Table Of Content

EPSL ELSEVIER Earth and Planetary Science Letters 171 (1999) 679-681 www.elsevier.com/locate/epsl Contents Volume 171 Express Letter Pyrite and phosphate in anoxia and an origin-of-life hypothesis J. Bebié and M.A.A. Schoonen Regular Letters Tethyan subducted slabs under India R. Van der Voo, W. Spakman and H. Bijwaard The density structure associated with oceanic crustal rifting at the Hess Deep: a seafloor and sea-surface gravity study V. Ballu, J.A. Hildebrand and E.L. Canuteson The cosmochemical behavior of mercury D.S. Lauretta, B. Devouard and P.R. Buseck The origin of abyssal peridotites: a reinterpretation of constraints based on primary bulk compositions M.B. Baker and J.R. Beckett Fractionation of trace elements by subduction-zone metamorphism — effect of convergent-margin thermal evolution G.E. Bebout, J.G. Ryan, W.P. Leeman and A.E. Bebout Origin of trace gases in submarine hydrothermal vents of the Kolbeinsey Ridge, north Iceland R. Botz, G. Winckler, R. Bayer, M. Schmitt, M. Schmidt, D. Garbe-Schonberg, P. Stoffers and J.K. Kristjansson Oxygen isotope studies of illite/smectite and clinoptilolite from Yucca Mountain: implications for paleohydrologic conditions X. Feng, A.M. Faiia, G. WoldeGabriel, J.L. Aronson, M.A. Poage and C.P. Chamberlain An early unroofing in northeastern Tibet? Constraints from *°Ar/*° Ar thermochronology on granitoids from the eastern Kunlun range (Qianghai, NW China) C. Mock, N.O. Arnaud and J.-M. Cantagrel High resolution palynological record off the Iberian margin: direct land—sea correlation for the Last Interglacial complex M.F. Sanchez Gofi, F. Eynaud, J.L. Turon and N.J. Shackleton Paleosecular variation during sequential geomagnetic reversals from Hawaii E. Herrero-Bervera and J.-P. Valet Actual timing of neodymium isotopic variations recorded by Fe—Mn crusts in the western North Atlantic K.W. Burton, D.-C. Lee, J.N. Christensen, A.N. Halliday and J.R. Hein The alkali element and boron geochemistry of the Escanaba Trough sediment-hosted hydrothermal system R.H. James, M.D. Rudnicki and M.R. Palmer Partial molar volumes of NiO and CoO liquids: implications for the pressure dependence of metal-silicate partitioning P. Courtial, J. Gottsmann, A. Holzheid and D.B. Dingwell Osmium isotope variations in the oceans recorded by Fe—Mn crusts K.W. Burton, B. Bourdon, J.-L. Birck, C.J. Allégre and J.R. Hein Noble gas behaviour and composition in the mantle: constraints from the Iceland Plume D. Harrison, P. Burnard and G. Turner Zonation of monazite in metamorphic rocks and its implications for high temperature thermochronology: a case study from the Lewisian terrain X.K. Zhu and R.K. O’Nions Early establishment of seafloor hydrothermal systems during structural extension: paleomagnetic evidence from the Troodos ophiolite, Cyprus R.J. Varga, J.S. Gee, L. Bettison-Varga, R.S. Anderson and C. L. Johnson Tectonics of the Bay of Bengal: new insights from satellite-gravity and ship-borne geophysical data C. Subrahmanyam, N.K. Thakur, T. Gangadhara Rao, R. Khanna, M.V. Ramana and V. Subrahmanyam 680 Contents Volume 171 Large '3C enrichment in primary carbonates from Andean Altiplano lakes, northwest Argentina B.L. Valero-Garcés, A. Delgado-Huertas, N. Ratto and A. Navas Waterfalls, floods and climate change: evidence from tropical Australia J. Nott and D. Price Comparison of flat-topped stellate seamounts on Earth’s seafloor with stellate domes on Venus using side-scan sonar and Magellan synthetic aperture radar M.H. Bulmer and J.B. Wilson Estimation of effective elastic thickness from gravity and topography data under the Deccan Volcanic Province, India V.M. Tiwari and D.C. Mishra Sources and fluxes of hydrothermal heat, chemicals and biology within a segment of the Mid-Atlantic Ridge B.J. Murton, L.J. Redbourn, C.R. German and E.T. Baker Express Letters A solution to anomalous fading and age shortfalls in optical dating of feldspar minerals M. Lamothe and M. Auclair Dependence of the decay rate of ’Be on chemical forms Space-geodetic estimation of the Nazca—South America Euler vector D. Angermann, J. Klotz and C. Reigber The “lost Inca Plateau”: cause of flat subduction beneath Peru? M.-A. Gutscher, J.-L. Olivet, D. Aslanian, J.