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Genesis of the Gaosong Sn-Cu deposit, Gejiu district, SW China: Constraints from in situ LA-ICP-MS cassiterite U-Pb dating and trace element fingerprinting
Guo, Jia1,2; Zhang, Rongqing1; Li, Congying3; Sun, Weidong3,4,5; Hu, Yongbin1; Kang, Deming6; Wu, Junde6
2018
Source PublicationORE GEOLOGY REVIEWS
Volume92Pages:627-642
SubtypeArticle
AbstractThe Gaosong Sn-Cu deposit in the Gejiu ore district, SW China, is a large cassiterite-sulfide deposit, hosting total ore reserves of 67.4 Mt @1.3% Sn and 19.0 Mt @1.1% Cu. Two types of mineralization developed in the deposit, i.e. cassiterite-sulfide ore within the proximal skarn in contact with the Gaofengshan biotite granite, and fault controlled stratiform-like cassiterite-iron oxide +/- sulfide ore in the distal carbonate country rock. Cassiterite grains are disseminated in both ores. In situ U-Pb dating of one cassiterite sample from the cassiterite-sulfide ore and two from the cassiterite-iron oxide +/- sulfide ore yielded weighted mean Pb-206/U-238 ages of 84.3 +/- 1.4 Ma, 85.1 +/- 1.0 Ma and 83.5 +/- 2.1 Ma, respectively. The three mineralization ages are consistent with the emplacement age of the Gaofengshan granite (85.8 +/- 0.6 Ma) within error, suggesting a close temporal link between tin mineralization and granitic magmatism.
KeywordCassiterite U-pb Dating Trace Element Fingerprinting Cathodoluminescence Gaosong Sn-cu Deposit Gejiu District
DOI10.1016/j.oregeorev.2017.11.033
Indexed BySCI
Language英语
WOS IDWOS:000424185700037
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/154354
Collection深海极端环境与生命过程研究中心
Affiliation1.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.Chinese Acad Sci, Ctr Deep Sea Res, Inst Oceanol, Qingdao 266071, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266071, Peoples R China
5.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
6.Yunnan Tin Grp, Gejiu 661400, Peoples R China
Recommended Citation
GB/T 7714
Guo, Jia,Zhang, Rongqing,Li, Congying,et al. Genesis of the Gaosong Sn-Cu deposit, Gejiu district, SW China: Constraints from in situ LA-ICP-MS cassiterite U-Pb dating and trace element fingerprinting[J]. ORE GEOLOGY REVIEWS,2018,92:627-642.
APA Guo, Jia.,Zhang, Rongqing.,Li, Congying.,Sun, Weidong.,Hu, Yongbin.,...&Wu, Junde.(2018).Genesis of the Gaosong Sn-Cu deposit, Gejiu district, SW China: Constraints from in situ LA-ICP-MS cassiterite U-Pb dating and trace element fingerprinting.ORE GEOLOGY REVIEWS,92,627-642.
MLA Guo, Jia,et al."Genesis of the Gaosong Sn-Cu deposit, Gejiu district, SW China: Constraints from in situ LA-ICP-MS cassiterite U-Pb dating and trace element fingerprinting".ORE GEOLOGY REVIEWS 92(2018):627-642.
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