISOTOPE; ARCHEAN CRUST; EVOLUTION; TERRITORIES; GEOCHEMISTRY; MANTLE; NEODYMIUM; FELDSPARS; GNEISSES, Article WJ Davis, Geol Survey Canada, 601 Booth St, Ottawa, on K1A 0E8, Canada

Delvaux, D., and Khan, A., 1995, Project 400: Geodynamics of continental rifting, Episodes, 18(4): 186. Editorial D Delvaux, Royal Museum Cent Africa, Dept Geol & Mineral, B-3080 Tervuren, Belgium

Demant, A., and Morata, D., 1996, The tholeiitic dolerites from Gaujacq and St-Pandelon (Landes, France). Petrology, geochemistry and geodynamic framework, Bull Soc Geol Fr, 167(3): 321-333. volcanism; Trias-Lias boundary; ophites; Landes; France; petrology; geochemistry; geodynamic framework; CONTINENTAL FLOOD VOLCANISM; LITHOSPHERIC MANTLE; TRIASSIC DOLERITES; TRACE-ELEMENT; ND-ISOTOPE; MAGMATISM; PYRENEES; ROCKS; METABASITES; OPHITES, Article A Demant, Univ Aix Marseille 3, Ura CNRS 1277, Lab Petrol Magmat, F-13397 Marseille 20, France

Derry, L.A., and Francelanord, C., 1996, Neogene Himalayan weathering history and river Sr-87/Sr-86: Impact on the marine Sr record, Earth Planet Sci Lett, 142(1-2): 59-74. Himalayas; ODP Site 717; ODP Site 718; Sr-87/Sr-86; Neogene; clay mineralogy; weathering; STRONTIUM ISOTOPES; SEAWATER; EVOLUTION; TECTONICS; MIOCENE; BENGAL; OCEAN; SEDIMENTS; MECHANISM; MONSOON, Article LA Derry, Cornell Univ, Dept Geol Sci, Ithaca, NY 14853 USA

Detre, C.H., Bevan, A., Glass, B.P., Jakabska, K., Ouyang, Z., Papp, E., Raukas, A., and Udubasa, G., 1995, Project 384: Impact and extraterrestrial spherules, Episodes, 18(4): 185. Editorial CH Detre, Geol Inst Hungary, Stefania Ut 14, H-1143 Budapest, Hungary

Devries, B.V., and Merle, O., 1996, The effect of volcanic constructs on rift fault patterns, Geology, 24(7): 643-646. DE-FUCA RIDGE; AXIAL SEAMOUNT; STRESS, Article BV Devries, Open Univ, Dept Earth Sci, Walton Hall, Milton Keynes MK7 6AA, Bucks, England

Dhondt, S., King, J., and Gibson, C., 1996, Oscillatory marine response to the Cretaceous-Tertiary impact, Geology, 24(7): 611-614. SEA DRILLING PROJECT; BOUNDARY; EXTINCTION; PATTERNS; BEARING; LEG-72; HAITI, Article S Dhondt, Univ Rhode Isl, Grad Sch Oceanog, Narragansett, RI 02882 USA

Diaz, J., Hirn, A., Gallart, J., and Abalos, B., 1996, Upper-mantle anisotropy in SW Iberia from long-range seismic profiles and teleseismic shear-wave data, Phys Earth Planet Interiors, 95(3-4): 153-166. AZIMUTHAL ANISOTROPY; MOTION; LITHOSPHERE; DEFORMATION, Article J Diaz, Inst Phys Globe, Paris, France

Dingwell, D.B., 1996, Volcanic dilemma: Flow or blow?, Science, 273(5278): 1054-1055. MAGMA, Editorial DB Dingwell, Univ Bayreuth, Bayer Geoinst, POB 101251, D-95440 Bayreuth, Germany

Dmitriev, Y.I., and Bogatikov, O.A., 1996, Emeishan flood basalts, Yangtze platform: Indicators of an aborted oceanic environment?, Petrology, 4(4): 407-418. PARANA PLATEAU BRAZIL; CRUSTAL CONTAMINATION; MANTLE HETEROGENEITY; SOUTHERN BRAZIL; MAGMATISM; PETROLOGY; ISOTOPES; GENESIS; CHINA,

Doin, M.P., and Fleitout, L., 1996, Thermal evolution of the oceanic lithosphere: An alternative view, Earth Planet Sci Lett, 142(1-2): 121-136. lithosphere; oceanic crust; cooling; heat flow; thermal history; SINGLE-CRYSTAL FORSTERITE; SMALL-SCALE CONVECTION; MANTLE CONVECTION; HEAT-FLOW; CONTINENTAL-MARGIN; GEOID ANOMALIES; FRACTURE-ZONES; TEMPERATURE; VISCOSITY; BATHYMETRY, Article L Fleitout, Ens, Geol Lab, Ura CNRS 1316, 24 Rue Lhomond, F-75005 Paris, France

Doin, M.P., Fleitout, L., and Mckenzie, D., 1996, Geoid anomalies and the structure of continental and oceanic lithospheres, J Geophys Res-Solid Earth, 101(B7): 16119-16135. UPPER MANTLE STRUCTURE; HEAT-FLOW; RADIAL VISCOSITY; SHIELD GEOTHERM; CANADIAN SHIELD; FRACTURE-ZONE; DYNAMIC EARTH; HETEROGENEITY; TOPOGRAPHY; TOMOGRAPHY, Article MP Doin, Ecole Normale Super, CNRS, Ura 1316, 24 Rue Lhomond, F-75231 Paris 05, France

Donnelly, T.W., 1973, Late Cretaceous basalts from the Caribbean, a possible flood basalt province of vast size, EOS, 54:1004. Caribbean, igneous, flood-basalt, abstract,

Dostal, J., and Mueller, W., 1996, An archean oceanic felsic dyke swarm in a nascent arc: The Hunter Mine Group, Abitibi Greenstone Belt, Canada, J Volcanol Geotherm Res, 72(1-2): 37-57. U-PB GEOCHRONOLOGY; SUPERIOR PROVINCE; VOLCANIC-ROCKS; ISLAND-ARC; EASTERN ABITIBI; GEOCHEMICAL EVOLUTION; TECTONIC EVOLUTION; SPREADING CENTER; GRANITIC MAGMAS; SUMISU RIFT, Article J Dostal, St Marys Univ, Dept Geol, Halifax, Ns B3H 3C3, Canada

Drinkwater, N.J., Pickering, K.T., and Siedlecka, A., 1996, Deep-water fault-controlled sedimentation, Arctic Norway and Russia: Response to Late Proterozoic rifting and the opening of the Iapetus Ocean, Journal of the Geological Society, 153( Part 3): 427-436. Iapetus; upper Proterozoic; marine sedimentation; mantle plumes; KONGSFJORD FORMATION; SUBMARINE FAN; NORTH NORWAY; N NORWAY; FINNMARK; DEPOSITS,

Dypvik, H., Gudlaugsson, S.T., Tsikalas, F., Attrep, M., Ferrell, R.E., Krinsley, D.H., Mork, A., Faleide, J.I., and Nagy, J., 1996, Mjolnir structure: An impact crater in the Barents sea, Geology, 24(9): 779-782. SPITSBERGEN; EXTINCTION; QUARTZ; ORIGIN, Article H Dypvik, Univ Oslo, Dept Geol, POB 1047, N-0316 Oslo, Norway

Ekman, M., and Makinen, J., 1996, Recent postglacial rebound, gravity change and mantle flow in Fennoscandia, Geophys J Int, 126(1): 229-234. Fennoscandian uplift; glacial rebound; gravity; TERM CRUSTAL MOVEMENTS; GLACIAL ISOSTASY; ASTHENOSPHERIC PROCESSES; UPLIFT; VISCOSITY; RESPECT; LITHOSPHERE; THICKNESS; EARTH, Article M Ekman, Natl Land Survey, Div Geodet Res, S-80182 Gavle, Sweden

Ellis, S., 1996, Forces driving continental collision: Reconciling indentation and mantle subduction tectonics, Geology, 24(8): 699-702. DEFORMATION; OROGENS; MODEL; EVOLUTION; BELTS; ZONE, Article S Ellis, Dalhousie Univ, Dept Oceanog, Halifax, Ns B3H 4J1, Canada

Elthon, D., Ross, D.K., and Meen, J.K., 1996, Compositional variations of basaltic glasses from the Mid-Cayman Rise spreading center (vol 100, pg 12497, 1995), J Geophys Res-Solid Earth, 101(B8): 17577-17579. Correction

Encarnaci—n, J., Fleming, T.H., Elliot, D.H., and Eales, H.V., 1996, Synchronous emplacement of Ferrar and Karoo dolerites and the early breakup of Gondwana, Geology, 24(6): 535-538.

Erbacher, J., Thurow, J., and Littke, R., 1996, Evolution patterns of radiolaria and organi matter variations: a new approach to identify sea-level changes in mid-Cretaceous pelagic environments, Geology, 24(6): 499-502.

Faccenna, C., Davy, P., Brun, J.P., Funiciello, R., Giardini, D., Mattei, M., and Nalpas, T., 1996, The dynamics of back-arc extension: An experimental approach to the opening of the Tyrrhenian Sea, Geophys J Int, 126(3): 781-795. analogue experiments; Tyrrhenian back-arc basin; CONTINENTAL LITHOSPHERE; PALEOMAGNETIC EVIDENCE; NORTHERN APENNINES; MEDITERRANEAN REGION; RELATIVE IMPORTANCE; BASIN EVOLUTION; PASSIVE MARGIN; PLATE MOTION; STRESS-FIELD; THRUST-BELT, Article C Faccenna, Univ Rome 3, Dipartimento Sci Geol, V Ostiense 169, I-00154 Rome, Italy

Faggioni, O., Pinna, E., Savelli, C., and Schreider, A.A., 1996, Geomagnetism and age study of Tyrrhenian seamounts (vol 123, pg 915, 1995), Geophysical Journal International, 125(2): 637.

Fechner, N., and Jokat, W., 1996, Seismic refraction investigations on the crustal structure of the western Jameson Land Basin, East Greenland, J Geophys Res-Solid Earth, 101(B7): 15867-15881. BASALTS, Article N Fechner, Alfred Wegener Inst Polar & Marine Res, Columbusstr, D-27568 Bremerhaven, Germany

Findlay, H., 1995, Project 383: Palaeostress, neotectonics, geodynamics and natural hazard in the West Pacific/Asia, Episodes, 18(4): 185. Editorial H Findlay, Dept Min & Petr, Private Mail Box, Port Moresby, Papua N Guinea

Fontignie, D., and Schilling, J.G., 1996, Mantle heterogeneities beneath the South Atlantic: A Nd-Sr-Pb isotope study along the Mid-Atlantic Ridge (3 degrees S-46 degrees S), Earth Planet Sci Lett, 142(1-2): 209-221. South Atlantic; Mid-Atlantic Ridge; mantle plumes; Sr-87/Sr-86; Nd-144/Nd-143; Pb-208/Pb-204; RARE-EARTH EVIDENCE; REYKJANES RIDGE; OCEAN ISLANDS; FLOOD BASALTS; PLUME; EVOLUTION; CONVECTION; MAGMATISM; HOTSPOTS; SYSTEM, Article D Fontignie, Univ Geneva, Dept Mineral, Rue Maraichers 13, CH-1211 Geneva 4, Switzerland

Fouch, M.J., and Fischer, K.M., 1996, Mantle anisotropy beneath northwest Pacific subduction zones, J Geophys Res-Solid Earth, 101(B7): 15987-16002. WAVE POLARIZATION ANISOTROPY; CRYSTAL ELASTIC PROPERTIES; SEISMIC ANISOTROPY; AZIMUTHAL ANISOTROPY; PLASTIC-DEFORMATION; DEEP-STRUCTURE; PLATE MOTION; SHEAR-WAVES; JAPAN SEA; PHASE, Article MJ Fouch, Brown Univ, Dept Geol Sci, Box 1846, Providence, RI 02912 USA

Fountain, D.M., and Salisbury, M.H., 1996, Seismic properties of rock samples from the Pikwitonei granulite belt - God's lake domain crustal cross section, Manitoba, Can J Earth Sci, 33(5): 757-768. SUPERIOR PROVINCE; KAPUSKASING UPLIFT; CONTINENTAL-CRUST; LABORATORY MEASUREMENTS; EVOLUTION; CANADA; VELOCITY; CONSTRAINTS; SYSTEMATICS; REFRACTION, Article DM Fountain, Univ Wyoming, Dept Geol & Geophys, Laramie, WY 82071 USA

Francis, P., 1996, Volcanoes - Dangers hang over dependency, Nature, 383(6595): 28. Editorial P Francis, Open Univ, Dept Earth Sci, Walton Hall, Milton Keynes MK7 6AA, Bucks, England

Francis, P.W., 1996, Music of the earth: Volcanoes, earthquakes, and other geological wonders, by R.L. Morton, Nature, 382(6590): 414. Book Review PW Francis, Open Univ, Dept Earth Sci, Walton Hall, Milton Keynes MK7 6AA, Bucks, England

Franz, L., Brey, G.P., and Okrusch, M., 1996, Reequilibration of ultramafic xenoliths from Namibia by metasomatic processes at the mantle boundary, J Geol, 104(5): 599-615. 4-PHASE LHERZOLITES; ISOTOPIC EVIDENCE; ORTHO-PYROXENE; HIGH-PRESSURE; 60 KB; GARNET; OLIVINE; GEOTHERMOBAROMETRY; AFRICAN; FE, Article L Franz, Geoforschungszentrum Potsdam, Telegrafenberg, D-14473 Potsdam, Germany

Fretzdorff, S., Haase, K.M., and Garbeschonberg, C.D., 1996, Petrogenesis of lavas from the Umu Volcanic Field in the young Hotspot Region west of Easter island, southeastern Pacific, Lithos, 38(1-2): 23-40. MICROPLATE EVOLUTION; SOUTH-PACIFIC; MANTLE; RIDGE; GEOCHEMISTRY; PETROLOGY; ELEMENT; ORIGIN; EARTH; CRUST, Article S Fretzdorff, Christian Albrechts Univ Kiel, Inst Geol Palaontol, Olshausenstr 40, D-24118 Kiel, Germany

Frey, F.A., and Weis, D., 1996, Temporal evolution of the Kerguelen plume: Geochemical evidence from approximate to 38 to 82 Ma lavas forming the Ninetyeast Ridge - Reply, Contrib Mineral Petrol, 124(1): 104-110. INDIAN-OCEAN; TRACE-ELEMENT; MANTLE PLUME; CONSTRAINTS; PETROLOGY; BASALTS; HAWAII; ORIGIN, Article FA Frey, Mit, Dept Earth Atmospher & Planetary Sci, 54-1226, Cambridge, MA 02139 USA

Friend, C.R.L., Nutman, A.P., Baadsgaard, H., Kinny, P.D., and Mcgregor, V.R., 1996, Timing of late Archaean terrane assembly, crustal thickening and granite emplacement in the Nuuk region, southern West Greenland, Earth Planet Sci Lett, 142(3-4): 353-365. Archean; terranes; granites; West Greenland; ARCHEAN GNEISS COMPLEX; U-PB ZIRCON; ISOTOPIC EVIDENCE; GEOCHRONOLOGY; EVOLUTION; GODTHABSFJORD; BUKSEFJORDEN; ANATOMY; NAPPES; FACIES, Article CRL Friend, Oxford Brookes Univ, Dept Geol, Oxford OX3 0BP, Oxon, England

Frimmel, H.E., Klotzli, U.S., and Siegfried, P.R., 1996, New Pb-Pb single zircon age constraints on the timing of Neoproterozoic glaciation and continental break-up in Namibia, J Geol, 104(4): 459-469. AFRICA; SOUTHERN; EARTH, Article HE Frimmel, Univ Cape Town, Dept Geol Sci, Rondebosch 7700, South Africa

