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1、1000一569/2008/02403)2一8AetatrolieaSiniea(一56Pe咭岩石学报四川黑牛洞铜矿床磁黄铁矿的标型特征及成矿指示意义’,‘2汪名杰22“22,祝向平姚鹏徐金沙李建忠陈敏华唐高林,ann‘,,wAnieZ,eng,,na,,anongZnuaZann3ZHUXigPigNGMi盯YAoPXUJishLlJizhCHENMiHdTANGGa0Li.,1中国地质大学地球科学与资源学院北京10083.,2国土资源部成都地质矿产研究所成都61082.,3四川里伍铜业股份有限公司甘孜62620.oues,。、ee,
2、,1SehooltheEa凡hSeienceandResrcChinarsi妙of晓iBe乒叮100083ChinaofUn毗nces.e,,2e咭tirute010andMinralR“ourcesen君Ju6182inaChduInsof晓群Ch0()Ch...,3euanuner,t,anasihLi二Mii咭G$pCoLdGnzl626200Chi.一一,一20071222收稿2008一227改回,,,,,..ZhuXPWangMJYaoPXuJSLiJZChenMHandTangGL2008TyPomorPhieeharaet
3、eristiesofPyrrhotiteasan一.,oreingindieatoreiniudongeoPPerdePositAe勿勿gicaSin243:562一568formofHPe如ica《).AbstractTheeontentsofironinpyrhotiteintheHeiniudongeopperdepositsareinarangeof4243一45.58atom%deteetedby.usingteteeniqueo一rayenerispersivespeetetTheeompositionsotitearepl
4、otteonto“pyotite+pyrite”eahhfX爵drom叮ofPyrhdrhar.inteaamoe一systemotitesaesseeeteomdirenttypesoosareoexagonastetureeteine一rayhdi『fF5Allpyrh哪lldfTfefrefhlrudrmdbyXener盯ispersivespeetrometw·Aeeordingtotypomo甲hiestrueturaleharaeteristiesthatthepreseneeofa;InealingtextureinPyr
5、hotitedanteeoresponngaseneeofpyritetaeplaeeovertetemperaturangeto450℃,testetuaneompositionofdhdibkhre550℃hruredpyotiteinteeposit,eombinewiththeearaeteristieofseomoeeureneeofPyriteinos,ineatetattePeakmetamoerhhddhldredihh印hitemperatureshouldbehigherthan450℃.Pyrthotitemayb
6、egeneratedeitherbypreeipitatingfrommetalbearingfluidor/andbythereduetionofpyrite.epreseneeofgraphiteintheoresandaroesimpliesanintensiveuetiveeireumstaneeinmetamosm,Thwllklyred甲hiansurasowsounreuetiveeireumstanee.eassoeiationtourmaneotteaneaeoteneatestedifuhllbilityidThof
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8、etesearzones.whihproiddbydilhKeywospyrrotite;Heiniuongeoppereposit;u一tieeposit;Metamooseeposit;Ore一rmin
