| 杨昌华,佘中明,陈书富.云南堂上金矿床成因探讨[J].矿产勘查,2013,4(4):387-394 |
| 云南堂上金矿床成因探讨 |
| Discussion on genesis of Tangshang gold deposit in Yunnan |
| 投稿时间：2012-10-10 |
| DOI： |
| 中文关键词: 热水沉积 堂上金矿 云南 矿床成因 |
| 英文关键词: deposit genesis thermal water sedimentation Tangshang gold deposit Yunnan |
| 基金项目: |
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| 中文摘要: |
| 堂上金矿位于滇东南地区,研究显示矿床由同生热水作用形成矿源层或低品位矿床,有后期构造热液作用叠加富集,主成矿作用主要发生在燕山晚期。金矿床的形成经历了长期复杂的地质演化过程,大致可分为3个期次:矿源层形成期—构造热液叠加富集期—次生氧化富集期,具有多期次、多成因的特点。堂上金矿具有热水沉积,后期次热液改造叠加成矿的特点,矿床成因属热水沉积—构造热液叠加成因。 |
| 英文摘要: |
| The Tangshang gold deposit is located in the southeastern Yunnan. The study result shows that the deposit formed by two stages of processes. The mineralization-source bed or low-grade layers was formed by the early syngenetic hot-water deposition, then super-imposited or enriched by the late-stage hydrothermal fluid. The gold mineralization mainly occurs in late Yanshanian period. The Tangshang gold deposit has gone through a long and complex geological evolutionary history, which can be divided into three phases:source bed formation stage, hydrothermal enrichment stage during structure activity, and oxidation enrichment stage. The Tangshang gold deposit has the characteristics of multiple ore-forming stages and multi-genesis, and belongs to the gold deposit of “thermal water sedimentation and hydrothermal fluid superposition and transformation along interstratified fracture zone”. |
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