Funck, T., Dickmann, T., Rihm, R., Krastel, S., Lykkeandersen, H., and Schmincke, H.U., 1996, Reflection seismic investigations in the volcaniclastic apron of Gran Canaria and implications for its volcanic evolution, Geophysical Journal International, 125(2): 519-536. Canary Islands; seismic reflection; volcanic activity; K-AR DATA; ACCRETIONARY COMPLEX; ISLANDS; RIDGE,

Gansecki, C.A., Mahood, G.A., and Mcwilliams, M.O., 1996, Ar-40/Ar-39 geochronology of rhyolites erupted following collapse of the Yellowstone caldera, Yellowstone Plateau volcanic field: Implications for crustal contamination, Earth Planet Sci Lett, 142(1-2): 91-107. Snake River Plain; rhyolites; absolute age; Ar-40/Ar-39; laser methods; magma contamination; EXCESS AR-40; DIFFUSION; ROCKS; AGES; FELDSPARS; FRANCE; TEPHRA; MEXICO; MAGMA, Article CA Gansecki, Stanford Univ, Dept Geog & Environm Sci, Stanford, CA 94305 USA

Garcia, M.O., Foss, D.J.P., West, H.B., and Mahoney, J.J., 1996, Geochemical and isotopic evolution of Loihi Volcano, Hawaii (vol 36, pg 1647, 1995), J Petrol, 37(3): 729. Correction

Gasparik, T., 1996, Melting experiments on the enstatite-diopside join at 70-224 kbar, including the melting of diopside, Contrib Mineral Petrol, 124(2): 139-153. SYSTEM CAO-MGO-AL2O3-SIO2; PERIDOTITE KLB-1; TRANSITION ZONE; PHASE-RELATIONS; UPPER MANTLE; 16.5 GPA; PRESSURE; MAJORITE; GARNET; STABILITY, Article T Gasparik, SUNY Stony Brook, Dept Earth & Space Sci, Ctr High Pressure Res, Stony Brook, NY 11794 USA

Gathania, R.C., 1996, Occurrence of Ultramafics of Komatiitic affinity in the Rikhabdev-Dungarpur belt, Udaipur and Dungarpur districts, Rajasthan - Reply, J Geol Soc India, 48(3): 362. Editorial RC Gathania, Geol Survey India, Jaipur 302004, Rajasthan, India

Gee, J., and Nakanishi, M., 1995, Magnetic petrology and magnetic properties of western Pacific guyots: implications for seamount paleopoles, in J.A. Haggerty, Premoli Silva, I. Rack, F., and McNutt, M.K. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, 144: 615-630, Ocean Drilling Program, Colege Station, Texas.

Geisslinger, A., Hirschleber, H.B., Schnaubelt, M., Danobeitia, J.J., and Gallart, J., 1996, Mapping of volcanic apron and the upper crust between Gran Canaria and Tenerife (Canary Islands) with seismic reflection profiling, Geo - Marine Letters, 16(2): 57-64. EVOLUTION; ATLANTIC; MANTLE,

Gibson, S.A., Thompson, R.N., Dickin, A.P., and Leonardos, O.H., 1996, High-Ti and low-Ti mafic potassic magmas: Key to plume-lithosphere interactions and continental flood-basalt genesis (vol 136, pg 149, 1995), Earth Planet Sci Lett, 141(1-4): 325-341. flood basalts; mantle plumes; lithosphere; mafic magmas; Gondwana; provinciality; South America; MANTLE PLUMES; ISOTOPE EVIDENCE; SOUTHERN BRAZIL; PB ISOTOPE; SR; GEOCHEMISTRY; EVOLUTION; PROVINCE; ND; PETROGENESIS, Correction SA Gibson, Univ Durham, Dept Geol Sci, Durham DH1 3LE, England

Gilder, S.A., Gill, J., Coe, R.S., Zhao, X.X., Liu, Z.W., Wang, G.X., Yuan, K.R., Liu, W.L., Kuang, G.D., and Wu, H.R., 1996, Isotopic and paleomagnetic constraints on the Mesozoic tectonic evolution of south China, J Geophys Res-Solid Earth, 101(B7): 16137-16154. WESTERN UNITED-STATES; SOUTHEASTERN AUSTRALIA; SOUTHWESTERN SICHUAN; SEDIMENTARY-ROCKS; CRUSTAL STRUCTURE; TERTIARY GRANITE; S-TYPE; ND; ORIGIN; BLOCK, Article SA Gilder, Inst Phys Globe, Lab Paleomagnetisme & Geodynam, Ura 729, 4 Pl Jussieu, F-75252 Paris 05, France

Gillard, D., Wyss, M., and Okubo, P., 1996, Type of faulting and orientation of stress and strain as a function of space and time in Kilauea's south flank, Hawaii, J Geophys Res-Solid Earth, 101(B7): 16025-16042. FOCAL MECHANISM DATA; SAN-ANDREAS FAULT; ACCRETIONARY WEDGES; PLANE SOLUTIONS; THRUST BELTS; LOMA-PRIETA; EARTHQUAKE; MODEL; CALIFORNIA; BENEATH, Article D Gillard, Princeton Univ, Dept Geol Sci, Guyot Hall, Princeton, NJ 08544 USA

Gioan, P., Rasendrasoa, J., Bardintzeff, J.M., and Rasamimanana, G., 1996, New structural and petrographic data on the magmatism south of the Morondava basin (southwestern Madagascar), J Afr Earth Sci, 22(4): 597-608. VOLCANIC-ROCKS; CLASSIFICATION; MALAGASY; RIFT, Article P Gioan, Rue Louis Rippert, F-38710 Mens, France

Gischler, E., 1996, Late Devonian early Carboniferous deep-water coral assemblages and sedimentation on a Devonian seamount: Iberg reef, Harz Mts, Germany, Palaeogeogr Palaeoclimatol, 123(1-4): 297-322. MUD-MOUNDS; MISSISSIPPIAN; CARBONATE; EXTINCTION; BUILDUPS; BIOHERMS; RECORD; EVENT; BANK, Article E Gischler, Univ Tubingen, Inst Geol & Palaeontol, Sigwartstr 10, D-72076 Tubingen, Germany

Glazner, A.F., Bartley, J.M., and Ingersoll, R.V., 1996, Collapse of southwestern North America and the evolution of early Miocene detachment faults, metamorphic core complexes, the Sierra Nevada orocline, and the San Andreas fault system - Comment, Geology, 24(9): 858-859. UNITED-STATES; MOJAVE DESERT; SOUTHERN-CALIFORNIA; EXTENSION; ROTATION; BARSTOW, Article AF Glazner, Univ N Carolina, Dept Geol, CB 3315, Chapel Hill, NC 27599 USA

Goff, F., 1996, Vesicle cylinders in vapor-differentiated basalt flows, J Volcanol Geotherm Res, 71(2-4): 167-185. FE-TI OXIDES; EQUILIBRIUM; OLIVINE, Article F Goff, Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA

Gracia, E., Tisseau, C., Maia, M., Tonnerre, T., Auzende, J.M., and Lagabrielle, Y., 1996, Variability of the axial morphology and of the gravity structure along the central spreading ridge (North Fiji Basin): Evidence for contrasting thermal regimes, Mar Geophys Res, 18(2-4): 249-273. back-arc basin; spreading center; axial morphology; Mantle Bouguer Anomaly; segmentation; thermal modelling; MID-ATLANTIC RIDGE; EAST PACIFIC RISE; ACCRETING PLATE BOUNDARIES; SOUTHWEST PACIFIC; MIDOCEAN RIDGES; TRIPLE JUNCTION; 3-DIMENSIONAL ANALYSIS; MAGMATIC ACCRETION; OCEAN RIDGES; RIFT-VALLEY, Article E Gracia, Univ Bretagne Occidentale, CNRS Ura 1278 Domaines Ocean, 6 AV Le Gorgeu, BP 452, F-29275 Brest, France

Gracia, E., Canals, M., Farran, M.L., Prieto, M.J., Sorribas, J., and Team, G., 1996, Morphostructure and evolution of the Central and Eastern Bransfield Basins (NW Antarctic Peninsula), Mar Geophys Res, 18(2-4): 429-448. back-are basin; incipient seafloor spreading; rifting; swath bathymetry; morphostructure; seismic reflection; Bransfield Basin; SOUTH-SHETLAND ISLANDS; STRAIT; SEA, Article E Gracia, Univ Barcelona, Dept Geol Dinam Geofis & Paleontol, Grq Geociencies Marines, E-08028 Barcelona, Spain

Grand, S.P., and Vidale, J.E., 1996, The 410-km-depth discontinuity: A sharpness estimate from near-critical reflections - Reply, Geophys Res Lett, 23(18): 2575. UPPER MANTLE, Editorial SP Grand, Univ Texas, Dept Geol Sci, Austin, TX 78712 USA

Gratz, A.J., Fisler, D.K., and Bohor, B.F., 1996, Distinguishing shocked from tectonically deformed quartz by the use of the SEM and chemical etching, Earth Planet Sci Lett, 142(3-4): 513-521. scanning electron microscopy; etching; quartz; deformation; shock metamorphism; CRETACEOUS-TERTIARY BOUNDARY; VOLCANIC EJECTA; TOBA CALDERA; DYNAMIC DEFORMATION; POSSIBLE RELEVANCE; METAMORPHISM; SITE, Article DK Fisler, Sandia Natl Labs, Dept Geochem, Albuquerque, NM 87123 USA

Gregg, T.K.P., and Fink, J.H., 1996, Quantification of extraterrestrial lava flow effusion rates through laboratory simulations, J Geophys Res-Planets, 101(E7): 16891-16900. MAGELLAN DATA; RHEOLOGICAL PROPERTIES; ANALOG EXPERIMENTS; VENUS VOLCANISM; MORPHOLOGY; CLASSIFICATION; TEMPERATURES; EMPLACEMENT; PREDICTIONS; GROWTH, Article TKP Gregg, Woods Hole Oceanog Inst, Dept Geol & Geophys, Woods Hole, MA 02543 USA

Gresillaud, A., and Cara, M., 1996, Anisotropy and P-wave tomography: A new approach for inverting teleseismic data from a dense array of stations, Geophys J Int, 126(1): 77-91. anisotropy; inversion; lithosphere; P waves; tomography; traveltime; TRAVEL-TIME; VELOCITY ANISOTROPY; SEISMIC ANISOTROPY; UPPER MANTLE; LITHOSPHERE; MEDIA; MODELS, Article A Gresillaud, Inst Phys Globe, Sismol Lab, 5 Rue R Descartes, F-67084 Strasbourg, France

Grevemeyer, I., 1996, Hotspot-ridge interaction in the Indian Ocean: Constraints from Geosat/ERM altimetry, Geophys J Int, 126(3): 796-804. asthenosphere; hotspots; mid-ocean ridges; satellite geodesy; GEOID ANOMALIES; MANTLE CONVECTION; DEPTH ANOMALIES; AGULHAS PLATEAU; PACIFIC-OCEAN; ATLANTIC; EVOLUTION; BENEATH; SWELLS; AGE, Article I Grevemeyer, Univ Hamburg, Inst Geophys, Zentrum Meeres & Klimaforsch, D-20146 Hamburg, Germany

Gribble, R.F., Stern, R.J., Bloomer, S.H., Stuben, D., Ohearn, T., and Newman, S., 1996, MORB mantle and subduction components interact to generate basalts in the southern Mariana Trough back-arc basin, Geochim Cosmochim Acta, 60(12): 2153-2166. ISLAND-ARC; NORTHERN MARIANA; VOLCANIC-ROCKS; ISOTOPIC COMPOSITION; MARGINAL BASINS; WESTERN PACIFIC; MIDOCEAN RIDGES; PHILIPPINE SEA; ZONE MAGMATISM; TRACE-ELEMENT, Article RF Gribble, Univ Texas, Ctr Lithospher Studies, POB 830688, Richardson, TX 75083 USA

Griffin, W.L., and Ryan, C.G., 1996, An experimental calibration of the ''nickel in garnet'' geothermometer with applications - Discussion, Contrib Mineral Petrol, 124(2): 216-218. TRACE-ELEMENTS; DIAMOND; EXPLORATION; LITHOSPHERE; MICROPROBE; OLIVINE, Editorial WL Griffin, CSIRO, POB 136, N Ryde, NSW 2113, Australia

Gubbins, D., and Kelly, P., 1996, A difficulty with using the frozen flux hypothesis to find steady core motions, Geophys Res Lett, 23(14): 1825-1828. MAGNETIC-FIELD; SURFACE; FLOW, Article D Gubbins, Univ Leeds, Dept Earth Sci, Leeds LS2 9JT, W Yorkshire, England

Gudmundsson, A., Bergerat, F., and Angelier, J., 1996, Off-rift and rift-zone palaeostresses in northwest Iceland, Tectonophysics, 255(3-4): 211-228. SOUTHWEST ICELAND; REGIONAL STRESS; TECTONICS; FAULTS,

Guo, J.F., Oreilly, S.Y., and Griffin, W.L., 1996, Zircon inclusions in corundum megacrysts .1. Trace element geochemistry and clues to the origin of corundum megacrysts in alkali basalts, Geochim Cosmochim Acta, 60(13): 2347-2363. RARE-EARTH ELEMENTS; PARTITION-COEFFICIENTS; HIGH-PRESSURE; UPPER MANTLE; REE; PATTERNS; LIQUIDS; ROCKS; CLINOPYROXENE; ANORTHOCLASE, Article JF Guo, Macquarie Univ, Sch Earth Sci, Key Ctr Geochem Evolut &, Metallogeny Continents, Sydney, NSW 2109, Australia

Gvirtzman, G., Weissbrod, T., Baer, G., and Brenner, G.J., 1996, The age of the Aptian Stage and its magnetic events: New Ar-Ar ages and palaeomagnetic data from the Negev, Israel, Cretaceous Res, 17(3): 293-310. Cretaceous; Aptian; magnetostratigraphy; Ar-Ar dating; biostratigraphy; palynology; angiosperm evolution; tricolpate palynomorphs; ISEA reverse polarity subchron; Cretaceous Normal Polarity Superchron; PELAGIC CARBONATE ROCKS; PALEOMAGNETIC DATA; SOUTHERN ISRAEL; MAGMATIC ROCKS; K-AR; STRATIGRAPHY; EGYPT; RECONSTRUCTION; PALYNOLOGY; SEQUENCE, Article G Gvirtzman, Geol Survey Israel, 30 Malkhe Yisrael St, IL-95501 Jerusalem, Israel

Gwalani, L.G., Ramasamy, R., Patel, S.C., and Sangurmath, P., 1996, A report on the workshop on alkaline magmatism: Xth Convention of Indian Geological Congress, Dhanbadd, J Geol Soc India, 48(2): 227-228. Editorial LG Gwalani, Nagpur Univ, Dept Geol, Nagpur, Maharashtra, India

Haack, H., Scott, E.R.D., and Rasmussen, K.L., 1996, Thermal and shock history of mesosiderites and their large parent asteroid, Geochim Cosmochim Acta, 60(14): 2609-2619. COOLING RATE DETERMINATIONS; STONY-IRON METEORITES; NI PHASE-DIAGRAM; FE-NI; ORDINARY CHONDRITES; RB-SR; U-PB; PETROGENESIS; TEMPERATURES; METAMORPHISM, Article H Haack, Odense Univ, Dept Phys, Campusvej 55, DK-5230 Odense, Denmark

Haase, K.M., Devey, C.W., and Goldstein, S.L., 1996, Two-way exchange between the Easter mantle plume and the Easter microplate spreading axis, Nature, 382(6589): 344-346. TECTONIC EVOLUTION; SOUTHEAST PACIFIC; ISLAND; MODEL; OCEAN; RATES, Article KM Haase, Christian Albrechts Univ Kiel, Inst Geol Palaontol, Olshausenstr 40, D-24118 Kiel, Germany

