Table Of Content

CHEMICAL GEOLOGY ISOTOPE GEOSCIENCE ELSEVIER Chemical Geology 155 (1999) 339-340 Contents Volume 155, 1999 Vol. 155, Nos. 1- CO a a a es ae Le a ee ee ae ae 5 ae ele a ee eS ae e e ea te i e ee a l Research Papers Low-temperature fluid—rock interaction—an isotopic and mineralogical perspective of upper crustal evolution, eastern flank of the Juan de Fuca Ridge (JdFR), ODP Leg 168 PEC EVAINCE, Fo See GENE CIRCE ani. &.co O28 dan 7e, 6 cee ae. ee ae SLE ER ELS SOONG Bre owe ee edible a 3 Mineralogical and geochemical features of sulfide chimneys from the MESO zone, Central Indian Ridge CP eters Ne nine ance EINER on oe ee ek een mid. 6 le ee Kiee myS e: le ROE ake Bae Gal 0 Bo ne le a oom Oot a eretens 29 Pb isotope study of black-smokers and basalts from Pito Seamount site (Easter microplate) ON Cea Ps BaireeO N aC eS EMIT a 4 6 vad le teodh sve ed hot Xe Siar ate ie ee a, US ened een 45 Geochemistry of a hydrothermal sediment core from the OBS vent-field, 21°N East Pacific Rise Ci; GCHAR i ERergey INE: Wes PAM BE Vee ERM oS 5c. ae Griese, daha dale, Suselwnt a Valea w/b Red eee wee eee 65 Comparing yttrium and rare earths in hydrothermal fluids from the Mid Atlantic Ridge: implications for Y and REE behaviour during near-vent mixing and for the Y /Ho ratio of Proterozoic seawater TUE ESRI OER a as, 6d ah ak Fes a ae a Tey BG Allele weW .8 ewe & le De oe epee aaa are ee laae tee 77 Hydrothermal rare earth elements mineralization in the Barra do Itapirapua carbonatite, southern Brazil: behaviour of selected trace elements and stable isotopes (C, O) PRD: Antiaie,/P. Motes. V, Euders; P, Doshi ai FEAV Giles. 6c hk ek wk hae bee wade wanenes 9] Rare earth element and isotope (C, O, Sr) characteristics of hydrothermal carbonates: genetic implications for dolomite-hosted talc mineralization at Gopfersgrun (Fichtelgebirge, Germany) Lb. Hecht: Ry Preiberver, 1A. Gila G, Grundmann and VA; Rosttsyi. soos oc oe 64 Ce Sek HEH Oe eS EROS 115 The Paleoproterozoic Dorlin gold deposit, French Guiana: genetic constraints of the stable isotope geochemistry Co Betauie sek Pen ate Ne PR OUNN 89 dhs hase ake eS Rid ebb aie ede oak Riee a alan’ eis eae ra 131 A fossil hydrothermal system or a source-bed in the Madiyi Formation near the Xiangxi Au-Sb-—W deposit, NW Hunan, PR China? Sac INNING DOMME 2 i acs am oe Sate ane A Boe wor kee aoe tes ca Maeda tae Kile ew tb eer eea ve niaeome ated Poa 151 Modeling coupled heat and mass transport applied to the hydrothermal system of the Upper Harz Mountains (Germany) Be Gi Ps ON os oa Svan fe 5 Wik ee Bo ee STE Ae ANS LE Ee CIOS RA ORE Re ra ee ela ee ae 171 Vol. 155, Nos. 3-4 Research Papers Trace element and Nd-Sr isotope constraints on origin of the Chifeng flood basalts, North China Behe PE Se VE NIE ITER ONINO So ig atm Ste, Sieh Dw ade osm ema a eRe taSe fate STR@eN ome orien ee. Soa ene aon 187 Crustal control in the genesis of Plio-Quaternary bimodal magmatism of the Main Ethiopian Rift (MER): geochemical and isotopic (Sr, Nd, Pb) evidence Se cneirg Oo, PRR ALON PE WENMIIOUN S620 Sg.a =a,+ n Svar: aie 909 \Oewd, B areas dow ofW ee le wealel enB ya owlal a eea an alw ee ena aaa 201 Crystal-chemical controls on rare-earth element concentrations in fossil biogenic apatites and implications for paleoenvironmental reconstructions oe Ree eR Oe7 CUEU Oe: UME Bes CHEMMNEIDS 5 Soy, Fi Ss oO, Gust, ahah 908i, Meg Ue SUla ea ONS are Mwy otw ah ie an aged 233 Interactions of calcareous suspended sediment with glacial meltwater: a field test of dissolution behaviour Ei; Pearce, JA; Kenlawee, be. PrmOwane ait WN. NCYOTOGE cc 5s oe 6 ce ww Swe Wie Md lene Sele a.@ & 9 ela-wid a as 243 340 Contents Volume 155, 1999 Geochemistry of the loessic sediments on Delhi ridge, eastern Thar desert, Rajasthan: implications for exogenic processes J.K. Tripathi and V. Rajamani . 265 Topographic development of the Southern pees aetated bait he isotopic composition of ahignaic chi y miners “a South Iska it New Zealand C.P. Chamberlain, M.A. Poage, D. Craw and R.C. Reynolds. ae at SER Re Se 979 The origin and evolution of Canadian Shield brines: evaporation or freezing of seawater? New lithium isotope and geochemical evidence from the Slave craton D.J. Bottomley, A. Katz, L.H. Chan, A. Starinsky, M. Douglas, I.D. Clark and K.G. Raven . 295 Isotope Geoscience Section Tc /Ru fractionation in the Oklo and Bangombe natural fission reactors, Gabon H. Hidaka, P. Holliger and F. Gauthier-Lafaye ve) Ww Book review Geomicrobiology: interactions between microbes and minerals K.O. Konhauset ~ ‘ontents of Volume 155, 1999 , ‘umulative Article index Volumes 144-152. 7 ‘umulative Author index Volumes 144—152 ‘umulative Subject index Volumes 144-152