Table Of Content

CHEMICAL i GEOLOGY Fee ISOTOPE GEOSCIENCE ELSEVIE Chemical Geology 115 (1994) 339-340 Contents Volume 115, 1994 VOL. 115, NO. 1/2 Letter Section The Earth’s missing xenon: A combination of early degassing and of rare gas loss from the atmosphere ee eT RIIEG: SlW II i disassindiscccdnccacckscnspambinsbicanunetnnchsnncsailéeleietinbbeanenbicauuhtiintceniehsainieebedenbininaessldishiasbinces l Research Papers Source compositions and melting processes in the Society and Austral plumes (South Pacific Ocean ): Element and isotope (Sr, Nd, Pb, Th) geochemistry ea ts Sicat rie ST ET. SIE IIT cic iaemtensideneesbmnninibedaisdnntnalabicnaaminsiininietdbistambasabdeebsadididimenbesileain 7 The aqueous geochemistry of the rare-earth elements and yttrium, 4. Monazite solubility and REE mobility in exhalative massive sulfide-depositing environments S.A. Wood and A.E. Williams-Jones................:ccccssseeeeeeeeseeeeeeeeee secu a kceeliiesaicenatlcecciela paeihlaleiagiiaiaalaneateaai e sitio 47 Analysis of geological materials for gold, platinum and palladium at low ppb levels by fire assay-ICP mass spectrometry EE dd ROE EIS = REN EN ACE IE Ne.) PONT EL Se eT NENT Te RED See Te 61 Geochemical characteristics of the recent sediments from the Sea of Marmara I a a lat Na cel ellen titan 73 Geochemical study of a crater lake: Pavin Lake, France — Identification, location and quantification of the chemical reactions in the lake Se rn fr, es Sr, OUNCE CE. OUI... scncgnecesns ee leaibn seit lebiesiiedianatene whnedondenhesincaubenteddbcuiaialiiin 103 Formation of hydrothermal carbonate in Lake Tanganyika, East-Central Africa I aU A I ie pill ednccei ian ie ealaadalbld aise meincanetntbeaadeliahsdiesial 117 Isotope Geoscience Section Research Papers Pb-Pb and U-Pb geochronology of carbonate rocks: an assessment Rg SERS SP RRC YOO DS ROPE Pee aT arn ee a aT aE ee RETO ON MS TTT 125 A laser microprobe, mass spectrometric study of Ar, Kr, K, Cl and Br in an “unconformity garnet”, associated fluid inclusions, staurolite and micas from Vermont, U.S.A. Sar UIITTIIIT 4 irhricdihssihtekri estncogibeddpcaa iin deste leh hse pcida lactam acleaadhaciiaeenbhddedlaniabnaniintinibabenleubiapdaninideaaadeamiiiba 153 Book Review Geology of the Otago Schist and Adjacent Rocks, Scale 1: 500,000, by N. Mortimer — S.R. Taylor...........cceeesseeseeeeeee 171 Ts isccisi nihc ieshah sein saiechecsbaedesnada shindipp ec cllcarebesietiiipaniP alates taadscnlindAetlainicinaeaewinaicnesanasicteanienlaaidenionnasaiciiaas 172 VOL. 115, NO. 3/4 Research Papers Crust and mantle contributions to granite genesis — An example from the Variscan batholith of Corsica, France, studied by trace-element and Nd-Sr-O-isotope systematics eS, SE: er LU sca ccncnsnsdbebensvanunesenecessebeshhtenssnonscosonsnesnsnienaisntbeeentineiiunrbuheinesionta 173 0009-2541/94/$07.00 © 1994 Elsevier Science B.V. All rights reserved SSDI 0009-2541 340 Contents Volume 115, 1994 / Chemical Geology 115 (1994) 339-340 Cl, Br and I in igneous standard rocks T. Shinonaga, M. Ebihara, H. Nakahara, K. Tomura and K.G. Heumann Experimental determination of the two-phase (liquid and vapour) region in water-alkali chloride binary systems at 500° and 600°C using synthetic fluid inclusions M. Dubois, A. Weisbrod and A. Shtuka Low-temperature alteration of the upper oceanic crust and the alkalinity budget of seawater A.J. Spivack and H. Staudigel A geochemical study of solid bitumen in an Eocene epithermal deposit; Owen Lake, British Columbia, Canada M. Mastalerz, M.L. Thomson, A. Stankiewicz, R.M. Bustin and A.J. Sinclair Review Paper Porosity enhancement during clastic diagenesis as a result of aqueous metal-carboxylate complexation: Experimental studies J.B. Fein Isotope Geoscience Section Research Papers A comprehensive U-Pb, Sm-Nd, Rb-Sr and *°Ar—*’Ar geochronological study on Guidong Granodiorite, southeast China: Records of multiple tectonothermal events in a single pluton 4Ar/°Ar analysis of K-feldspars from Cretaceous granitic rocks in Japan: Significance of perthitization in Ar loss K. Shibata, I. Kaneoka and S. Uchiumi Variabilité spatiale de la composition isotopique de l’eau ('*O, 7H) au sein des organes des plantes aériennes: 1. Approche en conditions contrélées (Spatial variation of the isotopic composition of water ('8O, 7H) in organs of aerophytic plants: 1. Assessment under laboratory conditions) T. Bariac, J. Gonzalez-Dunia, F. Tardieu, D. Tessier and A. Mariotti Variabilité spatio-temporelle de la composition isotopique de l’eau ('8O, 7H) dans le continuum sol-plante- atmosphére. 2. Approche en conditions naturelles (Spatial variation of the isotopic composition of water ('%O, 7H) in the soil-plant—atmosphere system. 2. Assessment under field conditions) T. Bariac, J. Gonzalez-Dunia, N. Katerji, O. Béthenod, J.M. Bertolini and A. Mariotti Book Reviews Introduction to the Petrology of Soils and Chemical Weathering, by D. Nahon — Y. Tardy Soil Gas and Related Methods for Natural Resources Exploration, by R.W. Klusman — G.M. Reimer Announcement