Hall, L.S., and Sinton, J.M., 1996, Geochemical diversity of the large lava field on the flank of the East Pacific Rise at 8 degrees 17'S, Earth Planet Sci Lett, 142(1-2): 241-251. East Pacific Rise; mid-ocean ridge basalts; vents; geochemistry; MIDOCEAN RIDGE CREST; UPPER-MANTLE; SEAMOUNTS; HETEROGENEITY; BASALTS; ISOTOPE; SCALE, Article LS Hall, Univ Hawaii, Sch Ocean & Earth Sci & Technol, Dept Geol & Geophys, Honolulu, HI 96822 USA

Halliday, A., Rehkamper, M., Lee, D.C., and Yi, W., 1996, Early evolution of the Earth and Moon: New constraints from Hf-W isotope geochemistry, Earth Planet Sci Lett, 142(1-2): 75-89. Earth-Moon couple; differentiation; geochemistry; hafnium; tungsten; U/Pb; IMPACT HYPOTHESIS; CORE FORMATION; UPPER-MANTLE; SM-ND; AGE; SYSTEMATICS; ORIGIN; CRUST; VOLATILE; PB, Article A Halliday, Univ Michigan, Dept Geol Sci, 1006 CC Little Bldg, Ann Arbor, MI 48109 USA

Hapke, B., 1996, A model of radiative and conductive energy transfer in planetary regoliths, J Geophys Res-Planets, 101(E7): 16817-16831. EMISSION; SURFACES; SPECTRA, Article B Hapke, Univ Pittsburgh, Dept Geol & Planetary Sci, 321 Old Engn Hall, Pittsburgh, PA 15260 USA

Hapke, B., 1996, Applications of an energy transfer model to three problems in planetary regoliths: The solid state greenhouse, thermal beaming, and emittance spectra, J Geophys Res-Planets, 101(E7): 16833-16840. SURFACES, Article B Hapke, Univ Pittsburgh, Dept Geol & Planetary Sci, 321 Old Engn Hall, Pittsburgh, PA 15260 USA

Harper, C.L., and Jacobsen, S.B., 1996, Noble gases and Earth's accretion, Science, 273(5283): 1814-1818. ARGON ISOTOPIC VARIATIONS; HIGH-HE-3 PLUME ORIGIN; PILLOW BASALT GLASSES; UPPER-MANTLE; RARE-GASES; CARBONACEOUS CHONDRITES; PRESOLAR DIAMONDS; SOLAR COMPONENT; TRAPPED HELIUM; NEON ISOTOPES, Article CL Harper, Harvard Univ, Harvard Ctr Isotope Geochem, Dept Earth & Planetary Sci, 20 Oxford St, Cambridge, MA 02138 USA

Hauri, E.H., 1996, Major-element variability in the Hawaiian mantle plume, Nature, 382(6590): 415-419. INTERSHIELD GEOCHEMICAL DIFFERENCES; HELIUM ISOTOPIC VARIATIONS; MAUNA-KEA VOLCANO; TRACE-ELEMENT; PERIDOTITE XENOLITHS; HALEAKALA VOLCANO; LOIHI SEAMOUNT; PARTITION-COEFFICIENTS; MAGMATIC PROCESSES; ALKALIC BASALTS, Article EH Hauri, Carnegie Inst Washington, Dept Terr Magnetism, 5241 Broad Branch Rd NW, Washington, DC 20015 USA

He, X., and Tromp, J., 1996, Normal-mode constraints on the structure of the Earth, J Geophys Res-Solid Earth, 101(B9): 20053-20082. INNER-CORE ANISOTROPY; PERIOD NORMAL-MODES; FREE-OSCILLATIONS; ASPHERICAL STRUCTURE; MULTIPLETS; ATTENUATION; PARAMETERS; BOLIVIA; MANTLE, Article X He, Harvard Univ, Dept Earth & Planetary Sci, 20 Oxford St, Cambridge, MA 02138 USA

Hebert, H., Deplus, C., and Diament, M., 1996, Origin of the 90E Ridge and the Investigator Ridge deduced from the analysis of bathymetric and gravimetric data, C R Acad Sci Ser II A, 323(2): 105-112. 90E ridge; investigator ridge; fracture zones; wharton basin; oceanic lithosphere; mechanical behaviour; EASTERN INDIAN-OCEAN; CONSTRAINTS; DEFORMATION; EVOLUTION; PLATE; ZONE, Article H Hebert, Inst Phys Globe, Lab Gravimetrie & Geodynam JE335, 4 Pl Jussieu, Case 89, F-75252 Paris 05, France

Heimpel, M., and Olson, P., 1996, A seismodynamical model of lithosphere deformation: Development of continental and oceanic rift networks, J Geophys Res-Solid Earth, 101(B7): 16155-16176. OVERLAPPING SPREADING CENTERS; SOUTH-ATLANTIC OCEAN; SAN-ANDREAS FAULT; EAST PACIFIC RISE; PROPAGATING RIFTS; MAJOR FAULTS; EARTHQUAKES; TECTONICS; EVOLUTION; ZONE, Article M Heimpel, Univ Gottingen, Inst Geophys, Herzberger Landstr 180, D-37075 Gottingen, Germany

Heller, P.L., Anderson, D.L., and Angevine, C.L., 1996, Is the middle Cretaceous pulse of rapid sea-floor spreading real or necessary?, Geology, 24(6): 491-494.

Hemley, R.J., and Cohen, R.E., 1996, Structure and bonding in the deep mantle and core, Phil Trans Roy Soc London A, 354(1711): 1461-1479. PLANE-WAVE CALCULATIONS; INDUCED-BREATHING MODEL; HIGH-PRESSURE; ELECTRONIC-STRUCTURE; SILICATE PEROVSKITE; MGSIO3 PEROVSKITE; MGO; CAO; STISHOVITE; STABILITY, Article RJ Hemley, Carnegie Inst Washington, Geophys Lab, 5251 Broad Branch Rd NW, Washington, DC 20005 USA

Hemming, S.R., Mcdaniel, D.K., Mclennan, S.M., and Hanson, G.N., 1996, Pb isotope constraints on the provenance and diagenesis of detrital feldspars from the Sudbury Basin, Canada, Earth Planet Sci Lett, 142(3-4): 501-512. Sudbury Basin; Chelmsford Formation; Pb-206/Pb-204; Pb-207/Pb-206; feldspar group; PROTEROZOIC CHELMSFORD FORMATION; ABITIBI GREENSTONE-BELT; GULF-COAST; LEAD; ONTARIO; ND; ROCKS; PROVINCE; GEOCHRONOLOGY; ALBITIZATION, Article SR Hemming, Lamont Doherty Earth Observ, Palisades, NY 10964 USA

Henriksson, A.S., 1996, Calcareous nannoplankton productivity and succession across the Cretaceous-Tertiary boundary in the Pacific (DSDP site 465) and Atlantic (DSDP site 527) Oceans, Cretaceous Res, 17(4): 451-477. nannoplankton; nannofossils; coccoliths; Cretaceous; Cretaceous-Tertiary boundary; accumulation rates; productivity; extinction; PROJECT LEG 74; BENTHIC FORAMINIFERA; EQUATORIAL PACIFIC; MASS EXTINCTIONS; WALVIS RIDGE; NANNOFOSSIL; SEDIMENTS; RECORD; EVENTS, Article AS Henriksson, Uppsala Univ, Inst Earth Sci, Norbyvagen 22, S-75236 Uppsala, Sweden

Hess, K.U., Dingwell, D.B., and Rossler, E., 1996, Parametrization of viscosity-temperature relations of aluminosilicate melts, Chem Geol, 128(1-4): 155-163. SUPERCOOLED LIQUIDS; GLASS-TRANSITION, Article KU Hess, Univ Bayreuth, Bayer Geoinst, D-95440 Bayreuth, Germany

Hess, P.C., 1996, Upper and lower critical points: Thermodynamic constraints on the solution properties of silicate melts, Geochim Cosmochim Acta, 60(13): 2365-2377. GLASSES; MODEL; CAO-AL2O3-SIO2; SYSTEMS; LIQUID; FLUIDS, Article PC Hess, Brown Univ, Dept Geol Sci, Providence, RI 02912 USA

Heymann, D., Korochantsev, A., Nazarov, M.A., and Smit, J., 1996, Search for fullerenes C-60 and C-70 in Cretaceous-Tertiary boundary sediments from Turkmenistan, Kazakhstan, Georgia, Austria, and Denmark, Cretaceous Res, 17(3): 367-380. fullerenes; Cretaceous-Tertiary boundary; wildfires; Chicxulub event; NEW-ZEALAND; IMPACT CRATER; K/T BOUNDARY; BUCKMINSTERFULLERENE; CARBON; C60; GEOCHEMISTRY; EXTINCTION; ISOTOPES; IRIDIUM, Article D Heymann, Rice Univ, Dept Geol & Geophys, Houston, TX 77251 USA

Hillgren, V.J., Drake, M.J., and Rubie, D.C., 1996, High pressure and high temperature metal-silicate partitioning of siderophile elements: The importance of silicate liquid composition, Geochim Cosmochim Acta, 60(12): 2257-2263. CORE FORMATION; EARTH; COEFFICIENTS; ACCRETION; MANTLE; MELTS; GPA; COORDINATION; PERIDOTITE; HISTORY, Article VJ Hillgren, Max Planck Inst Chem, Postfach 3060, D-55020 Mainz, Germany

Hilton, D.R., 1996, The helium and carbon isotope systematics of a continental geothermal system: Results from monitoring studies at Long Valley caldera (California, USA), Chem Geol, 127(4): 269-295. WESTERN UNITED-STATES; VOLCANIC GASES; EASTERN CALIFORNIA; FRACTIONATION; SOLUBILITY; BASALTS; VOLATILES; XENOLITHS; VESICLES; DIOXIDE, Article DR Hilton, Univ Calif San Diego, Scripps Inst Oceanog, Isotope Lab 0220, La Jolla, CA 92093 USA

Hirschmann, M.M., and Stolper, E.M., 1996, A possible role for garnet pyroxenite in the origin of the ''garnet signature'' in MORB, Contrib Mineral Petrol, 124(2): 185-208. EAST PACIFIC RISE; MIDOCEAN RIDGE BASALTS; OCEANIC UPPER MANTLE; MARBLE-CAKE MANTLE; TRACE-ELEMENTS; PHASE-RELATIONS; TH-230-U-238 DISEQUILIBRIUM; BALMUCCIA PERIDOTITE; U-238 TH-230-RA-226; ABYSSAL PERIDOTITES, Review MM Hirschmann, Univ N Carolina, Dept Geol, CB 3315, Chapel Hill, NC 27599 USA

Holtz, F., Beny, J.M., Mysen, B.O., and Pichavant, M., 1996, High-temperature Raman spectroscopy of silicate and aluminosilicate hydrous glasses: Implications for water speciation, Chem Geol, 128(1-4): 25-39. MELTS; SPECTRA; NMR, Article F Holtz, CNRS, Ctr Rech Synth & Chim Mineraux, 1A Rue Ferollerie, F-45071 Orleans, France

Honda, S., 1996, Local Rayleigh and Nusselt numbers for Cartesian convection with temperature-dependent viscosity, Geophys Res Lett, 23(18): 2445-2448. HEAT-TRANSPORT, Article S Honda, Hiroshima Univ, Dept Earth & Planet Syst Sci, Higashihiroshima 739, Japan

Honma, H., 1996, High ammonium contents in the 3800 Ma Isua supracrustal rocks, central West Greenland, Geochim Cosmochim Acta, 60(12): 2173-2178. PRECAMBRIAN ROCKS; METAMORPHIC ROCKS; ISOTOPE RATIOS; SM-ND; NITROGEN; HISTORY; CARBON; EVOLUTION; SEDIMENTS; BASALTS, Article H Honma, Okayama Univ, Inst Study Earths Interior, Misasa, Tottori 68201, Japan

Honsho, C., Tamaki, K., and Fujimoto, H., 1996, Three-dimensional magnetic and gravity studies of the Rodriguez Triple Junction in the Indian Ocean, J Geophys Res-Solid Earth, 101(B7): 15837-15848. EAST PACIFIC RISE; PROPAGATING RIFT; TIME-SCALE; EVOLUTION; INVERSION; FIELD; DISCONTINUITIES; SYSTEM; PLATE, Article C Honsho, Univ Tokyo, Ocean Res Inst, Nakano Ku, 15-1, 1 Chome, Minamidai, Tokyo 164, Japan

Hooft, E.E.E., Schouten, H., and Detrick, R.S., 1996, Constraining crustal emplacement processes from the variation in seismic layer 2A thickness at the East Pacific Rise, Earth Planet Sci Lett, 142(3-4): 289-309. East Pacific Rise; emplacement; dikes; oceanic crust models; UPPER OCEANIC-CRUST; BOTTOM MAGNETIC-ANOMALIES; SPREAD PROFILES; MIDOCEAN RIDGE; CROSS-SECTION; HESS DEEP; SEGMENTATION; MODEL; 9-DEGREES-30'N; 13-DEGREES-N, Article EEE Hooft, Mit, Woods Hole Oceanog Inst, Joint Program Oceanog, Woods Hole, MA 02543 USA

Hopkinson, L., and Roberts, S., 1996, Fluid evolution during tectonic exhumation of oceanic crust at a slow-spreading paleoridge axis: Evidence from the Lizard ophiolite UK, Earth Planet Sci Lett, 141(1-4): 125-136. Lizard ophiolite; Devonian; exhumation; fluid inclusions; microthermometry; P-T conditions; MID-ATLANTIC RIDGE; FLOOR HYDROTHERMAL MINERALIZATION; EAST PACIFIC RISE; SALINITY VARIATIONS; SAMAIL OPHIOLITE; SYSTEMS; TEMPERATURE; INCLUSIONS; QUARTZ; SEAWATER, Article L Hopkinson, Univ Southampton, Dept Geol, Southampton Oceanog Ctr, European Way, Empress Dock, Southampton SO14 3ZH, Hants, England

Hopper, J.R., and Buck, W.R., 1996, The effect of lower crustal flow on continental extension and passive margin formation., J Geophys Res-Solid Earth, 101(B9): 20175-20194. TEMPERATURE-DEPENDENT RHEOLOGY; LITHOSPHERIC EXTENSION; HEAT-FLOW; CONJUGATE MARGINS; BAIKAL RIFT; RED-SEA; MODEL; DEFORMATION; CONSTRAINTS; EVOLUTION, Article WR Buck, Danish Lithosphere Ctr, Oster Voldgade 10, DK-1350 Copenhagen K, Denmark

Hsu, S.K., Sibuet, J.C., Monti, S., Shyu, C.T., and Liu, C.S., 1996, Transition between the Okinawa trough backarc extension and the Taiwan collision: New insights on the southernmost Ryukyu subduction zone, Mar Geophys Res, 18(2-4): 163-187. arc-arc collision; backarc extension; along-axis propagating trench; trench segmentation; Gagua ridge; Luzon arc; Taiwan; Okinawa trough; PLATE CONVERGENCE; FOCAL MECHANISMS; ARC BASIN; PHILIPPINES; EVOLUTION; TECTONICS; ORIGIN; SEA, Article SK Hsu, Ifremer, Ctr Brest, BP 70, F-29280 Plouzane, France

Huss, G.R., Lewis, R.S., and Hemkin, S., 1996, The ''normal planetary'' noble gas component in primitive chondrites: Compositions, carrier, and metamorphic history, Geochim Cosmochim Acta, 60(17): 3311-3340. CARBONACEOUS CHONDRITES; ISOTOPIC ANOMALIES; LABORATORY SIMULATION; INTERSTELLAR GRAINS; CHEMICAL FRACTIONATIONS; PRESOLAR DIAMONDS; SILICON-CARBIDE; TRACE-ELEMENTS; LL-CHONDRITES; C3 CHONDRITES, Article GR Huss, Caltech, Div Geol & Planetary Sci, 17025, Pasadena, CA 91125 USA

