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  2. 地质与地球物理研究所
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  4. 中国科学院矿产资源研究重点实验室
Ore-forming processes in the Xingjiashan W-Mo skarn deposit (Jiaodong, China): Insights from multi-generation scheelite and garnet geochemistry

文献类型：期刊论文

作者Liu, Shuang-Liang1,2; Hu, Fang-Fang1,2,3; Fan, Hong-Rui1,2,3; Yang, Kui-Feng1,2,3; Qiu, Zheng-Jie1; Hu, Huan-Long1,2
刊名ORE GEOLOGY REVIEWS
出版日期2020-09-01
卷号124页码:19
关键词Scheelite W-Mo skarn deposit Xingjiashan Jiaodong
ISSN号0169-1368
DOI10.1016/j.oregeorev.2020.103645
英文摘要The Xingjiashan W-Mo skarn deposit in the Jiaodong Peninsula, eastern China, is hosted by the Paleoproterozoic metamorphic rocks and Mesozoic granitic stock. Four generations of scheelite (Sch-1, Sch-2, Sch-3, Sch-4) were recognized based on their occurrences, mineral paragenesis, fluorescence and texture. The Mo contents (MoO3) of scheelite show a decrease from 30.9 to 4.1% (Sch-1) to 2.24-0.11% (Sch-2), then to 0.44-0% (Sch-3), finally with an increase to 1.11-0.85% (Sch-4). Garnet grains, disseminated in ores, show a decrease of andradite contents (44.1-25.5%) from the core to rim. These variations of composition in scheelite and garnet indicate that the ore-forming fluids evolved from relatively oxidizing to reducing condition, then back to oxidizing condition at the end of W mineralization. At least two-stage Mo precipitation events happened within the deposit, and the changing redox state played a key role in Mo mineralization. Partial Mo firstly incorporated into scheelite to form high-Mo scheelite at the prograde stage, and then was released from scheelite crystal, precipitated as molybdenite at the retrograde stage. The relatively constant Y/Ho ratio among different generations of scheelite suggests that the ore-forming fluids responsible for Sch-1 to Sch-4 were derived from a single hydrothermal system, and probably lack of fluid mixing event during the ore-forming process. Varieties of REE patterns in scheelite can reflect the crystallization of REE-enriched minerals (garnet, epidote and scheelite) during the oreforming process. A geochemical and textural model in terms of the different generation scheelite is established to reveal the ore-forming process at Xingjiashan.
WOS关键词U-PB AGE ; GOLD DEPOSITS ; TRACE-ELEMENTS ; POLYMETALLIC DEPOSIT ; TUNGSTEN DEPOSIT ; NORTH CHINA ; RE-OS ; MINERALIZATION ; CONSTRAINTS ; PROVINCE
资助项目National Key Research and Development Program[2016YFC0600105] ; National Natural Science Foundation of China[41772080]
WOS研究方向Geology ; Mineralogy ; Mining & Mineral Processing
语种英语
WOS记录号WOS:000564283500001
出版者ELSEVIER
资助机构National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/97799]  
专题地质与地球物理研究所_中国科学院矿产资源研究重点实验室
通讯作者Fan, Hong-Rui
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Shuang-Liang,Hu, Fang-Fang,Fan, Hong-Rui,et al. Ore-forming processes in the Xingjiashan W-Mo skarn deposit (Jiaodong, China): Insights from multi-generation scheelite and garnet geochemistry[J]. ORE GEOLOGY REVIEWS,2020,124:19.
APA Liu, Shuang-Liang,Hu, Fang-Fang,Fan, Hong-Rui,Yang, Kui-Feng,Qiu, Zheng-Jie,&Hu, Huan-Long.(2020).Ore-forming processes in the Xingjiashan W-Mo skarn deposit (Jiaodong, China): Insights from multi-generation scheelite and garnet geochemistry.ORE GEOLOGY REVIEWS,124,19.
MLA Liu, Shuang-Liang,et al."Ore-forming processes in the Xingjiashan W-Mo skarn deposit (Jiaodong, China): Insights from multi-generation scheelite and garnet geochemistry".ORE GEOLOGY REVIEWS 124(2020):19.

入库方式： OAI收割

来源：地质与地球物理研究所

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