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| 赣南谢坊萤石矿CaF2与围岩钙氟特征及成矿意义 |
| Characteristics and ore-forming significance of CaF2 of fluorite ore and calcium, fluoride of wall rock in Xiefang, Gannan |
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| DOI： |
| 中文关键词: 钙氟含量;萤石;围岩;赣南谢坊 |
| 英文关键词: calcium and fluoride content; fluorite ore; wall rock; Xiefang, Gannan |
| 基金项目:国家自然科学基金资助项目(41001123);江西省教育厅科技资助项目(GJJ13075);江西省重大科研专项计划资助项目(20124ABE02104) |
| 作者 | 单位 | | 杨明生1,杨永锋2,赖劲虎1 | 1.南昌大学 资源环境与化学工程学院,江西 南昌 330047
2.华南农业大 学理学院,广东 广州 510642 |
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| 中文摘要: |
| 对赣南谢坊萤石矿床萤石CaF2和围岩的钙、氟元素进行了系统检测,分析发现矿井萤石含量与围岩的钙、氟含量具有良好的相关性,表明谢坊萤石的钙氟成矿物源来自矿床围岩.谢坊萤石矿的形成是通过地热水环流汲取围岩Ca,F元素,在合适的断裂空间沉淀析出萤石,形成典型的热液成矿萤石.谢坊萤石矿床围岩的w(Ca)/w(F)大于萤石,显示热液成矿过程中存在Ca的剩余,F元素对成矿起决定作用. |
| 英文摘要: |
| The CaF2 of fluorite ore, Ca and F of wall rock in Xiefang fluorite deposit have been determined systematically, and this paper analyzes the relationship between CaF2, Ca and F, which shows a good correlation, indicating that the sources of Ca and F are the wall rock of the deposit. The geothermal fluid melts the wall rock, then much Ca and F gets into the geothermal fluid, and finally, the fluorite ore is formed in the rock fracture, which is typical of hydrothermal mineralization. The value of Ca/F of the rock is bigger than that of the fluorite ore, which reveals that the Ca is superabundant during the hydrothermal mineralization, and F plays a decisive role in ore-forming. |
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