Immenhauser, A., 1996, Cretaceous sedimentary rocks on the Masirah Ophiolite (Sultanate of Oman): Evidence for an unusual bathymetric history, J Geol Soc, 153( Part 4): 539-551. Oman; sedimentary rocks; ophiolite; bathymetry; transform faults; FRACTURE-ZONE; EQUATORIAL ATLANTIC; OCEAN-FLOOR; AGE; RADIOLARITES; DEPTH; TECTONICS; MODEL; BASIN; RIFT, Article A Immenhauser, Univ Bern, Mineral Petrograph Inst, Baltzerstr 1, CH-3012 Bern, Switzerland

Irifune, T., and Kesson, S.E., 1996, In memory of A.E. Ringwood (Ted) 1930-1993 - Preface, Phys Earth Planet Interiors, 96(2-3): 77-78. Editorial T Irifune, Ehime Univ, Dept Earth Sci, Matsuyama, Ehime 790, Japan

Irifune, T., Koizumi, T., and Ando, J.I., 1996, An experimental study of the garnet-perovskite transformation in the system MgSiO3-Mg3Al2Si3O12, Phys Earth Planet Interiors, 96(2-3): 147-157. EARTHS LOWER MANTLE; HIGH-PRESSURE FORM; PHASE-TRANSFORMATIONS; POSSIBLE HOST; TEMPERATURES; MG2SIO4-FE2SIO4; MINERALOGY; ENSTATITE; CHEMISTRY; ALUMINUM, Article T Irifune, Ehime Univ, Dept Earth Sci, Matsuyama, Ehime 790, Japan

Ivanov, M.A., and Head, J.W., 1996, Tessera terrain on Venus: A survey of the global distribution, characteristics, and relation to surrounding units from Magellan data, J Geophys Res-Planets, 101(E6): 14861-14908. WESTERN EISTLA REGIO; EXTENSIONAL COLLAPSE; THERMAL EVOLUTION; ISHTAR-TERRA; BETA-REGIO; TECTONICS; DEFORMATION; CONVERGENCE; PREDICTION; MECHANICS, Review MA Ivanov, Brown Univ, Dept Geol Sci, Box 1846, Providence, RI 02912 USA

Jackson, I., and Rigden, S.M., 1996, Analysis of P-V-T data: Constraints on the thermoelastic properties of high-pressure minerals, Phys Earth Planet Interiors, 96(2-3): 85-112. X-RAY-DIFFRACTION; LOWER MANTLE; MGSIO3 PEROVSKITE; ELASTIC PROPERTIES; THERMAL EXPANSIVITY; SILICATE PEROVSKITE; EARTHS MANTLE; STATE; EQUATION; VELOCITIES, Article I Jackson, Australian Natl Univ, Res Sch Earth Sci, Canberra, Act 0200, Australia

Jakni, B., Dautria, J.M., Liotard, J.M., and Briqueu, L., 1996, Evidence for the presence of a carbonated mantle beneath Bas-Languedoc (South France): The peridotitic xenoliths from the volcanic complex of Grand-Magnon (Lodeve region), C R Acad Sci Ser II A, 323(1): 33-40. upper mantle; carbonated metasomatism; Bas-Languedoc; OLIVINE; SPINEL; GEOTHERMOMETRY; METASOMATISM, Article B Jakni, Univ Montpellier 2, Dept Sci Terre, Pl E Bataillon, F-34095 Montpellier 5, France

James, P.B., Bell, J.F., Clancy, R.T., Lee, S.W., Martin, L.J., and Wolff, M.J., 1996, Global imaging of Mars by Hubble space telescope during the 1995 opposition, J Geophys Res-Planets, 101(E8): 18883-18890. CIRCULATION; ATMOSPHERE; BEHAVIOR; CLOUDS; HAZES; ICE, Article PB James, Univ Toledo, Dept Phys & Astron, Toledo, OH 43606 USA

James, D.E., and Assumpcao, M., 1996, Tectonic implications of S-wave anisotropy beneath SE Brazil, Geophys J Int, 126(1): 1-10. anisotropy; Brazil; Gondwana; hotspots; lithospheric deformation; shear-wave splitting; AZIMUTHAL ANISOTROPY; SEISMIC ANISOTROPY; EVOLUTION; LITHOSPHERE; MANTLE; SKS, Article DE James, Carnegie Inst Washington, Dept Terr Magnetism, 5241 Broad Branch Rd NW, Washington, DC 20015 USA

Jeanloz, R., and Kavner, A., 1996, Melting criteria and imaging spectroradiometry in laser-heated diamond-cell experiments, Phil Trans Roy Soc London A, 354(1711): 1279-1305. SHOCK TEMPERATURE-MEASUREMENTS; HIGH-PRESSURE; EARTHS CORE; LOWER MANTLE; GEOPHYSICAL IMPLICATIONS; IRON; CURVE; PHASE; PEROVSKITE; SYSTEMS, Article R Jeanloz, Univ Calif Berkeley, Dept Geol & Geophys, Berkeley, CA 94720 USA

Jelsma, H.A., Vinyu, M.L., Valbracht, P.J., Davies, G.R., Wijbrans, J.R., and Verdurmen, E.A.T., 1996, Constraints on Archaean crustal evolution of the Zimbabwe craton: A U-Pb zircon, Sm-Nd and Pb-Pb whole-rock isotope study, Contrib Mineral Petrol, 124(1): 55-70. BELINGWE GREENSTONE-BELT; WESTERN-AUSTRALIA; 2-STAGE MODEL; AGE; RHODESIA; MANTLE; KOMATIITES; BATHOLITHS; TERRAINS; BLOCK, Article HA Jelsma, Univ Zimbabwe, Dept Geol, POB MP167, Harare, Zimbabwe

Jimenez, A.P., Decisneros, C.J., Rivas, P., and Vera, J.A., 1996, The Early Toarcian anoxic event in the westernmost Tethys (Subbetic): Paleogeographic and paleobiogeographic significance, Journal of Geology, 104(4): 399-416. BLACK SHALES; EUROPE; CARBONATES; TRENDS,

Jimenez, M.J., and Garciafernandez, M., 1996, Aftershock sequence of the 9 May 1989 Canary Islands earthquake, Tectonophysics, 255(1-2): 157-162. CRUSTAL STRUCTURE; SOUTHERN-CALIFORNIA; LITHOSPHERE,

Jin, W.J., and Li, J.L., 1996, Determination of some physical parameters of the moon with lunar laser ranging data, Earth Moon Planet, 73(3): 259-265. lunar physics; Lunar Laser Ranging, Article WJ Jin, Acad Sinica, Shanghai Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China

Jochum, K.P., and Verma, S.P., 1996, Extreme enrichment of Sb, Tl and other trace elements in altered MORB, Chem Geol, 130(3-4): 289-299. RARE-EARTH ELEMENTS; HYDROTHERMAL FLUIDS; OCEANIC-CRUST; MARINE GEOCHEMISTRY; RIDGE BASALT; PACIFIC; MANTLE; SEAWATER; CONSTRAINTS; EVOLUTION, Article KP Jochum, Max Planck Inst Chem, Postfach 3060, D-55020 Mainz, Germany

Jochum, K.P., 1996, Rhodium and other platinum-group elements in carbonaceous chondrites, Geochim Cosmochim Acta, 60(17): 3353-3357. SOLAR-SYSTEM ABUNDANCES; ALLENDE INCLUSION; TRACE-ELEMENT; ASSEMBLAGES; SSMS, Article KP Jochum, Max Planck Inst Chem, Postfach 3060, D-55020 Mainz, Germany

Johnson, C.C., Barron, E.J., Kauffman, E.G., Arthur, M.A., Fawcett, P.J., and Yasuda, M.K., 1996, Middle Cretaceous reef collapse linked to ocean heat transport, Geology, 24(4): 376-380.

Johnson, H.P., Vanpatten, D., and Sager, W.W., 1996, Age-dependent variation in the magnetization of seamounts, Journal of Geophysical Research - Solid Earth, 101(B6): 13701-13714. CRETACEOUS PACIFIC SEAMOUNTS; MID-ATLANTIC RIDGE; NONUNIFORM MAGNETIZATION; REMANENT MAGNETIZATION; CRUSTAL MAGNETIZATION; LAT 37DEGREESN; LINE ISLANDS; HOT SPOT; PALEOMAGNETISM; INTENSITY,

Jones, J.H., 1996, Chondrite models for the composition of the Earth's mantle and core, Phil Trans Roy Soc London A, 354(1711): 1481-1494. TERRESTRIAL PLANETS; BULK COMPOSITION; CONSTRAINTS; CONSTITUTION; METEORITES; ORIGIN; RATIO; MOON, Article JH Jones, NASA, Lyndon B Johnson Space Ctr, SN4, Houston, TX 77058 USA

Kamenetsky, V., 1996, Methodology for the study of melt inclusions in Cr-spinel, and implications for parental melts of MORB from FAMOUS area, Earth Planet Sci Lett, 142(3-4): 479-486. FAMOUS; mid-ocean ridge basalts; inclusions; chrome spinel; experimental studies; olivine; trace elements; melts; MIDOCEAN RIDGE BASALTS; PRIMARY MAGMAS; OLIVINE; PERIDOTITE; PETROGENESIS; THOLEIITES; PRESSURE; GENESIS; ORIGIN; PHENOCRYSTS, Article V Kamenetsky, Univ Tasmania, Dept Geol, GPO 252C, Hobart, Tas 7001, Australia

Kamo, S.L., Czamanske, G.K., and Krogh, T.E., 1996, A minimum U-Pb age for Siberian flood-basalt volcanism, Geochim Cosmochim Acta, 60(18): 3505-3511. PERMIAN-TRIASSIC BOUNDARY; MASS EXTINCTION; ZIRCON AGES; TRAPS; EVENTS; ORIGIN; MANTLE; ERUPTION; AR-40; USSR, Article SL Kamo, Royal Ontario Museum, Jack Satterly Geochronol Lab, 100 Queens Pk, Toronto, on M5S 2C6, Canada

Kato, T., Ohtani, E., Ito, Y., and Onuma, K., 1996, Element partitioning between silicate perovskites and calcic ultrabasic melt, Phys Earth Planet Interiors, 96(2-3): 201-207. MGSIO3 PEROVSKITE; LOWER-MANTLE; DIFFERENTIATION; SYSTEM; PHASE; COEFFICIENTS; CONSTRAINTS; MAGMAS; ORIGIN, Article T Kato, Univ Tsukuba, Inst Geosci, Tsukuba, Ibaraki 305, Japan

Katsura, T., and Ito, E., 1996, Determination of Fe-Mg partitioning between perovskite and magnesiowustite, Geophys Res Lett, 23(16): 2005-2008. V-T EQUATION; LOWER MANTLE; TRANSITION ZONE; PHASE-RELATIONS; STATE, Article T Katsura, Okayama Univ, Inst Study Earths Interior, Misasa, Tottori 68201, Japan

Kauahikaua, J., Mangan, M., Heliker, C., and Mattox, T., 1996, A quantitative look at the demise of a basaltic vent: The death of Kupaianaha, Kilauea Volcano, Hawai'i, Bull Volcanol, 57(8): 641-648. Kilauea; Pu'u 'O'o-Kupaianaha; basaltic eruption; VLF electromagnetic induction; eruption prediction; FLOW, Article J Kauahikaua, US Geol Survey, Hawaiian Volcano Observ, Hawaii Natl Pk, HI 96718 USA

Kawamoto, T., Hervig, R.L., and Holloway, J.R., 1996, Experimental evidence for a hydrous transition zone in the early Earth's mantle, Earth Planet Sci Lett, 142(3-4): 587-592. mantle; subduction; water; olivine; peridotites; komatiite; secondary ion mass spectroscopy; PERIDOTITE KLB-1; SUBDUCTION ZONES; MODIFIED SPINEL; ARCHEAN MANTLE; WATER; GPA; BETA-MG2SIO4; KOMATIITES; EVOLUTION; OLIVINE, Article T Kawamoto, Arizona State Univ, Dept Geol, Tempe, AZ 85287 USA

Keller, G., and Stinnesbeck, W., 1996, Near-K/T age of elastic deposits from Texas to Brazil: Impact, volcanism and/or sea-level lowstand?, Terra Nova, 8(3): 277-285. CRETACEOUS-TERTIARY BOUNDARY; NORMAL SEDIMENTARY DEPOSITS; NORTHEASTERN MEXICO; CHANNEL DEPOSITS; PLANKTIC FORAMINIFERA; ENVIRONMENTAL-CHANGES; CHICXULUB STRUCTURE; MASS EXTINCTION; SURVIVORSHIP; HAITI, Article G Keller, Princeton Univ, Dept Geol & Geophys Sci, Princeton, NJ 08544 USA

Kent, R.W., Hardarson, B.S., Saunders, A.D., and Storey, M., 1996, Plateaux ancient and modern: Geochemical and sedimentological perspectives on Archaean oceanic magmatism, Lithos, 37(2-3): 129-142. SUPERIOR PROVINCE; FLOOD-BASALT; WEST AFRICA; 2.1 GA; MANTLE; ACCRETION; EVOLUTION; CRUSTAL; CANADA; BELT,

Kent, D.V., and Gee, J., 1996, Magnetic alteration of zero-age oceanic basalt, Geology, 24(8): 703-706. DE-FUCA RIDGE; GEOMAGNETIC PALEOINTENSITIES; PILLOW BASALTS; GRAIN-SIZE; SUBMARINE; NONSTOICHIOMETRY; TITANOMAGNETITES; HYSTERESIS; OXIDATION; GLASS, Article DV Kent, Lamont Doherty Earth Observ, Palisades, NY 10964 USA

Kern, H., Burlini, L., and Ashchepkov, I.V., 1996, Fabric-related seismic anisotropy in upper-mantle xenoliths: Evidence from measurements and calculations, Phys Earth Planet Interiors, 95(3-4): 195-209. CRYSTAL ELASTIC-CONSTANTS; AZIMUTHAL ANISOTROPY; WAVE VELOCITIES; P-WAVE; PRESSURE; TEMPERATURE; GARNET; ROCKS; KIMBERLITES; PERIDOTITES, Article H Kern, Mineral Petrog Inst, Olshausenstr 40, D-24098 Kiel, Germany

Kerr, R.A., 1996, Planetary science - New source proposed for most common meteorites, Science, 273(5280): 1337. Editorial

Kerr, R.A., 1996, Planetary science - Galileo finds mysterious magnetic field at Ganymede, Science, 273(5273): 311. Editorial

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Kerr, A.C., Tarney, J., Marriner, G.F., Klaver, G.T., Saunders, A.D., and Thirlwall, M.F., 1996, The geochemistry and petrogenesis of the late-Cretaceous picrites and basalts of Curacao, Netherlands Antilles: A remnant of an oceanic plateau, Contrib Mineral Petrol, 124(1): 29-43. RARE-EARTH ELEMENTS; MANTLE PLUMES; TECTONIC EVOLUTION; WESTERN CORDILLERA; ARCHEAN MANTLE; ORIGIN; KOMATIITES; PETROLOGY; COLOMBIA; ISOTOPE, Article AC Kerr, Univ Leicester, Dept Geol, Univ Rd, Leicester LE1 7RH, Leics, England

Kerr, R.A., 1996, Geophysics - Watching the earth move, Science, 272(5270): 1870. Editorial

Kerr, A.C., Tarney, J., Marriner, G.F., Nivia, A., Klaver, G.T., and Saunders, A.D., 1996, The geochemistry and tectonic setting of late Cretaceous Caribbean and Colombian volcanism, Journal of South American Earth Sciences, 9(1-2): 111-120. GORGONA-ISLAND; OCEANIC PLATEAUS; MANTLE PLUMES; CONTINENTAL MARGINS; WESTERN CORDILLERA; ISOTOPIC EVIDENCE; FLOOD BASALTS; EVOLUTION; ROCKS; SUBDUCTION,

Kerr, R.A., 1996, Did a Plate Tectonic Surge Flood Earth?, Science, 274:1611.

