Table Of Content

Earth and Planetary Science Letters 148 (1997) 597-599 Contents Volume 148 148 (1/2) Express Letter Section Isotopic constraints on the influence of the Icelandic plume R.N. Taylor, M.F. Thirlwall, B.J. Murton, D.R. Hilton and M.A.M. Gee Regular Letters Evolution of starting mantle plumes: a comparison between numerical and laboratory models P. van Keken The effect of temperature dependent viscosity on the structure of new plumes in the mantle: Results of a finite element model in a spherical, axisymmetric shell L.H. Kellogg and S.D. King Grain-size evolution in subducted oceanic lithosphere associated with the olivine—spinel transformation and its effects on rheology M.R. Riedel and S.-i. Karato Three-dimensional thermal modeling for the Mendocino Triple Junction area S. Goes, R. Govers, S. Schwartz and K. Furlong The relationship between buoyant mantle flow, melt migration, and gravity bull’s eyes at the Mid-Atlantic Ridge between 33°N and 35°N L.S. Magde, D.W. Sparks and R.S. Detrick Hydrothermal vents near a mantle hot spot: the Lucky Strike vent field at 37°N on the Mid-Atlantic Ridge C. Langmuir, S. Humphris, D. Fornari, C. Van Dover, K. Von Damm, M.K. Tivey, D. Colodner, J.-L. Charlou, D. Desonie, C. Wilson, Y. Fouquet, G. Klinkhammer and H. Bougault Thin crust beneath ocean drilling program borehole 735B at the Southwest Indian Ridge? M.R. Muller, C.J. Robinson, T.A. Minshull, R.S. White and M.J. Bickle Early Tertiary plume uplift of the North Sea and Faeroe—Shetland Basins P.A. Nadin, N.J. Kusznir and M.J. Cheadle The Oligocene—Miocene Pacific—Australia plate boundary, south of New Zealand: Evolution from oceanic spreading to strike-slip faulting G. Lamarche, J.-Y. Collot, R.A. Wood, M. Sosson, R. Sutherland and J. Delteil Absolute paleointensity between 60 and 400 ka from the Kohala Mountain (Hawaii) J. Brassart, E. Tric, J.-P. Valet and E. Herrero-Bervera Forces controlling the present-day state of stress in the Andes P.Th. Meijer, R. Govers and M.J.R. Wortel Roots of Etna volcano in faults of great earthquakes A. Hirn, R. Nicolich, J. Gallart, M. Laigle, L. Cernobori and ETNASEIS Scientific Group Trace element transport during dehyaration processes in the subducted oceanic crust: 1. Experiments and implications for the origin of ocean island basalts T. Kogiso, Y. Tatsumi and S. Nakano Trace element transport during dehydration processes in the subducted oceanic crust: 2. Origin of chemical and physical characteristics in arc magmatism Y. Tatsumi and T. Kogiso Fine-scale isotopic heterogeneities and fluids in the deep crust: a ar/ Ar laser ablation and TEM study of muscovites from a granulite—eclogite transition zone T.M. Boundy, C.M. Hall, G. Li, E.J. Essene and A.N. Halliday 598 Contents Volume 148 The Lu-Hf isotope geochemistry of chondrites and the evolution of the mantle—crust system J. Blichert-Toft and F. Albaréde Observations of **| Pa/ **°U disequilibrium in volcanic rocks D.A. Pickett and M.T. Murrell Isotope disequilibrium during anatexis: a case study of contact melting, Sierra Nevada, California S. Tommasini and G.R. Davies Dating of alteration episodes related to mercury mineralization in the Almadén district, Spain C.M. Hall, P.L. Higueras, S.E. Kesler, R. Lunar, H. Dong and A.N. Halliday Effects of interaction between ultramafic tectonite and mafic magma on Nd—Pb-Sr isotopic systems in the