| Re-Os Dating of Galena and Sphalerite from Lead-Zinc Sulfide Deposits in Yunnan Province, SW China | |
Yingying Liu; Liang Qi ; Jianfeng Gao; Lin Ye; Zhilong Huang; Jiaxi Zhou
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| 通讯作者 | Liang Qi |
| 2015 | |
| 发表期刊 | Journal of Earth Science
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| 卷号 | 26期号:3页码:343-351 |
| 摘要 | Dating of lead-zinc deposits is of critical importance for better understanding of ore genesis, but has long been a big challenge due to the lack of suitable minerals that can be unequivocally linked to the ore genesis and that can be used for tradition radiometric methods. This kind of deposits have simple mineralogy dominated by galena and sphalerite commonly associated with calcite and other gangue minerals. Both galena and sphalerite have low and high variable Re concentrations and thus Re-Os dating of these minerals have been less promising. In addition, the recovery of Re is extremely low for galena when conventional method was applied, lending additional difficulty in precisely dating galena. In this study, we investigate the recovery of Re using different media for anion exchange separation and reporte a revised preparation method for Re-Os dating of galena and sphalerite. By using the new protocol, two reliable Re-Os isochron ages of galena and sphalerite from the Fule (20.4 +/- 3.2 Ma) and Laochang (308 +/- 25 Ma) Pb-Zn deposits in Yunnan Province, SW China, are achieved. |
| 关键词 | 方铅矿 闪锌矿 中国西南地区 云南省 硫化物矿床 等时线年龄 离子交换分离 铅锌矿床 |
| 学科领域 | 矿床地球化学 |
| 语种 | 英语 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.gyig.ac.cn/handle/352002/5928 |
| 专题 | 矿床地球化学国家重点实验室_矿床地球化学国家重点实验室_期刊论文 矿床地球化学国家重点实验室 |
| 通讯作者 | Liang Qi |
| 推荐引用方式 GB/T 7714 | Yingying Liu,Liang Qi,Jianfeng Gao,et al. Re-Os Dating of Galena and Sphalerite from Lead-Zinc Sulfide Deposits in Yunnan Province, SW China[J]. Journal of Earth Science,2015,26(3):343-351. |
| APA | Yingying Liu,Liang Qi,Jianfeng Gao,Lin Ye,Zhilong Huang,&Jiaxi Zhou.(2015).Re-Os Dating of Galena and Sphalerite from Lead-Zinc Sulfide Deposits in Yunnan Province, SW China.Journal of Earth Science,26(3),343-351. |
| MLA | Yingying Liu,et al."Re-Os Dating of Galena and Sphalerite from Lead-Zinc Sulfide Deposits in Yunnan Province, SW China".Journal of Earth Science 26.3(2015):343-351. |
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