Contents volume 38, 1983

Contents volume 38, 1983

Chemical Geology, 38 (1983) 365--366 Elsevier Scientific Publishing Company, Amsterdam -- Printed in The Netherlands 365 Contents Volume 38, 1983 Re...

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Chemical Geology, 38 (1983) 365--366 Elsevier Scientific Publishing Company, Amsterdam -- Printed in The Netherlands

365

Contents Volume 38, 1983 Review Paper Fluorine determination in geochemistry : errors in the electrode method of analysis K. Nicholson (Glasgow, Great Britain) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Research Papers Petrology of Futuna Island lavas (New Hebrides): an example of calc-alkaline magmatism associated with the initial stage of back-arc spreading G. Marcelot (Brest, France), C. Dupuy, M. Girod (Montpellier, France) and R.C. Maury (Brest, France) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Petrogenetic implications of tholeiitic basalt glasses from the East Pacific Rise and the Galfipagos Spreading Center H. Puchelt and R. Emmermann (Karlsruhe, Federal Republic of Germany) . . . . . A1/Cr ratios of coexisting pyroxenes and spinellids in some ultramafic rocks H.V. Eales and J.S. Marsh (Grahamstown, South Africa) . . . . . . . . . . . . . . . . . Les zircons des pegmatites de Narss~rssuk (Gro6nland) -- L'eau et les groupements OH dans les zircons m6tamictes) (Pegmatitic zircons from Narss~rssuk, Greenland -- Water and OH groups in metamict zircons) R. Caruba et Ph. Iacconi (Nice, France) . . . . . . . . . . . . . . . . . . . . . . . . . . . . Offshore Peruvian phosphorite: a reappraisal of its age and genesis J.M. McArthur (London, Great Britain) . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrocarbon and fatty acid distributions in Rostherne lake sediment (England) J.N. Cardoso, S.J. Gaskell, M.M. Quirk and G. Englinton (Bristol, Great Britain) . The use of B, Li and Sn in determining the origin of some sedimentary clays Christine Mosser (Strasbourg, France) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Origin of concretionary Mn--Fe-oxides in stream sediments of Maine, U.S.A. G.A. Nowlan, J.B. McHugh and T.D. Hessin (Denver, Colo., U.S.A.) . . . . . . . . . Heavy-metal adsorption by ferromanganese coatings on stream alluvium: natural controls and implications for exploration G.D. Robinson (Harrisonbourg, Va., U.S.A.) . . . . . . . . . . . . . . . . . . . . . . . . .

23

39 57

75 93 107 129 141

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Short Communication Mineralogical and biological controls on the Fe/Ca and Mn/Ca ratios of lacustrine carbonate allochems R.M. Owen and B.H. Wilkinson (Ann Arbor, Mich., U.S.A.) . . . . . . . . . . . . . . .

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Book Review Geochemical Exploration 1980 by A.S. Rose and H. Gundlach (Editors) -- P.L. Siems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Guide for Authors Research Papers Comparative study of oil shales and shale oils from the Mahogany Zone, Green River Formation (U.S.A.) and Kerosene Creek Seam, Rundle Formation (Australia) L.L. Ingram, J. Ellis, P.T. Crisp and A.C. Cook (Wollongong, N.S.W., Australia) .

0009-2541/83/0000--0000/$03.00

© 1983 Elsevier Scientific Publishing Company

185

366 Early diagenetic oxidation and maturation trends in organic matter extracted from Eocene chalks and cherts A. Bein and A. Sandler (Jerusalem, Israel) . . . . . . . . . . . . . . . . . . . . . . . . . . The determination of low concentrations of U, Th and K by XRF spectrometry D.A. Galson (Cambridge, Great Britain), B.P. Atkin and P.K. Harvey (Nottingham, Great Britain) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Abundance and behavior of thallium in the K-alkaline rocks from the Roccamonfina Volcano (Campania, southern Italy) G. Calderoni (Rome, Italy), B. Giannetti (Cassino, Italy) and U. Masi ( R o m e Italy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rare-earth element geochemistry and the origin of andesites and basalts of the Taupo Volcanic Zone, New Zealand J.W. Cole (Wellington, New Zealand), K.V. Cashman (Vancouver, Wash., U.S.A.) and P.C. Rankin (Lower Hutt, New Zealand) . . . . . . . . . . . . . . . . . . . . . . . Diapiric replenishment of magma chambers and triggering of volcanism in the Taupo Volcanic Zone, New Zealand P. Hodder (Hamilton, New Zealand) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Phosphorus in spring waters of the Taupo Volcanic Zone, North Island, New Zealand M.H. Timperley (Taupo, New Zealand) . . . . . . . . . . . . . . . . . . . . . . . . . . . . Geochemistry of Early Permian cold,water carbonates (Tasmania, Australia) C.P. Rao (Hobart, Tasmania, Australia) . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chemical weathering of the economic phosphates of Abu Tartur, Western Desert. Egypt A.M. E1-Kammar and E.Z. Basta (Giza, Egypt) . . . . . . . . . . . . . . . . . . . . . . . Leaching behaviour and electrical conductivity of natural rhyolite and modified synthetic rhyolites A.R. Allnatt, G.M. Bancroft, W.S. Fyfe, P.W.M. Jacobs, S.N. Karkhanis, P.J. Melling, A. Nishijima, C.S. Vempati (London, Ont., Canada) and J. Tait (Pinawa, Man., Canada) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Book

2t 3

22~

239

25:~i

275

28? 307

32l

329

Reviews

Igneous Crustal

Petrology Evolution

by C.J. Hughes -- J.H. Bourne . . . . . . . . . . . . . . . . . . . . . . .

359

by A.J. Tankard, M.P.A. Jackson, K.A. Eriksson, D.K. Hobday, D.R. Hunter and W.E.L. Minter (with a contribution by S.C. Eriksson) -- R.D. Schuiling . . . . Nuclear Waste Management Abstracts by R.A. Heckman and C. Minichino I-Ming Chou . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

362

Contents

365

Volume

of

Southern

38, 1983

Africa

..... 3 . 8 B i l l i o n

Years of Earth History

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

361