| 朱恺军,范宏瑞.江西金山金矿床层控成因的地质地球化学证据[J].地质找矿论丛,1991,(4):18-27 |
| 江西金山金矿床层控成因的地质地球化学证据 |
| GEOLOGICAL AND GEOCHEMICAL EVIDENCES FOR STRATABOUND GENESIS OF JINSHAN GOLD DEPOSIT IN JIANGXI PROVINCE |
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| DOI：10.6053/j.issn.1001-1412.1991.4. 002 |
| 中文关键词: 金山金矿 含金岩系 微量元素 同位素 矿床成因 |
| 英文关键词: |
| 基金项目: |
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| 摘要点击次数: 1105 |
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| 中文摘要: |
| 中元古界双桥山群上亚群是赣东北地区重要的含金建造,Au的背景含量为25.3ppb。金山金矿严格受该亚群第二段岩层的控制。矿床的微量元素和同位素特征反映了金山金矿成矿作用为区域性动力变质作用,成矿元素来自围岩,成矿热液为变质热液,同时有天水的加入。因此,金山金矿系在沉积作用形成初始富集的背景下,经变质热液改造而形成的金矿床。 |
| 英文摘要: |
| The middle Proterozic upper subgroup of Shuangqiaoshan group is an important Au-bearing formation which has content of gold about 25.3ppb. Jinshan gold deposit was located in the second section of the upper subgtoup of Shuangqiaoshan group. The characters of trace elements and stable isotopes of the gold deposit show that Jinshan gold depost was formed during the process of regional dynamometa-morphism, ore-forming element was provided by wall-rocks, ore-forming hydrothermal solutions were the mixtures of metamorphic solutions and heated meteoric water. Based on above facts, we can conclude that Jinshan gold deposit was formed by metamorphic solutions acting upon Au-bearimg formation. |
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