Kerr, A.C., Tarney, J., Marriner, G.F., Nivia, A., Saunders, A.D., and Klaver, G., in press, The geochemistry and tectonic setting of late Cretaceous Caribbean and Colombian volcanism, Journal of South American Earth Sciences, Caribbean, Colombia, geochemistry, tectonic,

Khadkikar, A.S., 1996, Breakup of Gondwanaland and the Jurassic record of the Kachchh basin, Gujarat, western India, Current Science, 70(12): 1093-1096. SUPERPLUMES; IRONSTONES; RIDGE,

Khan, R.M.K., Dassharma, S., Patil, D.J., and Naqvi, S.M., 1996, Trace, rare-earth element, and oxygen isotopic systematics for the genesis of banded iron-formations: Evidence from Kushtagi schist belt, Archaean Dharwar Craton, India, Geochim Cosmochim Acta, 60(17): 3285-3294. WESTERN-AUSTRALIA; SOUTH-INDIA; DEPOSITIONAL ENVIRONMENT; HYDROTHERMAL ALTERATION; SUPRACRUSTAL ROCKS; KARNATAKA NUCLEUS; SEDIMENTARY-ROCKS; ARCHEAN CHERTS; ICP-MS; GEOCHEMISTRY, Article RMK Khan, Natl Geophys Res Inst, Uppal Rd, Hyderabad 500007, Andhra Pradesh, India

Kincaid, C., Sparks, D.W., and Detrick, R., 1996, The relative importance of plate-driven and buoyancy-driven flow at mid-ocean ridges, J Geophys Res-Solid Earth, 101(B7): 16177-16193. SPREADING RATE DEPENDENCE; EAST PACIFIC RISE; ATLANTIC RIDGE; CRUSTAL THICKNESS; MIDOCEAN RIDGES; MAGMATIC ACCRETION; THERMAL-CONVECTION; GRAVITY-ANOMALIES; MANTLE FLOW; BENEATH, Article C Kincaid, Univ Rhode Isl, Grad Sch Oceanog, Narragansett, RI 02882 USA

Kirby, S.H., Stein, S., Okal, E.A., and Rubie, D.C., 1996, Metastable mantle phase transformations and deep earthquakes in subducting oceanic lithosphere, Rev Geophys, 34(2): 261-306. OLIVINE-SPINEL TRANSFORMATION; FOCUS EARTHQUAKES; DESCENDING LITHOSPHERE; MOMENT TENSOR; ISLAND ARCS; NORTHWEST PACIFIC; SLAB PENETRATION; HIGH-PRESSURE; SYSTEM MG2SIO4-FE2SIO4; HISTORICAL EARTHQUAKES, Review SH Kirby, US Geol Survey, 345 Middlefield Rd, Mail Stop 977, Menlo Pk, CA 94025 USA

Kivelson, M.G., Khurana, K.K., Walker, R.J., Russell, C.T., Linker, J.A., Southwood, D.J., and Polanskey, C., 1996, A magnetic signature at Io: Initial report from the Galileo magnetometer, Science, 273(5273): 337-340. FLOW PAST IO; MHD SIMULATION; CURRENT SYSTEM; PLASMA TORUS; JUPITER; ALFVEN; MAGNETOSPHERE; SATELLITES; ATMOSPHERE; FIELD, Article MG Kivelson, Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90095 USA

Knoll, A.H., Bambach, R.K., Canfield, D.E., and Grotzinger, J.P., 1996, Comparative earth history and Late Permian mass extinction, Science, 273(5274): 452-457. ORDOVICIAN SILURIAN BOUNDARY; ISOTOPIC COMPOSITION; TRIASSIC EXTINCTION; CARBON ISOTOPES; SOUTH CHINA; MODEL; GLACIATION; LAURENTIA; PATTERNS; OXYGEN, Article AH Knoll, Harvard Univ, Bot Museum, Cambridge, MA 02138 USA

Korenaga, J., and Hey, R.N., 1996, Recent dueling propagation history at the fastest spreading center, the East Pacific Rise, 26 degrees-32 degrees S, J Geophys Res-Solid Earth, 101(B8): 18023-18041. SEAMARC-II SURVEY; DE-FUCA-RIDGE; OROZCO TRANSFORM-FAULT; CURRENT PLATE MOTIONS; POLARITY TIME SCALE; RIFT PROPAGATION; FERNANDEZ,JUAN MICROPLATE; TECTONIC EVOLUTION; SEA BEAM; GALAPAGOS 95.5-DEGREES-W, Article J Korenaga, Woods Hole Oceanog Inst, Dept Geol & Geophys, Woods Hole, MA 02543 USA

Krishna, V.G., and Ramesh, D.S., 1996, The 410-km-depth discontinuity: A sharpness estimate from near-critical reflections - Discussion, Geophys Res Lett, 23(18): 2573-2574. UPPER-MANTLE STRUCTURE; SYSTEM MG2SIO4-FE2SIO4; SPINEL TRANSITIONS; OLIVINE, Editorial VG Krishna, Ngri, Uppal Rd, Hyderabad 7, Andhra Pradesh, India

Kudo, R., and Ito, E., 1996, Melting relations in the system Mg4Si4O12(En)-Mg3Al2Si3O12 (Py) at high pressures, Phys Earth Planet Interiors, 96(2-3): 159-169. PERIDOTITE KLB-1; 16.5 GPA; MANTLE; PYROPE; ORIGIN; TRANSFORMATIONS; MG2SIO4-FE2SIO4; TEMPERATURES, Article R Kudo, Oyo Corp, Core Lab, Omiya, Japan

Kuo, B.Y., Chen, C.H., and Zhang, Y.S., 1996, A fast velocity anomaly to the west of the Australian-Antarctic discordance, Geophys Res Lett, 23(17): 2239-2242. UPPER-MANTLE; BENEATH, Article BY Kuo, POB 1-55 Nankang, Taipei, Taiwan

Kuramoto, K., and Matsui, T., 1996, Partitioning of H and C between the mantle and core during the core formation in the Earth: Its implications for the atmospheric evolution and redox state of early mantle, J Geophys Res-Planets, 101(E6): 14909-14932. IRON-WATER REACTION; HIGH-PRESSURE; TERRESTRIAL PLANETS; OXYGEN FUGACITY; SILICATE MELTS; CARBON-DIOXIDE; GEOPHYSICAL IMPLICATIONS; TEMPERATURE-DEPENDENCE; SIDEROPHILE ELEMENTS; CHEMICAL-COMPOSITION, Review K Kuramoto, Univ Tokyo, Ctr Climiate Syst Res, Meguro Ku, Tokyo 153, Japan

Lafleche, M.R., and Camire, G., 1996, Geochemistry and provenance of metasedimentary rocks from the Archean Golden Pond sequence (Casa Berardi mining district, Abitibi subprovince), Can J Earth Sci, 33(5): 676-690. PRECAMBRIAN IRON FORMATIONS; RARE-EARTH ELEMENTS; WEATHERING PROFILES; CONTINENTAL-CRUST; GREENSTONE-BELT; TRACE-ELEMENTS; EVOLUTION; SEDIMENTS; CHEMISTRY; GENESIS, Article MR Lafleche, Univ Quebec, Inst Natl Rech Sci Georessources, 2535 Laurier Blvd, POB 7500, St Foy, Pq G1V 4C7, Canada

Lagabrielle, Y., Ruellan, E., Tanahashi, M., Bourgois, J., Buffet, G., Dealteriis, G., Dyment, J., Goslin, J., Graciamont, E., Iwabushi, Y., Jarvis, P., Joshima, M., Karpoff, A.M., Matsumoto, T., Ondreas, H., Pelletier, B., and Sardou, O., 1996, Active oceanic spreading in the northern north Fiji basin: Results of the NOFI cruise of R/V L'Atalante (Newstarmer project), Mar Geophys Res, 18(2-4): 225-247. North Fiji basin; back-arc basins; spreading centers; segmentation; axial grabens; axial volcanic highs; MARINE MAGNETIC-ANOMALIES; MID-ATLANTIC RIDGE; SOUTHWEST PACIFIC; SEISMOTECTONICS; MORPHOSTRUCTURE; EVOLUTION; TECTONICS; SKEWNESS; HISTORY; PLATEAU, Article Y Lagabrielle, Univ Bretagne Occidentale, CNRS, Ura 1278 Domaines Ocean & GDR910, 6 AV Le Gorgeu, BP 809, F-29285 Brest, France

Langenhorst, F., 1996, Characteristics of shocked quartz in late Eocene impact ejecta from Massignano (Ancona, Italy): Clues to shock conditions and source crater (vol 24, pg 487, 1996), Geology, 24(8): 768. Correction F Langenhorst, Humboldt Univ Berlin, Museum Naturkunde, Inst Mineral, Invalidenstr 43, D-10115 Berlin, Germany

Larson, R.L., and Kincaid, C., 1996, Onset of mid-Cretaceous volcanism by elevation of the 670 km thermal boundary layer, Geology, 24(6): 551-554.

Laske, G., and Masters, G., 1996, Constraints on global phase velocity maps from long-period polarization data, J Geophys Res-Solid Earth, 101(B7): 16059-16075. SURFACE-WAVE OBSERVATIONS; FREE OSCILLATION DATA; UPPER MANTLE; LATERAL HETEROGENEITY; PARTICLE MOTION; EARTH STRUCTURE; ANISOTROPY; FREQUENCY; ANOMALIES; INVERSION, Article G Laske, Univ Calif San Diego, Scripps Inst Oceanog, Inst Geophys & Planetary Phys, La Jolla, CA 92093 USA

Lay, T., and Young, C.J., 1996, Imaging scattering structures in the lower mantle by migration of long-period S waves, J Geophys Res-Solid Earth, 101(B9): 20023-20040. SHEAR VELOCITY-STRUCTURE; BENEATH NORTHERN SIBERIA; P-WAVE; DISCONTINUITY BENEATH; ISOTROPIC SCATTERERS; SOUTHERN CALIFORNIA; D-REGION; D''; BOUNDARY; REFLECTIONS, Article T Lay, Univ Calif Santa Cruz, Earth Sci Board, Inst Tecton, Earth & Marine Sci Bldg, Santa Cruz, CA 95064 USA

Layer, P.W., Kroner, A., and Mcwilliams, M., 1996, An Archean geomagnetic reversal in the Kaap Valley pluton, South Africa, Science, 273(5277): 943-946. BARBERTON GREENSTONE-BELT; PALEOMAGNETIC EVIDENCE; FIELD; AGE, Article PW Layer, Univ Alaska, Inst Geophys, Fairbanks, AK 99775 USA

Lazor, P., and Saxena, S.K., 1996, Discussion comment on melting criteria and imaging spectroradiometry in laser-heated diamond-cell experiments, Phil Trans Roy Soc London A, 354(1711): 1307-1313. IRON; PRESSURES; TEMPERATURE; KBAR, Article P Lazor, Uppsala Univ, Inst Earth Sci, S-75236 Uppsala, Sweden

Lecuyer, C., and Reynard, B., 1996, High-temperature alteration of oceanic gabbros by seawater (Hess Deep, Ocean Drilling Program Leg 147): Evidence from oxygen isotopes and elemental fluxes, J Geophys Res-Solid Earth, 101(B7): 15883-15897. MULTISTAGE HYDROTHERMAL ALTERATION; SAMAIL OPHIOLITE; RIDGE; MICROPROBE; DIFFUSION; ROCKS; CRUST; SR; STRONTIUM; FELDSPARS, Article C Lecuyer, Ecole Normale Super Lyon, CNRS, Umr 5570, Lab Sci Terre, 46 Allee Itallie, F-69364 Lyon 07, France

Leroex, A.P., Frey, F.A., and Richardson, S.H., 1996, Petrogenesis of lavas from the AMAR Valley and Narrowgate region of the FAMOUS Valley, 36 degrees-37 degrees N on the Mid Atlantic Ridge, Contrib Mineral Petrol, 124(2): 167-184. SOUTHWEST INDIAN RIDGE; EAST PACIFIC RISE; OCEANIC BASALTS; SILICATE MELTS; PRIMARY MAGMAS; ISOTOPIC HETEROGENEITY; CONTINENTAL-CRUST; MIDOCEAN RIDGES; FLOOR BASALTS; UPPER-MANTLE, Article AP Leroex, Univ Cape Town, Dept Geol Sci, ZA-7700 Rondebosch, South Africa

Lewy, Z., 1996, Octopods: Nude ammonoids that survived the Cretaceous-Tertiary boundary mass extinction, Geology, 24(7): 627-630. Article Z Lewy, Geol Survey Israel, 30 Malkhe Yisrael St, IL-95501 Jerusalem, Israel

Li, B.S., Gwanmesia, G.D., and Liebermann, R.C., 1996, Sound velocities of olivine and beta polymorphs of Mg2SiO4 at earth's transition zone pressures, Geophys Res Lett, 23(17): 2259-2262. X-RAY-DIFFRACTION; UPPER-MANTLE; HIGH-P; POLYCRYSTALS; BETA-MG2SIO4; ELASTICITY; GPA, Article BS Li, SUNY Stony Brook, Dept Earth & Space Sci, Stony Brook, NY 11794 USA

Lisitzin, A.P., Zonenshain, L.P., Kuzmin, M.L., and Charin, G.S., 1996, Magmatic and metamorphic rocks of King Trough and Palmer Ridge, Okeanologiya, 36(3): 431-443. ATLANTIC; GEOLOGY, Article AP Lisitzin, Pp Shirshov Oceanol Inst, Moscow, Russia

Liu, M., and Zandt, G., 1996, Convective thermal instabilities in the wake of the migrating Mendocino triple junction, California, Geophys Res Lett, 23(13): 1573-1576. UPPER-MANTLE; NUMERICAL-SOLUTIONS; VOLCANIC-ROCKS; COAST RANGES; HEAT-FLOW; LITHOSPHERE; EVOLUTION; IMAGES; ZONE, Article M Liu, Univ Missouri, Dept Geol Sci, Columbia, MO 65211 USA

Livingston, K., 1996, The great dinosaur extinction controversy, by C. Officer, J. Page, Science, 273(5283): 1808. Book Review

Louden, K.E., Osler, J.C., Srivastava, S.P., and Keen, C.E., 1996, Formation of oceanic crust at slow spreading rates: New constraints from an extinct spreading center in the Labrador Sea, Geology, 24(9): 771-774. THICKNESS; RIDGES; MODEL, Article KE Louden, Dalhousie Univ, Dept Oceanog, Halifax, Ns B3H 4J1, Canada

Ma, Y., and Cochran, J.R., 1996, Transitions in axial morphology along the Southeast Indian Ridge, J Geophys Res-Solid Earth, 101(B7): 15849-15866. AUSTRALIAN-ANTARCTIC DISCORDANCE; ACCRETING PLATE BOUNDARIES; RODRIGUEZ TRIPLE JUNCTION; EAST PACIFIC RISE; SPREADING RATE; MIDOCEAN RIDGES; MANTLE BENEATH; OCEAN; TOPOGRAPHY; EVOLUTION, Article Y Ma, Columbia Univ, Lamont Doherty Earth Observ, Oceanog Bldg, Palisades, NY 10964 USA

Macdonald, A.M., and Wunsch, C., 1996, An estimate of global ocean circulation and heat fluxes, Nature, 382(6590): 436-439. NORTH-ATLANTIC CIRCULATION; SOUTH-ATLANTIC; INTEROCEAN EXCHANGE; GENERAL-CIRCULATION; INVERSE METHODS; INDIAN OCEANS; PACIFIC-OCEAN; TRANSPORT; WATER; THERMOCLINE, Article AM Macdonald, Oregon State Univ, Coll Ocean & Atmospher Sci, Corvallis, OR 97331 USA

Machado, N., Schrank, A., Noce, C.M., and Gauthier, G., 1996, Ages of detrital zircon from Archean-Paleoproterozoic sequences: Implications for Greenstone belt setting and evolution of a Transamazonian foreland basin in Quadrilatero Ferrifero, southeast Brazil, Earth Planet Sci Lett, 141(1-4): 259-276. Quadrilatero Ferrifero; Archean; lower Proterozoic; zircon; inductively coupled plasma methods; mass spectra; greenstone belts; PB, Article N Machado, Univ Quebec, Geotop, SC Terre, CP 8888, Succ Ctr Ville, Montreal, Pq H3C 3P8, Canada

MacLeod, K.G., and Huber, B.T., 1996, Strontium isotopic evidence for extensive reworking in sediments spanning the Cretaceous-Tertiary boundary at ODP Site 738, Geology, 24(5): 463-466.

