A metasedimentary origin for gold deposits in the Dian-Qian-Gui "Golden Triangle" of Southwest China
文献类型：期刊论文
| 作者 | Li, Rucao3,4; Tan, Qinping5; Wang, Xiao-Lei3; Sun, Xiaoming2; Yang, Tao3; Xia, Yong5; Guan, Yue3; Feng, Yuzhou1 |
| 刊名 | ORE GEOLOGY REVIEWS
 |
| 出版日期 | 2023-08-01 |
| 卷号 | 159页码:12 |
| 关键词 | Metasedimentary origin Golden triangle Sulfur isotope Co Ni ratio Pyrite |
| ISSN号 | 0169-1368 |
| DOI | 10.1016/j.oregeorev.2023.105560 |
| 英文摘要 | The Dian-Qian-Gui "Golden Triangle" area of Southwest China hosts a large number of Au deposits. However, the sources of the ore-forming fluids are still controversial, hampering the formulation of a sound genetic model and effective ore prospecting. Here we investigate the sources of ore-forming fluids by an integrated study of in-situ sulfur isotope analyses and available trace element (e.g., Co and Ni) data for the pyrite in the "Golden Triangle" area. We find that the ore stage pyrites are featured by low Co/Ni ratios (mostly < 2), which is distinct from pyrite formed in magmatic-hydrothermal systems but resemble typical sedimentary pyrite. In addition, the significant variation (from-7.5 to +20.0%o) in sulfur isotopes (& delta;34S) of the ore stage pyrite in these deposits also support a sedimentary origin of the ore-forming fluids. Considering the difference in sulfur isotopic compositions of ore-stage pyrite and the sedimentary host rocks, we suggest the metasedimentary basement rocks (>500 Ma) in the area may have supplied most of the sulfur and gold for the ore-forming fluids during the Triassic orogenesis in the Dian-Qian-Gui "Golden Triangle" area of Southwest China. |
| WOS研究方向 | Geology ; Mineralogy ; Mining & Mineral Processing |
| 语种 | 英语 |
| WOS记录号 | WOS:001038336800001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/74586]  |
| 专题 | 中国科学院广州地球化学研究所 |
| 通讯作者 | Wang, Xiao-Lei |
| 作者单位 | 1.Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China 2.Sun Yat Sen Univ, Sch Marine Sci, Guangzhou 510006, Peoples R China 3.Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210023, Peoples R China 4.Shandong Univ Sci & Technol, Coll Earth Sci & Engn, Qingdao 266590, Peoples R China 5.Chinese Acad Sci, Inst Geochem, State Key Lab Ore Deposit Geochem, Guiyang 550002, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Rucao,Tan, Qinping,Wang, Xiao-Lei,et al. A metasedimentary origin for gold deposits in the Dian-Qian-Gui "Golden Triangle" of Southwest China[J]. ORE GEOLOGY REVIEWS,2023,159:12. |
| APA | Li, Rucao.,Tan, Qinping.,Wang, Xiao-Lei.,Sun, Xiaoming.,Yang, Tao.,...&Feng, Yuzhou.(2023).A metasedimentary origin for gold deposits in the Dian-Qian-Gui "Golden Triangle" of Southwest China.ORE GEOLOGY REVIEWS,159,12. |
| MLA | Li, Rucao,et al."A metasedimentary origin for gold deposits in the Dian-Qian-Gui "Golden Triangle" of Southwest China".ORE GEOLOGY REVIEWS 159(2023):12. |
入库方式： OAI收割
来源：广州地球化学研究所
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