资源导刊·地球科技版
資源導刊·地毬科技版
자원도간·지구과기판
RESOURCES GUIDE·EARTH SCIENCE AND TECHNOLOGY
2014年
5期
8-11
,共4页
铅锌矿%地质特征%控矿因素
鉛鋅礦%地質特徵%控礦因素
연자광%지질특정%공광인소
Lead and zinc ore%geological characteristics%ore-controlling factors
云南省澜沧县南竹铅锌矿区地处扬子板块兰坪-思茅微板块的昌宁-孟连晚古生代裂谷带内,南竹铅锌矿体均产于元古界澜沧群惠民组二段上亚段的层间裂隙中,矿化与区域动力变质作用和热液变质作用关系密切。矿区内惠民组的云英片岩地层、强烈的硅化围岩蚀变及铁帽是该矿床的控矿因素。
雲南省瀾滄縣南竹鉛鋅礦區地處颺子闆塊蘭坪-思茅微闆塊的昌寧-孟連晚古生代裂穀帶內,南竹鉛鋅礦體均產于元古界瀾滄群惠民組二段上亞段的層間裂隙中,礦化與區域動力變質作用和熱液變質作用關繫密切。礦區內惠民組的雲英片巖地層、彊烈的硅化圍巖蝕變及鐵帽是該礦床的控礦因素。
운남성란창현남죽연자광구지처양자판괴란평-사모미판괴적창저-맹련만고생대렬곡대내,남죽연자광체균산우원고계란창군혜민조이단상아단적층간렬극중,광화여구역동력변질작용화열액변질작용관계밀절。광구내혜민조적운영편암지층、강렬적규화위암식변급철모시해광상적공광인소。
Lead-zinc?mine?in?Nanzhu?mine?of?Lancang?country,Yunnan?province?is?located?in?the?Yangtze?plate,?Lanping?-?Simao?micro-plate,?Changning?-?Menglian?Late?Paleozoic?rift?zone.?Nanzhu?lead-zinc?body?is?come?from?the?sub-second?section?of?Huimin?Formation,?its?mineralization?has?a?close?relationship?with?regional?dynamic?metamorphism?and?hydrothermal?metamorphism.?Mica?quartz?schist,?silicified?rock?alteration?and?gossan?in?Huimin?Formation?are?ore-controlling?factors?in?the?mine.