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1、箄.4ifat产保职与刷用.她,.42016if8ifCONSERVATIONANDUTILIZATIONOFMINERALRESOURCESAug.2016矿产高效利用云南建水荒田铅锌矿床矿石矿物特征及成矿期次^杨涛，李峰，陈晶昌(昆期理工大学国土资源工程学院，云南昆明昍0〇93)摘要:虽然我:国爾锌矿床在各地质时代均有分布齐查、成矿作用髯杂隹样，但成矿地质財代及成矿期相对集中;，研究妒石矿物特
2、£对分析矿床成因、成矿作用以及找矿工作都有一定的帮助《通过对蓀田铅锌矿矿石矿物特征的系统研究衰:明，疏化矿中4属?广物生養为调镡矿及方铅矿，脉_#物戀为霄英:、方解石戾
3、=_石f氧化矿莅中金屢矿物谋矿、菊矿及异极矿为生，腺石矿物主要为石_s根据矿床地质#征、矿物共生组合以及矿物穿插交代关系#，确翁了主要矿物的生成顺序，葬将矿床划分为火山■积期、热液疏化物期和蠢:&期，萁中热液疏化物斯为主要成矿期，此外闪锌矿铅矿阶段的成矿温度为226~290冗之间，屬中温热液成l?V因此，露田铅锌矿:床羼火山沉积-:纖规后热麟加改造成霄。关键词;师矿物.特C;成矿期次;:簿:田铅锌矿中图分类号:P57_1;P572_文献标志码：B文章编号J001-0076(2016)04-0013-05D01：10.13779/J.cnki.isanlOOl-00
4、76.2016.04.003OreMineralCharacteristicsofHuangtianLead-ZincDepositinJianshuiofYunnanYANGTao，LIFeng，CHENLeichang(FacultyofLandResourceEngineering,KunmingUniversityofScienceandTechnology,Kunming650093,China)Abstract：AlthoughChinaslead-zincdepositsaredistributedinvariousgeologicalagewith
5、completetypeandcomplexmineralization,themetallogenicepochandmineralizationperiodarerelativelycentralized.Thusthestudyonoremineralcharacteristicsisofassistanceforanalysisofdepositgenesis,mineralizationandprospectingwork.ThroughsystematicstudyoforemineralcharacteristicsofHuangtianlead—z
6、incdeposit,itisfoundthatmainmetalmineralsofsulfideorearesphaleriteandgalena,andmainganguemineralsarequartz,dolomiteandcalcite;mainmetalmineralsofoxidizedorearesmithsonite,hemimorphiteandcerussite,andmainganguemineralisquartz.Accordingtogeologicalfeatures,mineralassociationandmineralme
7、tasomaticrelations,thegenerationsequenceofmainmineralsisdeterminedanddividedintovolcanicsedimentarystage,hydrothermalsulfidestageandsupergenestage.Hydrothermalsulfidestageisthemainmineralizationstage.Inaddition,mineralizationtemperatureofsphalerite-galenastageisabout226~290°C,whichbel
8、ongstomineralizationofmiddletemperaturehydrothermalfluid.Therefore,Huangtianlead—zincdepositistheresultofvolcanicsedimentationandpostmagmatichydrothermaltransformation.Keywords：oremineralcharacteristics;mineralizationstage;Huangtianlead-zincdeposit*收稿日期:2016-01-26基金项目：国家自然科学基金项目（41363
9、002)作