-P. Eissen and R. Maury Regular Letters Helium, heat, and the generation of hydrothermal event plumes at mid-ocean ridges J.E. Lupton, E.T. Baker and G.J. Massoth Thermal constraints on the survival of primitive blobs in the lower mantle T.W. Becker, J.B. Kellogg and R.J. O’Connell On the relationship between subducted slab age and arc basalt petrogenesis, Cascadia subduction system, North America N.L. Green and D.L. Harry Effect of water on metal-silicate partitioning of siderophile elements: a high pressure and temperature terrestrial magma ocean and core formation K. Righter and M.J. Drake Effects of a realistic mantle thermal conductivity on the patterns of 3-D convection F. Dubuffet, D.A. Yuen and M. Rabinowicz Ultramafic exposures and the gravity signature of the lithosphere near the Fifteen—-Twenty Fracture Zone (Mid-Atlantic Ridge, 14°-16.5°N) J. Escartin and M. Cannat Rapid exhumation of the Zermatt—Saas ophiolite deduced from high-precision Sm—Nd and Rb-Sr geochronology J.M. Amato, C.M. Johnson, L.P. Baumgartner and B.L. Beard Hf isotope compositions of komatiites J. Blichert-Toft and N.T. Arndt Chemical (He, H2, CHy, Ne, Ar, N2) and isotopic (He, Ne, Ar, C) variations at the Solfatara crater (southern Italy): mixing of different sources in relation to seismic activity D. Tedesco and P. Scarsi Incoherent inelastic neutron scattering measurements on Dome-Fuji Antarctic ice H. Fukazawa, S. Mae, S. Ikeda and O. Watanabe Rapid climatic variations during marine isotopic stage 3: magnetic analysis of sediments from Nordic Seas and North Atlantic C. Kissel, C. Laj, L. Labeyrie, T. Dokken, A. Voelker and D. Blamart Interannual variability of hail-days in the Andes region since 1885 R. Prieto, L. Gimeno, R. Garcia, R. Herrera, E. Hernandez and P. Ribera Discussion Comment on “Block rotations and continental extension in the central Aegean Sea: palaeomagnetic and structural evidence from Tinos and Mykonos (Cyclades, Greece)” by D. Avigad et al. A. Morris and M.W. Anderson Contents Volume 171 Reply to comment on “Block rotations and continental extension in the central Aegean Sea: palaeomagnetic and structural evidence from Tinos and Mykonos (Cyclades, Greece)” by D. Avigad et al. D. Avigad, G. Baer and A. Heimann Erratum Erratum to “Earthquake-reiated elemental and isotopic lead anomaly in springwater” [Earth Planet. Sci. Lett. 169 (1999) 269-276] F. Poitrasson, S. Hjorth Dundas, J.-P. Toutain, M. Munoz and A. Rigo Regular Letters The dynamical origin of Hawaiian volcanism N.M. Ribe and U.R. Christensen Mixing in a 3D spherical model of present-day mantle convection P. van Keken and S. Zhong Global-scale interactions between the solid Earth and its fluid envelopes at the seasonal time scale A. Cazenave, F. Mercier, F. Bouille and J.M. Lemoine First paleomagnetic data from the sedimentary cover of the French Penninic Alps: evidence for Tertiary counterclockwise rotations in the Western Alps J.C. Thomas, M.E. Claudel, M. Collombet, P. Tricart, A.C hauvin and T. Dumont First seamount age evidence for significantly slower African plate motion since 19 to 30 Ma J.M. O’Connor, P. Stoffers, P. van den Bogaard and M. McWilliams Early Miocene high-temperature metamorphism and rapid exhumation in the Betic Cordillera (Spain): evidence from U-Pb zircon ages J.P. Platt and M.J. Whitehouse New insights into carbon fluid chemistry and graphite precipitation: SIMS analysis of granulite facies graphite from Ponmudi, South India J. Farquhar, E. Hauri and J. Wang Seawater strontium and Sr/Ca variability in the Atlantic and Pacific oceans pan MMR AREER du oe ee orle aS t Ge elie) vee S GMa Sa CLONE Se ere we Glo bs areca Held Be ee Gee ee ee Climate in northern Eurasia 6000 years ago reconstructed from pollen data PE. Tarasov, J. Guiot, R. Cheddadi, A.A. Andreev, L.G. Bezusko, T. A. Blyakharchuk, N.I. Dorofeyuk, L.V. Filimonova, V.S. Volkova and V.P. Zernitskaya Erosional history of the Himalayan and Burman ranges during the last two glacial—interglacial cycles C. Colin, L. Turpin, J. Bertaux, A. Desprairies and C. Kissel The flooding of Sundaland during the last deglaciation: imprints in hemipelagic sediments from the southern South China Sea C. Pelejero, M. Kienast, L. Wang and J.O. Grimalt Author Index Volume 171