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Geology,geochemistry and genesis of Kafang copper deposit in Gejiu,Yunnan Province
Author(s): 
Pages: 830-844
Year: Issue:  3
Journal: Acta Petrologica Sinica

Abstract: 云南个旧是世界上最大的锡多金属矿田,卡房铜矿是个旧矿田主要的产铜区.卡房铜矿主要的矿床类型有两类:玄武岩层中或玄武岩与大理岩层间的似层状矿体以及花岗岩与围岩接触带矿体.围岩蚀变主要有夕卡岩化、阳起石化和金云母化.电子探针分析结果显示,卡房铜矿夕卡岩中的辉石主要为透辉石-钙铁辉石系列,石榴子石端元组分以钙铝榴石-钙铁榴石为主.流体包裹体及氢、氧同位素研究显示,从主成矿期到后成矿期,流体温度有显著降低...
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