A comprehensive overview on the origin of intrusive rocks and polymetallic mineralization in the Tongling ore-cluster region, lower Yangtze River Metallogenic Belt: Geological and geochemical constraints
文献类型:期刊论文
作者 | Wang, Yu4; Yang, Xiaoyong3,4; Deng, Jianghong1; Liu, Shasha2,4; Sun, Chao4; Hou, Qi4; Wang, Luojian4 |
刊名 | ORE GEOLOGY REVIEWS
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出版日期 | 2022-02-01 |
卷号 | 141页码:23 |
关键词 | Magmatism Petrogenesis Cu-Au deposit Metallogenesis Tongling ore-cluster region Lower Yangtze River metallogenic belt |
ISSN号 | 0169-1368 |
DOI | 10.1016/j.oregeorev.2021.104625 |
通讯作者 | Yang, Xiaoyong(xyyang@ustc.edu.cn) ; Deng, Jianghong(jhdeng0507@163.com) |
英文摘要 | The Tongling ore-cluster region is one of the most important Cu-Au polymetallic producers in the famous Lower Yangtze River Metallogenic Belt (LYRMB) in eastern China. The Cu-Au polymetallic ore deposits can be divided into four types, i.e., skarn, strata-bound hydrothermal, porphyry, and cryptobreccia, closely related to the Late Jurassic to Early Cretaceous magmatism. We summarize the geology of the Mesozoic Cu-Au deposits in Tongling, eastern China, and revisit the age distributions and geochemical characteristics of associated Mesozoic intrusions, by integrating a large number of published geochemical data (including major and trace elements for both early-stage and late-stage intrusions, whole-rock Sr-Nd-Pb isotopes, and zircon U-Pb age and Hf isotopes for early-stage intrusions), to reveal their sources and genesis. According to the U-Pb ages of intrusions, the main magmatic events in the area can be divided into two stages, i.e., 152-135 Ma and 135-124 Ma, respectively. The early-stage magmatism mainly produced Cu-Au mineralization-related dioritic intrusions, including pyroxene diorite-pyroxene monzodiorite, quartz diorite-quartz monzodiorite, and granodiorite, showing unobvious geochronological order. Geochemical data of Late Jurassic-Early Cretaceous intrusions from the early-stage magmatism suggest that they are all derived from a similar source composed of different proportions of slab-derived melt, metasomatized lithospheric mantle, and a lesser content of lower crust materials. Among them, the key differences lie in that more lower crust materials are incorporated in the source of intermediate-felsic rocks compared to intermediate-basic rocks. The late-stage magmatism produced a wide variety of rocks (diorite porphyry, syenite porphyry, granite porphyry, monzonite, and granite porphyry), which are related to Pb-Zn deposits. The late-stage igneous rocks may evolve from the early-stage rocks and have experienced fractional crystallization of apatite, ilmenite, and other minerals. Both early and late-stage magmatic events in the Tongling region were formed in the subduction setting, and corresponding to compression and extensional setting, respectively. Besides, the H-O isotopes of different kinds of minerals suggest that the ore-forming fluids of most ore deposits were mainly derived from the magma and mixed with a small amount of meteoric water in the late-stage mineralization. The S isotopes of sulfides show that the ore-forming materials come from the magma, accompanied by the addition of original sediments. |
资助项目 | National Natural Science Foundation of China[42030801] ; National Natural Science Foundation of China[42011540384] ; Key Research Program of the Chinese Academy of Sciences[ZDRW-CN-2021-3] |
WOS研究方向 | Geology ; Mineralogy ; Mining & Mineral Processing |
语种 | 英语 |
WOS记录号 | WOS:000766758500001 |
出版者 | ELSEVIER |
源URL | [http://ir.qdio.ac.cn/handle/337002/178146] ![]() |
专题 | 海洋研究所_深海极端环境与生命过程研究中心 |
通讯作者 | Yang, Xiaoyong; Deng, Jianghong |
作者单位 | 1.Chinese Acad Sci, Ctr Ocean Mega Sci, Inst Oceanol, Ctr Deep Sea Res, Qingdao 266071, Peoples R China 2.Bur Geol & Mineral Explorat Anhui Prov, Geol Team 321, Tongling 244033, Peoples R China 3.CAS Ctr Excellence Comparat Planetol, Hefei 230026, Peoples R China 4.Univ Sci & Technol China, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, Yu,Yang, Xiaoyong,Deng, Jianghong,et al. A comprehensive overview on the origin of intrusive rocks and polymetallic mineralization in the Tongling ore-cluster region, lower Yangtze River Metallogenic Belt: Geological and geochemical constraints[J]. ORE GEOLOGY REVIEWS,2022,141:23. |
APA | Wang, Yu.,Yang, Xiaoyong.,Deng, Jianghong.,Liu, Shasha.,Sun, Chao.,...&Wang, Luojian.(2022).A comprehensive overview on the origin of intrusive rocks and polymetallic mineralization in the Tongling ore-cluster region, lower Yangtze River Metallogenic Belt: Geological and geochemical constraints.ORE GEOLOGY REVIEWS,141,23. |
MLA | Wang, Yu,et al."A comprehensive overview on the origin of intrusive rocks and polymetallic mineralization in the Tongling ore-cluster region, lower Yangtze River Metallogenic Belt: Geological and geochemical constraints".ORE GEOLOGY REVIEWS 141(2022):23. |
入库方式: OAI收割
来源:海洋研究所
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