Magavern, S., Clark, D.L., and Clark, S.L., 1996, Sr-87/86, phytoplankton, and the nature of the Late Cretaceous and Early Cenozoic Arctic Ocean, Mar Geology, 133(3-4): 183-192. SEAWATER; SR-87/SR-86; EVOLUTION, Article DL Clark, Univ Wisconsin, Madison, WI 53706 USA

Mahoney, J.J., White, W.M., Upton, B.G.J., Neal, C.R., and Scrutton, R.A., 1996, Beyond EM-1: Lavas from Afanasy-Nikitin rise and the Crozet archipelago, Indian Ocean, Geology, 24(7): 615-618. ISOTOPIC CONSTRAINTS; KOOLAU VOLCANO; RIDGE; GEOCHEMISTRY; ORIGIN; MANTLE; ATLANTIC; HOTSPOT; BASALTS; HAWAII, Article JJ Mahoney, Univ Hawaii, Sch Ocean & Earth Sci & Technol, Honolulu, HI 96826 USA

Maier, W.D., Barnes, S.J., and Pellet, T., 1996, The economic significance of the Bell River Complex, Abitibi subprovince, Quebec, Can J Earth Sci, 33(7): 967-980. GEOCHEMICAL CONSTRAINTS; BUSHVELD COMPLEX; CHROMITITE LAYERS; GABBROIC COMPLEX; SULFIDE DEPOSITS; CU; MATAGAMI; ORIGIN; CRYSTALLIZATION; PETROGENESIS, Article WD Maier, Univ Port Elizabeth, Dept Geol, ZA-6000 Port Elizabeth, South Africa

Manga, M., 1996, Waves of bubbles in basaltic magmas and lavas, J Geophys Res-Solid Earth, 101(B8): 17457-17465. SIZE DISTRIBUTIONS; EXPLOSIVE ACTIVITY; FLOWS; VESICULATION; DEFORMATION; COALESCENCE; NUCLEATION; STROMBOLI; ERUPTION; DYNAMICS, Article M Manga, Univ Oregon, Dept Geol Sci, Eugene, OR 97403 USA

Manley, C.R., 1996, In situ formation of welded tuff-like textures in the carapace of a voluminous silicic lava flow, Owyhee County, SW Idaho, Bull Volcanol, 57(8): 672-686. silicic lava flows; rhyolite; rheomorphic ignimbrites; textures; welded shards; Idaho; Owyhee Plateau; SNAKE RIVER PLAIN; TRANS-PECOS TEXAS; SOUTHEASTERN AUSTRALIA; RHYOLITE LAVAS; EMPLACEMENT; IGNIMBRITE; CRYSTALLIZATION; CALIFORNIA; WIDESPREAD; VOLCANICS, Article CR Manley, Arizona State Univ, Dept Geol, Box 871404, Tempe, AZ 85287 USA

Manley, C.R., 1996, Physical volcanology of a voluminous rhyolite lava flow: The Badlands lava, Owyhee plateau, southwestern Idaho, J Volcanol Geotherm Res, 71(2-4): 129-153. MEDICINE LAKE HIGHLAND; CALIFORNIA; INCLUSIONS; CALDERA; MAGMAS; TUFF, Article CR Manley, Arizona State Univ, Dept Geol, Box 871404, Tempe, AZ 85287 USA

Mao, H.K., Shu, J.F., Fei, Y.W., Hu, J.Z., and Hemley, R.J., 1996, The wustite enigma, Phys Earth Planet Interiors, 96(2-3): 135-145. HIGH-PRESSURE POLYMORPHISM; X-RAY-DIFFRACTION; LOWER MANTLE; LATTICE STRAINS; PHASE-DIAGRAM; EARTH CORE; TEMPERATURE; COMPRESSION; IRON; FEO, Article HK Mao, Carnegie Inst Washington, Geophys Lab, 5251 Broad Branch Rd NW, Washington, DC 20015 USA

Mao, H.K., and Hemley, R.J., 1996, Experimental studies of Earth's deep interior: Accuracy and versatility of diamond-anvil cells, Phil Trans Roy Soc London A, 354(1711): 1315-1332. X-RAY-DIFFRACTION; HIGH-PRESSURE; RUBY; GPA; ELASTICITY; HYDROGEN; MANTLE; CORE; TEMPERATURES; FLUORESCENCE, Article HK Mao, Carnegie Inst Washington, Geophys Lab, 5251 Broad Branch Rd NW, Washington, DC 20015 USA

Marks, K.M., 1996, Resolution of the Scripps/NOAA marine gravity field from satellite altimetry, Geophys Res Lett, 23(16): 2069-2072. GEOSAT, Article KM Marks, NOAA, Geosci Lab, Natl Ocean Serv, N-OES12, 1305 E West Highway, Silver Spring, MD 20910 USA

Marti, J., Ablay, G.J., and Bryan, S., 1996, The Canary Islands: An example of structural control on the growth of large oceanic-island volcanoes - Comment, J Volcanol Geotherm Res, 72(1-2): 143-149. COLLAPSE CALDERAS; ALKALINE MAGMA; EVOLUTION; TENERIFE; GEOCHRONOLOGY, Editorial J Marti, Csic, Inst Ciencias Tierra Jaume Almera, Lluis Sole Sabaris S-N, Barcelona 08028, Spain

Martinez, F., and Taylor, B., 1996, Backarc spreading, rifting, and microplate rotation, between transform faults in the Manus basin, Mar Geophys Res, 18(2-4): 203-224. sidescan sonar; SeaMARC II; magnetics; gravity; PAPUA-NEW-GUINEA; EASTERN BISMARCK SEA; MARGINAL BASINS; NEW-BRITAIN; FOCAL MECHANISMS; PROPAGATING RIFT; PLATE TECTONICS; MARIANA TROUGH; ISLAND-ARC; EVOLUTION, Article F Martinez, Univ Hawaii Manoa, Sch Ocean & Earth Sci & Technol, Honolulu, HI 96822 USA

Martinsson, E., 1996, Geochemistry and petrogenesis of the Palaeoproterozoic, nickel-copper bearing Lainijaur intrusion, northern Sweden, Gff, 118( Part 2): 97-109. Palaeoproterozoic; Ni-Cu ore; Lainijaur; Skellefte district; gabbro complex; magmatic differentiation; flood basalt; Sweden; SKELLEFTE-DISTRICT; CHEMICAL VARIATION; INSIZWA COMPLEX; VOLCANIC-ROCKS; TRANSKEI; GENESIS; MANTLE; MAGMA; CRUST; USSR, Article

Masters, G., Johnson, S., Laske, G., and Bolton, H., 1996, A shear-velocity model of the mantle, Phil Trans Roy Soc London A, 354(1711): 1385-1410. DIFFERENTIAL TRAVEL-TIMES; ASPHERICAL STRUCTURE; WAVEFORM INVERSION; EARTH STRUCTURE; HETEROGENEITY; TOMOGRAPHY; FREQUENCY; DISCONTINUITY; SEISMOGRAMS; PHASE, Article G Masters, Univ Calif San Diego, Igpp, La Jolla, CA 92093 USA

Matsumoto, T., 1996, Gravity field derived from the altimetric geoid and its implications for the origin, driving force and evolution of microplate-type marginal basins in the Southwestern Pacific, Mar Geophys Res, 18(2-4): 147-161. NORTH FIJI BASIN; SATELLITE ALTIMETRY; HEAT-FLOW; RIDGE; CONVECTION; TECTONICS; DENSITY; PLATE; AGE, Article T Matsumoto, Jamstec, 2-15 Natsushima CHO, Yokosuka, Kanagawa 237, Japan

Matyska, C., 1996, Variational principles for the momentum equation of mantle convection with Newtonian and power-law rheologies, Geophys J Int, 126(1): 281-286. convection; geodynamics; rheology; SPHERICAL-SHELL; STOKES PROBLEM; PLATES, Article C Matyska, Charles Univ, Fac Math & Phys, Dept Geophys, V Holesovickach 2, Prague 18000 8, Czech Republic

Matzel, E., Sen, M.K., and Grand, S.P., 1996, Evidence for anisotropy in the deep mantle beneath Alaska, Geophys Res Lett, 23(18): 2417-2420. SHEAR VELOCITY STRUCTURE; BOUNDARY-LAYER; D'' LAYER; WAVES; CORE, Article E Matzel, Univ Texas, Dept Geol Sci, Austin, TX 78712 USA

Mcbride, J.S., Lambert, D.D., Greig, A., and Nicholls, I.A., 1996, Multistage evolution of Australian subcontinental mantle: Re-Os isotopic constraints from Victorian mantle xenoliths, Geology, 24(7): 631-634. LACHLAN FOLD BELT; SOUTHEASTERN AUSTRALIA; ULTRAMAFIC XENOLITHS; LITHOSPHERIC MANTLE; SYSTEMATICS; ND; BASALTS; ISLAND; CRUST; ROCKS, Article JS Mcbride, Monash Univ, Dept Earth Sci, Victorian Inst Earth & Planetary Sci, Clayton, Vic 3168, Australia

Mcenroe, S.A., 1996, North America during the Lower Cretaceous: New palaeomagnetic constraints from intrusions in New England, Geophys J Int, 126(2): 477-494. APW (apparent polar wander); Cretaceous; magnetic mineralogy; North America; palaeomagnetism; titanomagnetite; APPARENT POLAR WANDER; PALEOMAGNETIC FIELD; ROCK MAGNETISM; GRAIN-SIZE; PLUTONS; VOLCANICS; TERTIARY; BEHAVIOR; HISTORY; MOTION, Article SA Mcenroe, Univ Massachusetts, Dept Geosci, Amherst, MA 01003 USA

McHone, J.G., 1996, Constraints on the mantle plume model for mesozoic alkaline intrusions in northeastern North America, Canadian Mineralogist, 34( Part 2): 325-334. hotspot; New England seamounts; Monteregian Hills; Cretaceous alkaline plutons; Quebec; New England; NEW-ENGLAND; ATLANTIC-OCEAN; MONTEREGIAN HILLS; IGNEOUS PROVINCES; TECTONIC MODEL; CAMEROON LINE; MAGMATISM; VOLCANISM; SEAMOUNTS; ORIGIN,

Mclennan, S.M., and Taylor, S.R., 1996, Heat flow and the chemical composition of continental crust, J Geol, 104(4): 369-377. THERMAL STRUCTURE; MANTLE; EVOLUTION; LITHOSPHERE; EARTH; ROCKS; DIFFERENTIATION; CONSTRAINTS; SHIELD; GROWTH, Article SM Mclennan, SUNY Stony Brook, Dept Earth & Space Sci, Stony Brook, NY 11794 USA

Meisel, T., Biino, G.G., and Nagler, T.F., 1996, Re-Os, Sm-Nd, and rare earth element evidence for Proterozoic oceanic and possible subcontinental lithosphere in tectonized ultramafic lenses from the Swiss Alps, Geochim Cosmochim Acta, 60(14): 2583-2593. PERIDOTITE XENOLITHS; METAMORPHIC EVOLUTION; ISOTOPE SYSTEMATICS; TRACE-ELEMENTS; UPPER MANTLE; GEOCHEMISTRY; GOTTHARD; MASSIF; SR; CONSTRAINTS, Article T Meisel, Univ Maryland, Dept Geol, Isotope Geochem Lab, College Pk, MD 20742 USA

Menke, W., Brandsdottir, B., Einarsson, P., and Bjarnason, I.T., 1996, Reinterpretation of the RRISP-77 Iceland shear-wave profiles, Geophys J Int, 126(1): 166-172. crust; Iceland; Reykjanes Ridge; S waves; ATLANTIC PLATE BOUNDARY; SOUTH ICELAND; TOMOGRAPHIC IMAGE; HOT-SPOT; ZONE; CRUST, Article W Menke, Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA

Mensing, T.M., and Faure, G., 1996, Cretaceous alteration of Jurassic volcanic rocks, Pain Mesa, northern Victoria Land, Antarctica, Chem Geol, 129(1-2): 153-161. KIRKPATRICK BASALT; RANGE, Article G Faure, Ohio State Univ, Dept Geol Sci, Columbus, OH 43210 USA

Meurer, W.P., and Boudreau, A.E., 1996, Petrology and mineral compositions of the middle banded series of the Stillwater Complex, Montana, J Petrol, 37(3): 583-607. stillwater complex; middle banded series; layered intrusions; mineral chemistry; postcumulus processes; J-M REEF; LAYERED INTRUSIONS; INFILTRATION METASOMATISM; ISOTOPIC SYSTEMATICS; SKAERGAARD INTRUSION; CRYSTALLIZATION; PETROGENESIS; ANORTHOSITES; ORIGIN; OS, Article WP Meurer, Duke Univ, Dept Geol, Box 90227, Durham, NC 27708 USA

Meyers, P.A., 1996, Insights into deposition of Lower Cretaceous black shales from meager accumulation of organic matter in Albian sediments from ODP site 763, Exmouth Plateau, Northwest Australia, Geo - Marine Letters, 16(2): 108-114. ATLANTIC-OCEAN; CARBON; FORAMINIFERA; LYSOCLINE; NITROGEN,

Milner, S.C., and Leroex, A.P., 1996, Isotope characteristics of the Okenyenya igneous complex, northwestern Namibia: Constraints on the composition of the early Tristan plume and the origin of the EM 1 mantle component, Earth Planet Sci Lett, 141(1-4): 277-291. Mesozoic; Namibia; intrusions; basalts; geochemistry; mantle plumes; SOUTHWEST INDIAN RIDGE; FLOOD BASALTS; WALVIS RIDGE; GEOCHEMISTRY; ISLAND; VOLCANISM; EVOLUTION; ATLANTIC; SR; GENERATION, Article AP Leroex, Univ Cape Town, Dept Geol Sci, Rondebosch 7700, South Africa

Mitchell, J.N., Scoates, J.S., Frost, C.D., and Kolker, A., 1996, The geochemical evolution of anorthosite residual magmas in the Laramie Anorthosite Complex, Wyoming, J Petrol, 37(3): 637-660. anorthosite; ferrodiorite; geochemistry; Laramie anorthosite complex; residual magma; MALOIN-RANCH PLUTON; CRYSTALLIZATION CONDITIONS; PROTEROZOIC ANORTHOSITE; MASSIF ANORTHOSITE; GRENVILLE PROVINCE; TRACE-ELEMENTS; OXIDE-RICH; NEW-YORK; PETROGENESIS; CONSTRAINTS, Article JN Mitchell, Los Alamos Natl Lab, Mail Stop K762, Los Alamos, NM 87545 USA

