摘要
金顶铅锌矿中天青石等矿物中流体包裹体主要为富液相的气液两相包裹体。包裹体均一温度、盐度,在热液成矿期石英-闪锌矿-黄铁矿阶段:70℃~220℃、3~5wt%NaCleq;闪锌矿-方铅矿-白铁矿-天青石阶段:240℃~350℃及12~18wt%NaCleq;天青石-方解石-石膏阶段:150℃~220℃、6~8wt%NaCleq。流体来源于东部逆冲-推覆作用将大气降水、古建造水挤出,形成混合流体,向西运移而盐度、温度升高、矿物质增加,沿构造有利部位汇聚,在有机质及构造应力作用下成矿。
The fluid inclusion in celestite,etc of Jinding Pb-Zn deposit is mainly the gas-liquid inclusion rich in liquid phase. The homogenization T,salinity are 70℃ ~ 220℃,3 ~ 5wt% NaCl eq in quartz-sphalerite-pyrite stage of hydrothermal metallogenesis period; 240; 240℃ ~ 350℃,12 ~ 18wt% NaCleq in sphalerite-galenite-jewstone-celestite stage; 150℃ ~ 220℃,6 ~ 8wt% NaCleq in celestite-calcite-gypsum stage; The fluid is originated from E,the thrust nappe compresses out the air precipitation,old formation water,forms the mixed fluid and migrates westward,salinity,T and mineral material increase,concentrate along advantageous place,metallogenesis takes place by the organism and stress process.
出处
《云南地质》
2017年第2期167-174,共8页
Yunnan Geology
基金
国土资源大调查专项
兰坪盆地典型矿区精细构造-岩相填图(编号:1212011121065)
