新疆哈密小白石头钨钼矿床流体包裹体及矿床成因

陈叙安; 邓小华; 张静; 姜晓; 郑震; 吴艳爽; 岳素伟

doi:10.3799/dqkx.2018.171

Volume 43 Issue 9

Sep. 2018

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Article Navigation > Earth Science > 2018 > 43(9): 3086-3099

Chen Shu'an, Deng Xiaohua, Zhang Jing, Jiang Xiao, Zheng Zhen, Wu Yanshuang, Yue Suwei, 2018. Fluid Inclusions Constraints on the Origin of the Xiaobaishitou W-Mo Deposit in Hami, Xinjiang, NW China. Earth Science, 43(9): 3086-3099. doi: 10.3799/dqkx.2018.171

Citation:

Chen Shu'an, Deng Xiaohua, Zhang Jing, Jiang Xiao, Zheng Zhen, Wu Yanshuang, Yue Suwei, 2018. Fluid Inclusions Constraints on the Origin of the Xiaobaishitou W-Mo Deposit in Hami, Xinjiang, NW China. Earth Science, 43(9): 3086-3099. doi: 10.3799/dqkx.2018.171

Citation:

Chen Shu'an, Deng Xiaohua, Zhang Jing, Jiang Xiao, Zheng Zhen, Wu Yanshuang, Yue Suwei, 2018. Fluid Inclusions Constraints on the Origin of the Xiaobaishitou W-Mo Deposit in Hami, Xinjiang, NW China. Earth Science, 43(9): 3086-3099. doi: 10.3799/dqkx.2018.171

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Fluid Inclusions Constraints on the Origin of the Xiaobaishitou W-Mo Deposit in Hami, Xinjiang, NW China

doi: 10.3799/dqkx.2018.171

1.
School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China
2.
Beijing Institute of Geology for Mineral Resources, Beijing 100012, China
3.
No.6 Geological Survey Team, Bureau of Xinjiang Geology and Mineral Resources Development, Hami 839000, China
4.
Xinjiang Research Center for Mineral Resources, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
5.
Guangzhou College of South China University of Technology, Guangzhou 510800, China

Received Date: 2018-02-19
Publish Date: 2018-09-15

Abstract

Abstract

The Xiaobaishitou W-Mo deposit is one of the typical W-Mo deposits in North Xinjiang, located in the eastern Tianshan Orogen. The ore body mainly occurs in the contact zone between Triassic biotite granite and crystalline limestone of the Mesoproterozoic Kawabulag Group. However, the characteristics of metallogenic fluid and genetic type of the Xiaobaishitou deposit remain relatively unclear. Based on the ore textures, structures and mineral assemblages observed, it is inferred that the deposit has been formed in a five-stage hydrothermal process, namely dry skarn, wet skarn, oxide, sulfide and carbonate stages. Scheelite and molybdenite occurred in oxide and sulfide stages, respectively. Microthermometric data show that the ore fluid system evolved from CO₂-rich, probably magmatic hydrothermal to CO₂-poor, meteoric fluid. The microthermometric results also suggest that metal precipitation resulted from fluid mixing and cooling. Here we propose that the Xiaobaishitou W-Mo deposit may be a skarn mineral system.
- Xiaobaishitou W-Mo deposit,
- skarn deposit,
- fluid inclusions,
- eastern Tianshan orogen,
- ore deposit geology

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References(68)

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Fluid Inclusions Constraints on the Origin of the Xiaobaishitou W-Mo Deposit in Hami, Xinjiang, NW China

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