Mohanty, J.K., and Sahoo, R.K., 1996, Mineralogical and chemical characteristics of the serpentinites from Boula-Nausahi igneous complex, Orissa, J Geol Soc India, 48(2): 161-170. economic geology; mineralogy; serpentinites; Orissa; CHROMITE, Article JK Mohanty, Reg Res Lab, Bhubaneswar 751013, Orissa, India

Mohanty, J.K., Sahoo, R.K., and Paul, A.K., 1996, Chromite alteration at Boula-Nausahi igneous complex, Orissa, J Geol Soc India, 48(3): 265-276. economic geology; chromite alteration; mineral chemistry; Boula-Nausahi; Orissa, Article JK Mohanty, Reg Res Lab, Bhubaneswar 751013, Orissa, India

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Morin, D., Marquis, R., and Jebrak, M., 1996, Monteregian phreatomagmatic diatreme in the Quebec Appalachians, Can J Earth Sci, 33(5): 649-655. NEW-ENGLAND; LAMPROPHYRES; MAGMATISM; ORIGIN; AGES, Article D Morin, Inst Natl Rech Sci Georessources, CP 7500, St Foy, Pq G1V 4C7, Canada

Morris, T.H., and Hebertson, G.F., 1996, Large-rock avalanche deposits, eastern Basin and Range, Utah: Emplacement, diagenesis, and economic potential, AAPG Bull-Amer Assn Petrol G, 80(7): 1135-1149. SEISMIC-REFLECTION DATA; CENTRAL NEVADA; CENOZOIC EXTENSION; RAILROAD VALLEY; SEVIER DESERT; GREAT-BASIN; CARBONATES; EVOLUTION; OIL; DETACHMENTS, Article TH Morris, Brigham Young Univ, Dept Geol, 673 Widb, Provo, UT 84602 USA

Munro, D.C., and Rowland, S.K., 1996, Caldera morphology in the western Galapagos and implications for volcano eruptive behavior and mechanisms of caldera formation, J Volcanol Geotherm Res, 72(1-2): 85-100. HISTORICAL ERUPTIONS; MOUNT-ETNA; FERNANDINA; ORIENTATION; FISSURES; ISLANDS; KILAUEA; HAWAII; ORIGIN; MODEL, Article DC Munro, Western European Union Satellite Ctr, Ueo, POB 511, Sp 28850 Torrejon, Madras, Tamil Nadu, India

Nakada, M., 1996, Viscosity structure of the oceanic lithosphere inferred from the differential late Quaternary sea-level variations for the southern Cook Islands, Geophys J Int, 126(3): 829-844. lithospheric viscosity; oceanic lithosphere; Quaternary sea-level; LAST INTERGLACIAL PERIOD; ELASTIC THICKNESS; SOCIETY ISLANDS; PACIFIC-OCEAN; UPPER-MANTLE; HEAT-FLOW; LATE PLEISTOCENE; GEOID ANOMALIES; UPLIFTED ATOLLS; HOTSPOT SWELLS, Article M Nakada, Kyushu Univ 33, Fac Sci, Dept Earth & Planetary Sci, Hakozaki, Fukuoka 81281, Japan

Nandan, K.R.R., 1996, Occurrence of Ultramafics of Komatiitic affinity in the Rikhabdev-Dungarpur belt, Udaipur and Dungarpur districts, Rajasthan - Comment, J Geol Soc India, 48(3): 361-362. Editorial KRR Nandan, Venkatadri 787, 7TH Cross, Bangalore 560040, Karnataka, India

Nauheimer, G., Fradkov, A.S., and Neugebauer, H.J., 1996, Mantle convection behavior with segregation in the core-mantle boundary, Geophys Res Lett, 23(16): 2061-2064. HIGH-PRESSURE; EARTHS CORE; FE-FEO; TEMPERATURES; PLUMES; ORIGIN; MODEL; IRON, Article G Nauheimer, Nussalle 8, D-53225 Bonn, Germany

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Neumann, G.A., Zuber, M.T., Smith, D.E., and Lemoine, F.G., 1996, The lunar crust: Global structure and signature of major basins, J Geophys Res-Planets, 101(E7): 16841-16863. CLEMENTINE MISSION; HARMONIC-ANALYSIS; IMPACT CRATERS; MOON; INVERSION; EVOLUTION; GRAVITY; TOPOGRAPHY; ANOMALIES; MODEL, Article GA Neumann, Johns Hopkins Univ, Dept Earth & Planetary Sci, Baltimore, MD 21218 USA

Newsom, H.E., Brittelle, G.E., Hibbitts, C.A., Crossey, L.J., and Kudo, A.M., 1996, Impact crater lakes on Mars, J Geophys Res-Planets, 101(E6): 14951-14955. HYDROTHERMAL SYSTEMS; WATER; HABITATS; SHEETS, Article HE Newsom, Univ New Mexico, Dept Earth & Planetary Sci, Albuquerque, NM 87131 USA

Nicolas, A., Boudier, F., and Ildefonse, B., 1996, Variable crustal thickness in the Oman ophiolite: Implication for oceanic crust, J Geophys Res-Solid Earth, 101(B8): 17941-17950. MID-ATLANTIC RIDGE; EAST PACIFIC RISE; SPREADING RATE; MAGMA CHAMBER; GRAVITY-ANOMALIES; SAMAIL OPHIOLITE; TRANSITION ZONE; MIDOCEAN RIDGES; MANTLE FLOW; CENTERS, Article A Nicolas, Univ Montpellier 2, Isteem, CNRS Umr 5568, Lab Tectonophys, F-34095 Montpellier 05, France

Nicolas, A., and Ildefonse, B., 1996, Flow mechanism and viscosity in basaltic magma chambers, Geophys Res Lett, 23(16): 2013-2016. OMAN OPHIOLITE; ROCKS; DEFORMATION; EVOLUTION; RHEOLOGY; RIDGES; MELTS, Article A Nicolas, Univ Montpellier 2, Isteem, Lab Tectonophys, CNRS Umr 5568, F-34095 Montpellier 05, France

O'Nions, R.K., Peltier, W.R., Davies, J.H., and Runcorn, S.K., 1996, Phase-transition modulated mixing in the mantle of the Earth - Discussion, Phil Trans Roy Soc London A, 354(1711): 1443-1447. NORTHWEST PACIFIC; ISLAND ARCS, Editorial RK Onions, Univ Oxford, Oxford OX1 2JD, England

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Oakes, G.M., Barron, L.M., and Lishmund, S.R., 1996, Alkali basalts and associated volcaniclastic rocks as a source of sapphire in eastern Australia, Aust J Earth Sci, 43(3): 289-298. alkali basalt; alluvial; diatreme; nephelinite; New England; pyroclastic; sapphire; Tertiary; volcaniclastic; MOROCCO, Article GM Oakes, Geol Survey New S Wales, St Leonards, NSW 2065, Australia

Olsen, E.J., Davis, A.M., Clayton, R.N., Mayeda, T.K., Moore, C.B., and Steele, I.M., 1996, A silicate inclusion in Puente del Zacate, a IIIA iron meteorite, Science, 273(5280): 1365-1367. IAB, Article EJ Olsen, Univ Chicago, Dept Geophys Sci, 5734 S Ellis Ave, Chicago, IL 60637 USA

Olson, P., and Glatzmaier, G.A., 1996, Magnetoconvection and thermal coupling of the Earth's core and mantle, Phil Trans Roy Soc London A, 354(1711): 1413-1424. GEOMAGNETIC-FIELD; CONVECTION; REVERSALS; SYMMETRY; BOUNDARY; GEOMETRY; PATHS; SHELL; POLES; MYR, Article P Olson, Johns Hopkins Univ, Dept Earth & Planetary Sci, Baltimore, MD 21218 USA

Ono, S., and Yasuda, A., 1996, Compositional change of majoritic garnet in a MORB composition from 7 to 17 GPa and 1400 to 1600 degrees C, Phys Earth Planet Interiors, 96(2-3): 171-179. SYSTEM MG2SIO4-FE2SIO4; SEISMIC DISCONTINUITY; MODIFIED SPINEL; SOLID-SOLUTION; HIGH-PRESSURES; OCEANIC-CRUST; MANTLE; TRANSFORMATION; DIFFERENTIATION; TEMPERATURES, Article S Ono, Univ Tokyo, Inst Geol, Bunkyo Ku, Tokyo 113, Japan

Oppenheimer, C., 1996, On the role of hydrothermal systems in the transfer of volcanic sulfur to the atmosphere, Geophys Res Lett, 23(16): 2057-2060. EL-CHICHON VOLCANO; COSTA-RICA; 1982 ERUPTIONS; CRATER LAKE; POAS VOLCANO; NEW-ZEALAND; SO2 FLUX; MEXICO; COMBUSTION; DIOXIDE, Article C Oppenheimer, Univ Cambridge, Dept Geog, Downing Pl, Cambridge CB2 3EN, England

Park, S.K., Hirasuna, B., Jiracek, G.R., and Kinn, C., 1996, Magnetotelluric evidence of lithospheric mantle thinning beneath the southern Sierra Nevada, J Geophys Res-Solid Earth, 101(B7): 16241-16255. ELECTRICAL-CONDUCTIVITY; CALIFORNIA; UPLIFT; CONSTRAINTS; EXTENSION; BATHOLITH; FLUIDS; CRUST, Article SK Park, Univ Calif Riverside, Inst Geophys & Planetary Phys, Riverside, CA 92521 USA

Park, J.K., and Gower, C.F., 1996, Paleomagnetism of pre-Grenvillian mafic rocks from the northeast Grenville Province, Labrador: Implications for the Grenville track, Can J Earth Sci, 33(5): 746-756. APPARENT POLAR WANDER; DOUBLE-MER FORMATION; EASTERN LABRADOR; SOUTHEAST LABRADOR; MEALY DYKES; CANADA; HISTORY; AGE, Article JK Park, Geol Survey Canada, Continental Geosci Div, 601 Booth St, Ottawa, on K1A 0E8, Canada

Parker, L.J., Atou, T., and Badding, J.V., 1996, Transition element-like chemistry for potassium under pressure, Science, 273:95-97.

Patchett, P.J., 1996, Crustal growth - Scum of the Earth after all, Nature, 382(6594): 758-759. CONTINENTAL-CRUST; ACCRETION, Editorial PJ Patchett, Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA

Pattnaik, S.K., 1996, Petrology of the Bhela-Rajna alkaline complex, Nuapara District, Orissa, J Geol Soc India, 48(1): 27-40. petrology; Bhela-Rajna alkaline complex; Bastar Craton; Orissa; NEPHELINE, Article SK Pattnaik, Geol Survey India, Unit 8, Bhubaneswar 751012, Orissa, India

Pattou, L., Lorand, J.P., and Gros, M., 1996, Non-chondritic platinum-group element ratios in the Earth's mantle (vol 379, pg 712, 1996), Nature, 381(6585): 810. Correction

Patzelt, A., Li, H.M., Wang, J.D., and Appel, E., 1996, Palaeomagnetism of Cretaceous to Tertiary sediments from southern Tibet: Evidence for the extent of the northern margin of India prior to the collision with Eurasia, Tectonophysics, 259(4): 259-284. PALEOMAGNETIC DATA; TECTONIC EVOLUTION; ASIA COLLISION; DECCAN TRAPS; LHASA BLOCK; CONSTRAINTS; HIMALAYA; PLATEAU; PAKISTAN; BENEATH,

Peate, D.W., Chen, J.H., Wasserburg, G.J., Papanastassiou, D.A., and Geissman, J.W., 1996, U-238-Th-230 dating of a geomagnetic excursion in Quaternary basalts of the Albuquerque volcanoes field, New Mexico (USA), Geophys Res Lett, 23(17): 2271-2274. LATE PLEISTOCENE; BRUNHES CHRON; ARCTIC-OCEAN; BAFFIN-BAY; SEDIMENTS; THERMOLUMINESCENCE, Article DW Peate, Open Univ, Dept Earth Sci, Walton Hall, Milton Keynes MK7 6AA, Bucks, England

Pelechaty, S.M., 1996, Stratigraphic evidence for the Siberia-Laurentia connection and early Cambrian rifting, Geology, 24(8): 719-722. PROTEROZOIC SUPERCONTINENT; UNITED-STATES; CANADA; AUSTRALIA; EVOLUTION; CONSTRAINTS; ANTARCTICA; DEPOSITION; BREAKUP; RODINIA, Article SM Pelechaty, Mit, Dept Earth Atmospher & Planetary Sci, Cambridge, MA 02139 USA

Pelletier, B., and Auzende, J.M., 1996, Geometry and structure of the Vitiaz trench lineament (SW Pacific), Mar Geophys Res, 18(2-4): 305-335. subduction zone; oceanic crust; volcanism; SW Pacific; Vitiaz Trench Lineament; swath bathymetry; NORTH FIJI BASIN; SOUTH-WEST PACIFIC; GEODYNAMIC EVOLUTION; ALOFI ISLANDS; VOLCANISM; FUTUNA; WALLIS; PLATE; ARC, Article B Pelletier, Orstom, BP A5, Noumea, New Caledonia

Peltier, W.R., 1996, Mantle viscosity and ice-age ice sheet topography, Science, 273(5280): 1359-1364. GLACIAL-ISOSTATIC-ADJUSTMENT; SEA-LEVEL CHANGE; SEISMIC TOMOGRAPHY; HUDSON-BAY; INVERSION; EARTH; CONSTRAINT; RELAXATION; INFERENCE; RHEOLOGY, Article WR Peltier, Univ Toronto, Dept Phys, 60 St George St, Toronto, on M5S 1A7, Canada

Peltier, W.R., 1996, Phase-transition modulated mixing in the mantle of the Earth, Phil Trans Roy Soc London A, 354(1711): 1425-1443. SYSTEM MG2SIO4-FE2SIO4; LAYERED CONVECTION; MODIFIED SPINEL; MODEL; RHEOLOGY; CONSTRAINTS; VISCOSITY; INVERSION; BOUNDARY; OLIVINE, Article WR Peltier, Univ Toronto, Dept Phys, 60 St George St, Toronto, on M5S 1A7, Canada

Perezinfante, J., Farrimond, P., and Furrer, M., 1996, Global and local controls influencing the deposition of the La Luna Formation (Cenomanian-Campanian), western Venezuela, Chem Geol, 130(3-4): 271-288. CRETACEOUS ANOXIC EVENTS; CARBON-ISOTOPE; PLANKTONIC-FORAMINIFERA; TURONIAN BOUNDARY; PERMIAN TASMANITE; ORGANIC-CARBON; SOUTH-AMERICA; BIOSTRATIGRAPHY; STRATIGRAPHY; CHRONOLOGY, Article P Farrimond, Venezuelan Petr Res Inst, Intevep, Apartado 76343, Caracas 1070A, Venezuela

Perfit, M.R., Fornari, D.J., Ridley, W.I., Kirk, P.D., Casey, J., Kastens, K.A., Reynolds, J.R., Edwards, M., Desonie, D., Shuster, R., and Paradis, S., 1996, Recent volcanism in the Siqueiros transform fault: Picritic basalts and implications for MORB magma genesis, Earth Planet Sci Lett, 141(1-4): 91-108. Siqueiros fracture zone; picrite; olivine basalt; olivine; geochemistry; magmas; phase equilibria; EAST PACIFIC RISE; MIDOCEAN RIDGE BASALTS; LAMONT SEAMOUNT; FRACTURE-ZONES; MANTLE; PETROGENESIS; PETROLOGY; CRUST, Article MR Perfit, Univ Florida, Dept Geol, 1112 Turlington Hall, Gainesville, FL 32611 USA