Neoproterozoic Chaya Massif, Baikal—-Muya ophiolite belt Y.V. Amelin, E.Yu. Ritsk and L.A. Neymark Evidence in support of first-order dissolution kinetics of calcite in seawater B. Hales and S. Emerson The fractionation between Y and Ho in the marine environment Y. Nozaki, J. Zhang and H. Amakawa The behavior of natural and anthropogenic osmium in Long Island Sound, an urban estuary in the eastern U.S. G. Williams, F. Marcantonio and K.K. Turekian A stable isotope study of fossil mammal remains from the Paglicci cave, Southern Italy. N and C as palaeoenvironmental indicators P. Iacumin, H. Bocherens, A. Delgado Huertas, A. Mariotti and A. Longinelli Early Carboniferous onset of Gondwanian glaciation and Neo-tethyan rifting in South Tibet E. Garzanti and D. Sciunnach Ice age initiation by an ocean—atmospheric circulation change in the Labrador Sea R.G. Johnson Evaluating southern Red Sea corals as a proxy record for the Asian monsoon R. Klein, A.W. Tudhope, C.P. Chilcott, J. Patzold, Z. Abdulkarim, M. Fine, A.E. Fallick and Y. Loya Discussion Comment on ‘‘Uranium-series disequilibrium, sedimentation, diatom frustules, and paleoclimate change in Lake Baikal’’ by D.N. Edgington, J.A. Robbins, S.M. Colman, K.A. Orlandini and M.-P. Gustin R.F. Anderson Reply to the Comment by R. Anderson on ‘‘Uranium-series disequilibrium, sedimentation, diatom frustules, and paleoclimate change in Lake Baikal’’ D.N. Edgington, J.A. Robbins, S.M. Colman, K.A. Orlandini, M.-P. Gustin, J.V. Klump and L.Z. Granina 148 (3 /4) Regular Letters Mechanics of oblique spreading and ridge segmentation M. Abelson and A. Agnon Evolution of tectonic compaction in the Barbados accretionary prism: Estimates from logging-while-drilling S. Saito and D. Goldberg Glasses in mantle xenoliths from western Victoria, Australia, and their relevance to mantle processes G.M. Yaxley, V. Kamenetsky, D.H. Green and T.J. Falloon Mantle avalanches and the dynamic topography of continents R.N. Pysklywec and J.X. Mitrovica Phase transitions in the Martian mantle: Implications for partially layered convection D. Breuer, D.A. Yuen and T. Spohn Trace element evidence from seamounts for recycled oceanic crust in the Eastern Pacific mantle Y. Niu and R. Batiza High salinity fluid inclusions formed from recycled seawater in deeply subducted alpine serpentinite M. Scambelluri, G.B. Piccardo, P. Philippot, A. Robbiano and L. Negretti Mantle-derived helium and carbon in groundwaters and gases of Mount Etna, Italy P. Allard, P. Jean-Baptiste, W. D’ Alessandro, F. Parello, B. Parisi and C. Flehoc Contents Volume 148 History of water-column anoxia in the Black Sea indicated by pyrite framboid size distributions R.T. Wilkin, M.A. Arthur and W.E. Dean Oxygen diffusion in zircon E.B. Watson and D.J. Cherniak Depth profile of "Ca in an Apollo 15 drill core and the low-energy neutron flux in the Moon K. Nishiizumi, D. Fink, J. Klein, R. Middleton, J. Masarik, R.C. Reedy and J.R. Arnold Paleomagnetic results from Saudi Arabia and the Permo-Triassic Pangea configuration F. Torcq, J. Besse, D. Vaslet, J. Marcoux, L.E. Ricou, M. Halawani and M. Basahel Did the European dinosaurs disappear before the K-T event? Magnetostratigraphic evidence B. Galbrun Magnetostratigraphic evidence that ‘tiny wiggles’ in the oceanic magnetic anomaly record represent geomagnetic variations L. Lanci and W. Lowrie Author Index Volume 148