Tracing the genesis of the Zhibula skarn deposit, Tibet, using Co, Te, Au and Ag occurrence
文献类型：期刊论文
| 作者 | Wang, Shuo3,4; Cao, Mingjian2,3,4; Li, Guangming2,3,4; Evans, Noreen J.1; Silang, Wangdui5; Qin, Kezhang2,3,4 |
| 刊名 | ORE GEOLOGY REVIEWS
 |
| 出版日期 | 2023-09-01 |
| 卷号 | 160页码:16 |
| 关键词 | Zhibula skarn deposit Co enrichment indicator Co -Te -Au -Ag occurrence Fluid condition LA-ICP-MS |
| ISSN号 | 0169-1368 |
| DOI | 10.1016/j.oregeorev.2023.105601 |
| 英文摘要 | The Zhibula skarn deposit is a Cu polymetallic deposit, located in Eastern Gangdese, Tibet. In recent years, research on this deposit has mainly focused on lithology, geochemistry, ore-forming fluid and mineralization age, whereas there has been a relative lack of focus on the occurrence of Co, Te, Au and Ag. Three paragenetic stages were distinguished based on mineralogy and textural relationships: Stage I prograde skarn with formation of garnet, pyroxene, magnetite and wollastonite; Stage II early retrograde skarn comprising garnet, tremolite and epidote; late retrograde Stage III characterized by various sulfides with chlorite, quartz and calcite. Photomicrographs and backscattered electron images of thin sections confirm that Co, Te, Au and Ag mineralization are usually associated with chalcopyrite and bornite, which developed during the late retrograde skarn stage (III). The independent Co mineral siegenite was identified along with isomorphous substitution of Co in sulfides and oxides. Compared with chalcopyrite (mean Co content = 10.8 & PLUSMN; 5.32 ppm, 10, n = 43), both pyrite and magnetite typically contain obviously higher Co contents (2454 & PLUSMN; 1837 ppm (10, n = 14) and 228 & PLUSMN; 49 ppm (10, n = 19), respectively). The correlations between Co and other elements indicate that Co replaced Fe in pyrite via isomorphous substitution. The mineral assemblage of independent Co, Te, Au and Ag minerals (siegenite, hessite, calaverite, petzite) with bornite and chalcopyrite also indicates coeval Co, Te, Au, Ag and Cu mineralization during the late retrograde stage. Assuming a Cu-Co precipitation temperature of - 300 degrees C (supported by previously published fluid inclusion microthermometric results), the mineral assemblage of siegenite and hessite with pyrite and galena reveals an ore-forming fluid logfTe2 of -14.9 to -8.3 and logfS2 of -11.4 to -10.5. The Zhibula deposit and the adjacent well-studied Qulong deposit have similar magmatic source characteristics and mantle-derived magma was likely involved in the formation of mineralization at Zhibula. Compared with previously published trace element data from other skarn deposits, chalcopyrite, pyrite and magnetite in the Zhibula skarn deposit have obviously higher Co contents (8 - 20 ppm, 1500 - 5000 ppm and 160 - 300 ppm, respectively). Accordingly, we propose that trace element analysis of these minerals can be used as a general indicator of Co enrichment in skarn deposits. |
| WOS关键词 | LA-ICP-MS ; GANGDESE BELT ; CU DEPOSIT ; HYDROTHERMAL EVOLUTION ; POLYMETALLIC DEPOSIT ; ELEMENT COMPOSITIONS ; COPPER-DEPOSIT ; CHINA EVIDENCE ; OS ISOTOPE ; FE DEPOSIT |
| 资助项目 | Second Tibetan Plateau Scientific Expedition and Research Program[2019QZKK0801] ; Ministry of Science and Technology National Key R&D Program of China[2022YFC2903503] ; National Natural Sciences Foundation of China[42122013] ; National Natural Sciences Foundation of China[92162102] ; National Natural Sciences Foundation of China[92162323] |
| WOS研究方向 | Geology ; Mineralogy ; Mining & Mineral Processing |
| 语种 | 英语 |
| WOS记录号 | WOS:001067759700001 |
| 出版者 | ELSEVIER |
| 资助机构 | Second Tibetan Plateau Scientific Expedition and Research Program ; Second Tibetan Plateau Scientific Expedition and Research Program ; Ministry of Science and Technology National Key R&D Program of China ; Ministry of Science and Technology National Key R&D Program of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research Program ; Second Tibetan Plateau Scientific Expedition and Research Program ; Ministry of Science and Technology National Key R&D Program of China ; Ministry of Science and Technology National Key R&D Program of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research Program ; Second Tibetan Plateau Scientific Expedition and Research Program ; Ministry of Science and Technology National Key R&D Program of China ; Ministry of Science and Technology National Key R&D Program of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research Program ; Second Tibetan Plateau Scientific Expedition and Research Program ; Ministry of Science and Technology National Key R&D Program of China ; Ministry of Science and Technology National Key R&D Program of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/110852]  |
| 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 | Cao, Mingjian |
| 作者单位 | 1.Curtin Univ, John De Laeter Ctr, Perth, WA 6945, Australia 2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China 3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Key Lab Mineral Resources, Inst Geol & Geophys, Beijing 100029, Peoples R China 5.Tibet Bur Geol Mineral Resources, 6 Geol Brigade, Tibet 851414, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Shuo,Cao, Mingjian,Li, Guangming,et al. Tracing the genesis of the Zhibula skarn deposit, Tibet, using Co, Te, Au and Ag occurrence[J]. ORE GEOLOGY REVIEWS,2023,160:16. |
| APA | Wang, Shuo,Cao, Mingjian,Li, Guangming,Evans, Noreen J.,Silang, Wangdui,&Qin, Kezhang.(2023).Tracing the genesis of the Zhibula skarn deposit, Tibet, using Co, Te, Au and Ag occurrence.ORE GEOLOGY REVIEWS,160,16. |
| MLA | Wang, Shuo,et al."Tracing the genesis of the Zhibula skarn deposit, Tibet, using Co, Te, Au and Ag occurrence".ORE GEOLOGY REVIEWS 160(2023):16. |
入库方式： OAI收割
来源：地质与地球物理研究所
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