Philpotts, A.R., Carroll, M., and Hill, J.M., 1996, Crystal-mush compaction and the origin of pegmatitic segregation sheets in a thick flood-basalt flow in the Mesozoic Hartford basin, Connecticut, Journal of Petrology, 37(4): 811-836. crystal-mush compaction; segregation sheets; flood basalt; tholeiitic; Connecticut; SILICATE LIQUID IMMISCIBILITY; MELT SEGREGATION; DIFFERENTIATION; MAGMA; INTRUSIONS; CONVECTION; BODY; SIZE,

Plomerova, J., Sileny, J., and Babuska, V., 1996, Joint interpretation of upper-mantle anisotropy based on teleseismic P-travel time delays and inversion of shear-wave splitting parameters, Phys Earth Planet Interiors, 95(3-4): 293-309. AZIMUTHAL ANISOTROPY; CENTRAL-EUROPE; CONTINENTAL LITHOSPHERE; VELOCITY ANISOTROPY; SEISMIC ANISOTROPY; SKS-WAVES; DEFORMATION; STATIONS; BASIN; RANGE, Article J Plomerova, Acad Sci Czech Republ, Inst Geophys, Bocni II, CR-14131 Prague 4, Czech Republic

Plummer, P.S., 1996, The Amirante ridge/trough complex: Response to rotational transform rift drift between Seychelles and Madagascar, Terra Nova, 8(1): 34-47. WESTERN INDIAN-OCEAN; RED-SEA; EVOLUTION; TRENCH; DECCAN,

Poirier, J.P., Goddat, A., and Peyronneau, J., 1996, Ferric iron dependence of the electrical conductivity of the Earth's lower mantle material, Phil Trans Roy Soc London A, 354(1711): 1361-1369. Article JP Poirier, Inst Phys Globe, UA CNRS 1734, Dept Geomat, 4 Pl Jussieu, F-75252 Paris 05, France

Pollitz, F.F., and Sacks, I.S., 1996, Viscosity structure beneath northeast Iceland, J Geophys Res-Solid Earth, 101(B8): 17771-17793. ATLANTIC PLATE BOUNDARY; SOUTH-WEST ICELAND; SEISMIC STRUCTURE; EARTHQUAKE CYCLE; NE ICELAND; COLD CRUST; DEFORMATION; ZONE; CALIFORNIA; MODEL, Article FF Pollitz, Univ Cambridge, Inst Theoret Geophys, Dept Earth Sci, Downing St, Cambridge CB2 3EQ, England

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Pospichal, J.J., 1996, Calcareous nannofossils and clastic sediments at the Cretaceous-Tertiary boundary, northeastern Mexico, Geology, 24(3): 255-258.

Potrel, A., Peucat, J.J., Fanning, C.M., Auvray, B., Burg, J.P., and Caruba, C., 1996, 3.5 Ga old terranes in the West African Craton, Mauritania, J Geol Soc, 153( Part 4): 507-510. West Africa; lower Archaean; zircon; U-Pb; Sm-Nd; BARBERTON GREENSTONE-BELT; SOUTHERN-AFRICA; GEOLOGICAL TIME; ION MICROPROBE; AGES; EVOLUTION, Article JJ Peucat, Upr CNRS 4661, F-35042 Rennes, France

Pouclet, A., Vidal, M., Delor, C., Simeon, Y., and Alric, G., 1996, The Birimian volcanism in the northeastern Ivory-Coast, evidence for two distinct volcano-tectonic phases in the geodynamical evolution during the Palaeoproterozoic, Bull Soc Geol Fr, 167(4): 529-541. Paleoproterozoic; Birimian; Greenstone belts; Ivory Coast; WEST-AFRICAN CRATON; BACK-ARC BASIN; BURKINA-FASO; HAUTE-COMOE; HYDROTHERMAL ALTERATION; ELEMENT FRACTIONATION; BIRRIMIAN FORMATIONS; SUPERIOR PROVINCE; CRUSTAL EVOLUTION; GREENSTONE-BELT, Article A Pouclet, Univ Orleans, Fac Sci, Dipartimento Sci Terra, BP 6759, F-45067 Orleans 2, France

Prentice, A.J.R., 1996, Origin and bulk chemical composition of the galilean satellites and the primitive atmosphere of Jupiter: A pre-Galileo analysis, Earth Moon Planet, 73(3): 237-258. Jupiter; satellites; chemical composition; VOYAGER TRACKING DATA; ICY SATELLITES; SOLAR NEBULA; STATIC COMPRESSION; GRAVITY-FIELD; TEMPERATURE; CONVECTION; PLANETS; SYSTEM; FRACTIONATION, Article AJR Prentice, Monash Univ, Clayton, Vic 3168, Australia

Proussevitch, A.A., and Sahagian, D.L., 1996, Dynamics of coupled diffusive and decompressive bubble growth in magmatic systems, J Geophys Res-Solid Earth, 101(B8): 17447-17455. EXPLOSIVE VOLCANIC-ERUPTIONS; RHYOLITIC GLASSES; WATER DIFFUSION; SILICATE MELTS; COLUMN HEIGHT; ST-HELENS; WITHDRAWAL; NUCLEATION; VESUVIUS; VESICULARITY, Article AA Proussevitch, Univ New Hampshire, Inst Study Earth Oceans & Space, Complex Syst Res Ctr, Durham, NH 03824 USA

Putirka, K., Johnson, M., Kinzler, R., Longhi, J., and Walker, D., 1996, Thermobarometry of mafic igneous rock based on clinopyroxene liquid equilibria, 0-30 kbar, Contrib. Mineral. Petrol., 123:92-108.

Pyle, D.M., Beattie, P.D., and Bluth, G.J.S., 1996, Sulphur emissions to the stratosphere from explosive volcanic eruptions, Bull Volcanol, 57(8): 663-671. volcano-climate interaction; stratospheric sulphur; holocene ice-core records; OZONE MAPPING SPECTROMETER; ANHYDRITE-BEARING PUMICES; MOUNT-PINATUBO; SULFUR-DIOXIDE; CARBONYL SULFIDE; ICE-SHEET; ATMOSPHERE; GREENLAND; CLIMATE; SO2, Article DM Pyle, Univ Cambridge, Dept Earth Sci, Downing St, Cambridge CB2 3EQ, England

Queen, M., Heaman, L.M., Hanes, J.A., Archibald, D.A., and Farrar, E., 1996, Ar-40/Ar-39 phlogopite and U-Pb perovskite dating of lamprophyre dykes from the eastern Lake Superior region: Evidence for a 1.14 Ga magmatic precursor to Midcontinent Rift volcanism, Can J Earth Sci, 33(6): 958-965. ULTRABASIC LAMPROPHYRES; KAPUSKASING UPLIFT; MCKELLAR HARBOR; MARATHON DIKES; ABITIBI DYKE; CANADA; GEOCHRONOLOGY; ONTARIO; PROVINCE; VICINITY, Article LM Heaman, Queens Univ, Dept Geol Sci, Kingston, on K7L 3N6, Canada

Quidelleur, X., and Valet, J.P., 1996, Geomagnetic changes across the last reversal recorded in lava flows from La Palma, Canary Islands, Journal of Geophysical Research - Solid Earth, 101(B6): 13755-13773. POTASSIUM-ARGON AGES; VOLCANIC STRATIGRAPHY; POLARITY REVERSALS; PALEOMAGNETIC DATA; FIELD; BRUNHES; PATHS; SEDIMENTS; PALEOINTENSITIES; MAGNETIZATION,

Quilty, P.G., 1993, Tasmantid and Lord Howe seamounts: biostratigraphy and palaeoceanographic significance, Alcheringa, 17:27-53.

Rais, A., Laj, C., Surmont, J., Gillot, P.Y., and Guillou, H., 1996, Geomagnetic field intensity between 70000 and 130000 years BP from a volcanic sequence on La Reunion, Indian Ocean, Earth and Planetary Science Letters, 140(1-4): 173-189. Piton des Neiges; natural remanent magnetism; paleomagnetism; magnetic intensity; EARTHS MAGNETIC-FIELD; PALEOINTENSITY; ISLAND; HAWAII; GEOCHRONOLOGY; EXCURSION; EPISODE; TIME,

Ramasamy, R., 1996, Carbonatite dykes from Kudangulam area, near Cape Comorin, Tamil Nadu, J Geol Soc India, 48(2): 221-226. petrology; carbonatite; volcanic rocks; Tamil Nadu; INDIA, Article R Ramasamy, Tamilnadu State Dept Geol & Min, Madras 600032, Tamil Nadu, India

Rao, N.V.C., and Madhavan, V., 1996, A new look at the olivine-lamproitic rocks of the Maddur-Narayanpet area, Mahbubnagar district, Andhra Pradesh, India, J Geol Soc India, 47(6): 649-664. kimberlite lamproite; Mahbubnagar district; Andhra Pradesh; RARE-EARTH ELEMENTS; KIMBERLITES; PEROVSKITE; DIAMOND, Article NVC Rao, Univ Cambridge, Bullard Labs, Dept Earth Sci, Cambridge CB3 0EZ, England

Regelous, M., and Collerson, K.D., 1996, Sm-147-Nd-143, Sm-146-Nd-142 systematics of Early Archaean rocks and implications for crust-mantle evolution, Geochim Cosmochim Acta, 60(18): 3513-3520. ANGRA-DOS-REIS; NORTHERN LABRADOR; EARLY EARTH; EARLY DIFFERENTIATION; ISOTOPE SYSTEMATICS; DEPLETED MANTLE; WEST GREENLAND; ND-142 ND-144; SR-ISOTOPE; ND, Article M Regelous, Univ Queensland, Dept Earth Sci, Brisbane, Qld 4072, Australia

Reimold, W.U., 1996, Impact cratering - A review, with special reference to the economic importance of impact structures and the southern African impact crater record (vol 70, pg 47, 1995), Earth Moon Planet, 73(2): 193. Correction

Renne, P.R., Glen, J.M., Milner, S.C., and Duncan, A.R., 1996, Age of Etendeka flood volcanism and associated intrusions in southwestern Africa, Geology, 24(7): 659-662. NORTH-WESTERN NAMIBIA; SOUTHERN BRAZIL; RAPID ERUPTION; PARANA; BOUNDARY; BASALTS; GEOCHRONOLOGY; STRATIGRAPHY; AMERICA; PLUMES, Article PR Renne, Berkeley Geochronol Ctr, 2455 Ridge Rd, Berkeley, CA 94709 USA

Reston, T.J., Ruoff, O., Mcbride, J.H., Ranero, C.R., and White, R.S., 1996, Detachment and steep normal faulting in Atlantic oceanic crust west of Africa, Geology, 24(9): 811-814. TROODOS OPHIOLITE; RIDGE; TECTONICS; MODEL, Article TJ Reston, Christian Albrechts Univ Kiel, Geomar Res Ctr, D-24148 Kiel, Germany

Ribe, N.M., 1996, The dynamics of plume-ridge interaction .2. Off-ridge plumes, J Geophys Res-Solid Earth, 101(B7): 16195-16204. REYKJANES-RIDGE; MANTLE, Article NM Ribe, Yale Univ, Dept Geol & Geophys, POB 208109, New Haven, CT 06520 USA

Richard, D., Marty, B., Chaussidon, M., and Arndt, N., 1996, Helium isotopic evidence for a lower mantle component in depleted Archean komatiite, Science, 273(5271): 93-95. GORGONA-ISLAND; LOIHI SEAMOUNT; HE-3; GEOCHEMISTRY; COLOMBIA; DIAMONDS; BASALTS; FIELD; ROCKS, Article B Marty, CNRS, Ctr Rech Petrog & Geochim, Rue Notre Dame Pauvres, BP 20, F-54501 Vandoeuvre Nancy, France

Ringwood, A.E., 1996, Phase transformations in the earth's mantle, Phys Earth Planet Interiors, 96(2-3): 79-84. Editorial

Robertson, G.S., and Woodhouse, J.H., 1996, Ratio of relative S to P velocity heterogeneity in the lower mantle, J Geophys Res-Solid Earth, 101(B9): 20041-20052. ASPHERICAL EARTH STRUCTURE; SEISMIC TOMOGRAPHY; HIGH-TEMPERATURE; HIGH-PRESSURES; MINERALS; ATTENUATION; INVERSION, Article GS Robertson, Univ Oxford, Dept Earth Sci, Parks Rd, Oxford OX1 3PR, England

Rosenbaum, J.M., Zindler, A., and Rubenstone, J.L., 1996, Mantle fluids: Evidence from fluid inclusions, Geochim Cosmochim Acta, 60(17): 3229-3252. OXYGEN-ISOTOPE FRACTIONATION; BENEATH WESTERN VICTORIA; ALKALINE MAGMAS; ULTRAMAFIC INCLUSIONS; PERIDOTITE INCLUSIONS; STABLE ISOTOPE; KOHALA VOLCANO; NUNIVAK ISLAND; PB SYSTEMATICS; EARTHS MANTLE, Article JM Rosenbaum, Univ Leeds, Dept Earth Sci, Leeds LS2 9JT, W Yorkshire, England

Ruppel, S.C., James, E.W., Barrick, J.E., Nowlan, G., and Uyeno, T.T., 1996, High-resolution Sr-87/Sr-86 chemostratigraphy of the Silurian: Implications for event correlation and strontium flux, Geology, 24(9): 831-834. ISOTOPIC COMPOSITION; PHANEROZOIC TIME; SEA-WATER; SEAWATER; RECORD; SR, Article SC Ruppel, Univ Texas, Bur Econ Geol, Austin, TX 78713 USA

Russell, D.A., 1996, The evolution and extinction of the dinosaurs, by D.E. Fastovsky, D.B. Weishampel, Science, 273(5283): 1807-1808. Book Review DA Russell, N Carolina State Univ, Raleigh, NC 27695 USA

Russell, D.A., 1996, Dinosaur extinction and the end of an era. What the fossils say (Estonian), by J.D. Archibald, Science, 273(5283): 1807-1808. Book Review DA Russell, N Carolina State Univ, Raleigh, NC 27695 USA

Salil, M.S., Pattanayak, S.K., and Shrivastava, J.P., 1996, Composition of smectites in the Lameta sediments of central India: Implications for the commencement of Deccan volcanism, Journal of the Geological Society of India, 47(5): 555-560. smectite; Lameta sediments; Deccan Basalt; Central India; CRETACEOUS TERTIARY BOUNDARY; FLOOD BASALTS,

Salters, V.J.M., 1996, The generation of mid-ocean ridge basalts from the Hf and Nd isotope perspective, Earth Planet Sci Lett, 141(1-4): 109-123. hafnium; neodymium; mid-ocean ridge basalts; partial melting; UPPER MANTLE; MELT; GEOCHEMISTRY; OLIVINE; PLUME; HETEROGENEITY; TEMPERATURES; PERIDOTITES; PRESSURES; PETROLOGY, Article VJM Salters, Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA

Saunders, A.D., Tarney, J., Kerr, A.C., and Kent, R.W., 1996, The formation and fate of large oceanic igneous provinces, Lithos, 37(2-3): 81-95. CONTINENTAL MARGINS; TECTONIC EVOLUTION; CRUSTAL STRUCTURE; PLATE-TECTONICS; FLOOD BASALTS; MANTLE PLUMES; ISLAND ARCS; ONTONG JAVA; ACCRETION; ICELAND,

Saunders, A.D., Tarney, J., Kerr, A.C., and Kent, R.W., in press, The formation and fate of large oceanic igneous provinces, Lithos,

Savelieva, G.N., and Nesbitt, R.W., 1996, A synthesis of the stratigraphic and tectonic setting of the Uralian ophiolites, J Geol Soc, 153( Part 4): 525-537. Urals; ophiolite complexes; reconstruction; MARGINAL BASINS; SOUTH URALS; EVOLUTION; MODEL, Article RW Nesbitt, Univ Southampton, Southampton Oceanog Ctr, Dept Geol, Southampton SO14 3ZH, Hants, England

Saxena, S.K., 1996, Earth mineralogical model: Gibbs free energy minimization comput