| 赵得龙,何 碧,苏雅拉吐.南秦岭东风沟—照化山地区重晶石地球化学特征及地质意义[J].甘肃地质,2025,(2):14-22 |
| 南秦岭东风沟—照化山地区重晶石地球化学特征及地质意义 |
| Geochemistry ｏf Barite Deposit ｉn Dongfenggou?鄄Zhaohuashan Area ｏf ｔhe Southern Qinling Mountains |
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| DOI： |
| 中文关键词: 东风沟—照化山地区 重晶石矿 地球化学特征 流体包裹体 全岩X射线衍射特征 |
| 英文关键词:barite deposit geochemistry fluid parcel -ray diffraction features ongfenggou -Zhaoshan area |
| 基金项目:南秦岭文—康成矿带重晶石矿成矿规律研究项目（T15-1-LQ10）、敦煌地块北缘红柳河金矿床黄铁矿特征及成矿机制研究项目（24JRRA752）、老矿山深边部找矿预测项目（2024KS02）联合资助 |
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| 中文摘要: |
| 南秦岭东风沟—照化山地区重晶石矿床主要赋存于震旦系—寒武系地层中，层控特征明显，东西向断裂为主要的含矿控矿构造。为了探讨南秦岭东风沟—照化山地区重晶石矿的地球化学特征、成矿流体来源，本文选取了东风沟、照化山两个具有代表性的重晶石矿床，对其地质特征和主量元素、微量元素、稀土元素、硫同位素、流体包裹体和全岩X射线衍射特征进行了研究。微量元素和稀土元素特征均显示，重晶石矿床与围岩在成矿物质来源上有着密切的联系。矿石的δEu、δCe异常指示了成矿热流体和较低温的海水发生了混合作用。综合区域地质资料，研究区重晶石矿床为热液成因，成矿物质来自沉积岩地层。 |
| 英文摘要: |
| South Qinling Dongfenggou-Zhaochashan region heavy crystal stone mines are mainly existing in the Zhendan-Cambrian strata. The characteristics of layers of control are obvious. In order to explore the global chemical characteristics and sources of mineral fluids in the Dongfenggou -Zhaoshan area of the South Qinling Mountain area, this article selects two representative heavy crystal stone mines, Dongfenggou and Zhaoshan Mountain, to its geological characteristics and The main quantity elements, trace elements, rare earth elements, sulfur isotope, fluid parcel and full rock X -ray diffraction characteristics have been studied. The characteristics of trace elements and rare earth elements show that the heavy crystal mines are closely related to the source of minerals. Ore's ΔEU and ΔCE abnormalities indicate mixed effects of mineral thermal fluids and lower temperature seawater. Comprehensive regional geological data, the research area heavy crystal stone mine is the cause of thermal fluid. The minerals come from the sedimentary rock layer. |
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