| The Genesis of Lincang Germanium Deposit—A Preliminary Investigation |
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| 引用本文： | 胡瑞忠,叶造军,等.The Genesis of Lincang Germanium Deposit—A Preliminary Investigation[J].中国地球化学学报,1996,15(1):44-50. |
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| 作者姓名： | 胡瑞忠 叶造军 |
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| 作者单位： | [1]InstituteofGeochemistry,ChineseAcademyofSciences,Guiyang,550002 [2]InstituteofGeochemistry,ChineseAcadem |
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| 摘 要： | The mechanism of formation of the Lincang germanium deposit is discussed in the light of the spatial distribution of Ge-rich coal and siliceous rocks,the sulfur isotopic composition of pyrite in the Ge-rich coal,the variation of Ge abundance in the coal seams and the geochemical characteristics of the siliceous rocks.The results show that the siliceous rocks intercalated with the coal seamw were deposited from a hyrothermal medium through which germanium was enriched in the coal beds.The primary source of germanium is thought to be the Gerich granite in the basement of the sedimentary basin.
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| 关 键 词： | 成因 锗矿床 硅酸盐岩 热液沉积作用 地质构造 |
The genesis of Lincang germanium deposit — A preliminary investigation |
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| Ruizhong Hu,Xianwu Bi,Zaojun Ye,Wenchao Su.The genesis of Lincang germanium deposit — A preliminary investigation[J].Chinese Journal of Geochemistry,1996,15(1):44-50. |
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| Authors: | Ruizhong Hu Xianwu Bi Zaojun Ye Wenchao Su |
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| Institution: | 1. Institute of Geochemistry, Chinese Academy of Sciences, 550002, Guiyang
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| Abstract: | The mechanism of formation of the Lincang germanium deposit is discussed in the light of the spatial distribution of Ge-rich coal and siliceous rocks, the sulfur isotopic composition of pyrite in the Ge-rich coal, the variation of Ge abundance in the coal seams and the geochemical characteristics of the siliceous rocks. The results show that the siliceous rocks intercalated with the coal seams were deposited from a hydrothermal medium through which germanium was enriched in the coal beds. The primary source of germanium is thought to be the Ge-rich granite in the basement of the sedimentary basin. |
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