Table Of Content

CHEMICAL GEOLOGY ISOTOPE GEOSCIENCE LSEVIER Chemical Geology 119 (1995) 333-334 Contents Volume 119, 1995 VOLS. 1-4 Research Papers A highly sensitive HPLC method for the determination of Th and U concentrations in geological samples M. Rehkaémper Laser ablation-inductively coupled plasma—mass spectrometry: an investigation of elemental responses and matrix effects in the analysis of geostandard materials C.A. Morrison, D.D. Lambert, R.J.S. Morrison, W.W. Ahlers and I.A. Nicholls Geochemical and tectonic transitions in the evolution of the Mogollon—Datil Volcanic Field, New Mexico, U.S.A. J.M. Davis and C.J. Hawkesworth Geochemistry of pre-Taconian mafic volcanism in the Humber Zone of the northern Appalachians, Québec, Canada G. Camiré, M.R. La Fléche and G.A. Jenner Gochemical characteristics and origin of the Jacupiranga carbonatites, Brazil Y.-M. Huang, C.J. Hawkesworth, P. van Calsteren and F. McDermott Characterisation of amphibolite-facies fluids of Variscan eclogites from the Orlica—Snieznik dome (Sudetes, SW Poland) R. Klemd, M. Brocker and J. Schramm Origin of anomalous rare-earth element and yttrium enrichments in subaerially exposed basalts: Evidence from French Polynesia J. Cotten, A. Le Dez, M. Bau, M. Caroff, R.C. Maury, P. Dulski, S. Fourcade, M. Bohn and R. Brousse Textural and chemical effects of bacterial activity on basaltic glass: an experimental approach I.H. Thorseth, H. Furnes and O. Tumyr Origin of clay-rich beds in Turonian chalks from Lower Saxony, Germany — a rare-earth element study Seawater-metasomatism in hydrothermal sediments (Escanaba Trough, northeast Pacific) C.R. German, B.A. Barreiro, N.C. Higgs, T.A. Nelsen, E.M. Ludford and M.R. Palmer Cosmogenic !°Be and *He accumulation in Pleistocene beach terraces in Death Valley, California, U.S.A.: Implications for cosmic-ray exposure dating of young surfaces in hot climates T.W. Trull, E.T. Brown, B. Marty, G.M. Raisbeck and F. Yiou Rare-earth element geochemistry of Colour Lake, an acidic freshwater lake on Axel Heiberg Island, Northwest Territories, Canada K.H. Johannesson and W.B. Lyons Water geochemistry of the rivers around the Taklimakan Desert (NW China): Crustal weathering and evaporation processes in arid land J. Zhang, K. Takahashi, H. Wushiki, S. Yabuki, J.-M. Xiong and A. Masuda Geochemistry of arsenic and antimony in Bulgarian coals G.M. Eskenazy V/Ni ratio in maltene and asphaltene fractions of crude oils from the west Venezuelan basin: correlation studies L. Lopez, S. Lo Monaco, F. Galarraga, A. Lira and C. Cruz Isotope Geoscience Section Research Papers Origin of carbon in fumarolic gas from island arcs Y. Sano and B. Marty 0009-2541 /95/$09.50 © 1995 Elsevier Science B.V. All rights reserved 334 Contents Volume 119, 1995 / Chemical Geology 119 (1995) 333-334 226Ra contents and ?*Ra/?Ra activity ratios of the Fenland rivers and The Wash, eastern England: spatial and seasonal trends A.J. Plater, M. Ivanovich and R.E. Dugdale Confined fission-track length measurement of zircon: assessment of factors affecting the paleotemperature estimate R. Yamada, T. Tagami and S. Nishimura U-Pb dating of granites with inherited zircon: Conventional and ion microprobe results from two Paleozoic plutons, Canadian Appalachians J.C. Roddick and M.L. Bevier Book Review Defects and Processes in the Solid State: Geoscience Applications (The McLaren Volume), by J.N. Boland and J.D. Fritz (Editors) — K.A. Waldron Contents Volume 119, 1995