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1、国际标准期刊编号1075-7015,矿床地质学,2008年,第50卷,第5号,第404–422页。©Pleiades出版有限公司，2008年。原文为俄文©E.E.Amplieva,2008年出版于GeologiyaRudnykhMestorozhdenii,2008年,第50卷，第5号，第459–480页。岩浆流体型海底沉积物矿床的例证—俄罗斯南乌拉尔塔尔干块状硫化物矿床E.E.Amplieva俄罗斯科学院矿床地质，岩石学，矿物学，地球化学研究所，Staromonetnyiper.35,莫斯科,俄罗斯1190
2、172008年5月20日收到文章摘要—ThesequenceoforebodyformationattheTalganmassivesulfidedeposit;morphologyofsulfideorebodies;mineralogy,texture,andstructureofore;chemicalcompositionofminerals;andfluidinclusionsandrelationshipsbetweenstableisotopes(S,C,O)insulfidesfromores
3、andcarbonaterocksarediscussed.ThedepositislocalizedintheUzel’gaorefieldofthenorthernMagnitogorskMegazone.ThesulfideoreishostedintheupperfelsicsequenceoftheMiddleDevonianKaramalytashFormation,composedofbasalt,basalticandesite,andrhyodacite.Orebodiesareirregu
4、larlenseslyingconformablywithhostrocks.Pyrite,chalcopyrite,sphalerite,andfahlorearethemajororeminerals;galena,bornite,andhematiteareofsubordinateabundance.Sulfidemineralizationbearsattributesofdepositionundersubseafloorconditions.Thecarbonateandrhyoliteinte
5、rlayersattheroofsoforebodiesandthesupraorelimestonesequenceservedasscreens.Zoningtypicalofmassivesulfidedepositswasnotestablished.Thestudyoffluidinclusionshasshownthatthetemperatureofthehydrothermalsolutionvariedfrom375to110°C.δ34S‰rangesfrom–2.4to+3.2‰inpy
6、rite,from–1.2to+2.8‰inchalcopyrite,andfrom–3.5to+3.0‰insphalerite(CDT).Theseparameterscorrespondtoanisotopiccompositionofmagmaticsulfurwithoutanotablepercentageofsulfatesulfur.δ13Candδ18Oofcarbonatesvaryfrom–18.1to+5.9‰(PDB)andfrom+13.7to+27.8‰(SMOW),respec
7、tively.Thecarbonandoxygenisotopiccompositionsofcarbonatesfromoresandhostrocksmarkedlydeviatefromthefieldofmarinecar-bonates;adeepsourceofcarbonissuggested.TheresultsobtainedshowthatthemainmassofpolysulfideoreattheTalgandepositwasformedbeneaththefloorofapale
8、oocean.Theore-formingsystemwasshort-livedanditsfunctioningdidnotgiverisetotheformationofzonalorebodies.Magmaticfluidplayedtheleadingroleinmineralformation.数字对象识别：10.1134/S1075701508050048引言塔尔干(Talgan)块
