Knowledge Management System Of Institute of Oceanology, Chinese Academy of Sciences
Genesis of tin-dominant polymetallic deposits in the Dachang district, South China: Insights from cassiterite U-Pb ages and trace element compositions | |
Guo, Jia1,2; Zhang, Rongqing1,3; Sun, Weidong4,5,6; Ling, Mingxing6,7; Hu, Yongbin1; Wu, Kai1,2; Luo, Ming8; Zhang, Lichuan8 | |
2018-04-01 | |
发表期刊 | ORE GEOLOGY REVIEWS |
ISSN | 0169-1368 |
卷号 | 95页码:863-879 |
通讯作者 | Zhang, Rongqing(rqzhang@nju.edu.cn) ; Ling, Mingxing(mxling@gig.ac.cn) |
摘要 | The Dachang tin-dominant polymetallic district in western South China, hosts a total reserve of 110 Mt ore @ 1% Sn, 3-5% by-products of Zn, Pb, Sb, In and Cu, and 100 to 300 g/t Ag. Economic tin orebodies in the district mainly developed in Devonian limestone, black shale and siliceous rocks, as massive/stratiform and vein/ stockwork mineralization. LA-ICP-MS U-Pb dating on seven cassiterite samples from the Tongkeng-Changpo and Gaofeng Sn-Zn-Pb deposits, and the Dafulou, Huile and Kangma Sn-Zn deposits, yields weighted mean Pb-206/U-238 ages ranging from 90.3 +/- 1.8Ma to95.4 +/- 4.9 Ma. These dates are significantly younger than the Devonian ore-hosted strata, but agree well with the previously published zircon U-Pb ages of 96.6-93.9 Ma for the Longxianggai biotite granite within analytical uncertainties, showing a close temporal link between the granitic magmatism and tin mineralization. Cassiterite grains from various ore types in the Dachang district show clear growth zonations as reflected from their cathodoluminescence images. LA-ICP-MS trace element analyses of cassiterite grains indicate that they have relatively high Ti, Fe and W but low Nb and Ta contents, which corresponds to the clear luminescencing. Chemical variations of cassiterite from different ore types, i.e. cassiterite-sulfide ores and cassiterite-bearing quartz veins, are indistinguishable, except for more enriched Fe in cassiterite from cassiterite-quartz veins. Combined with Cretaceous U-Pb ages, elevated Fe and W contents of cassiterite suggest tin-dominant polymetallic deposits in the Dachang district were formed in a granite-related magmatic-hydrothermal system controlled by the Longxianggai biotite granite, precluding their syngenetic origin. |
关键词 | Cassiterite U-Pb dating Trace element fingerprinting Dachang tin-dominant polymetallic district South China |
DOI | 10.1016/j.oregeorev.2018.03.023 |
收录类别 | SCI |
语种 | 英语 |
资助项目 | National Key R&D Program of China[2016YFC0600408] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB18020102] ; National Natural Science Foundation of China[41702092] ; Guangdong Natural Science Funds[2014A030306032] ; Guangdong Natural Science Funds[2015TQ01Z611] ; Youth Innovation Promotion Association CAS[2016315] ; National Key R&D Program of China[2016YFC0600408] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB18020102] ; National Natural Science Foundation of China[41702092] ; Guangdong Natural Science Funds[2014A030306032] ; Guangdong Natural Science Funds[2015TQ01Z611] ; Youth Innovation Promotion Association CAS[2016315] |
WOS研究方向 | Geology ; Mineralogy ; Mining & Mineral Processing |
WOS类目 | Geology ; Mineralogy ; Mining & Mineral Processing |
WOS记录号 | WOS:000432760500047 |
出版者 | ELSEVIER SCIENCE BV |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.qdio.ac.cn/handle/337002/159348 |
专题 | 深海极端环境与生命过程研究中心 |
通讯作者 | Zhang, Rongqing; Ling, Mingxing |
作者单位 | 1.Chinese Acad Sci, Guangzhou Inst Geochem, CAS Key Lab Mineral & Metallogeny, Guangzhou 510640, Guangdong, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Nanjing Univ, State Key Lab Mineral Deposits Res, Sch Earth Sci & Engn, Nanjing 210023, Jiangsu, Peoples R China 4.Chinese Acad Sci, Inst Oceanol, Ctr Deep Sea Res, Qingdao 266071, Peoples R China 5.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266071, Peoples R China 6.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China 7.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Isotope Geochem, Guangzhou 510640, Guangdong, Peoples R China 8.China Tin Grp, Liuzhou 545000, Peoples R China |
推荐引用方式 GB/T 7714 | Guo, Jia,Zhang, Rongqing,Sun, Weidong,et al. Genesis of tin-dominant polymetallic deposits in the Dachang district, South China: Insights from cassiterite U-Pb ages and trace element compositions[J]. ORE GEOLOGY REVIEWS,2018,95:863-879. |
APA | Guo, Jia.,Zhang, Rongqing.,Sun, Weidong.,Ling, Mingxing.,Hu, Yongbin.,...&Zhang, Lichuan.(2018).Genesis of tin-dominant polymetallic deposits in the Dachang district, South China: Insights from cassiterite U-Pb ages and trace element compositions.ORE GEOLOGY REVIEWS,95,863-879. |
MLA | Guo, Jia,et al."Genesis of tin-dominant polymetallic deposits in the Dachang district, South China: Insights from cassiterite U-Pb ages and trace element compositions".ORE GEOLOGY REVIEWS 95(2018):863-879. |
条目包含的文件 | ||||||
文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
Genesis of tin-domin(4234KB) | 期刊论文 | 出版稿 | 限制开放 | CC BY-NC-SA | 浏览 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论