印度尼西亚Ciemas浅成低温热液金矿“三位一体”成矿系统
摘要
金马石(Ciemas)金矿区位于印度尼西亚西爪哇省,其产出地质背景为巽他弧火山岩带。矿体赋存于中新世安山岩、英安岩,和石英闪长玢岩。为了探讨矿床成因和相应的成矿意义,我们详细研究了这些矿床的地质特征、岩相学、地球化学、同位素和流体包裹体分析。研究结果简要概括为以下几个方面:矿石类型包括斑岩、石英-硫化物脉、构造蚀变岩;含矿围岩石英闪长玢岩、角闪质凝灰角砾岩和安山岩中的锆石LA-ICP-MS U-Pb定年结果分别为17.1±0.4Ma,17.1±0.4Ma,17.5±0.3Ma;
出处
《矿物学报》
CAS
CSCD
北大核心
2015年第S1期1094-1095,共2页
Acta Mineralogica Sinica
基金
国家自然科学基金项目(批准号:41573039)
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