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Rb-Sr geochronology of single gold-bearing pyrite grains from the Katbasu gold deposit in the South Tianshan, China and its geological significance
Dong, Leilei1,2; Wan, Bo1,2,3; Yang, Weizhong4; Deng, Chen1,2; Chen, Zhenyu1,2; Yang, Lei1,2; Cai, Keda5; Xiao, Wenjiao1,2,3,5
2018-09-01
发表期刊ORE GEOLOGY REVIEWS
ISSN0169-1368
卷号100页码:99-110
摘要The newly discovered Katbasu gold deposit in the South Tianshan region has a gold reserve of 76 t at an average grade of 3.84 g/t. It is the first large gold deposit in the central segment of the South Tianshan. Gold mineralization is hosted within granite, and is associated with potassic, phyllic and chloritic alteration. Gold-bearing pyrite occurs as disseminations in the host rock and as quartz-sulfide veins cross-cutting the potassic and phyllic alteration assemblage. Rubidium (Rb) - strontium (Sr) analyses on sericite within five individual pyrite grains from a phyllic alteration sample yield an isochron age of 322.5 +/- 6.8 Ma (MSWD = 3.2). The host granite has a SIMS U-Pb zircon age of 351.4 +/- 1.1 Ma (MSWD = 0.13). The Rb-Sr isochron age represents the mineralizing age of the Katbasu gold deposit, which significantly postdates the ore-hosting granite but is consistent with the age of regional porphyry type mineralization at similar to 320 Ma in the South Tianshan. Discovery of the Katbasu gold deposits indicates huge potential for gold exploration in the central segment of the South Tianshan as it is geologically similar to the western and eastern segments of the South Tianshan, which both host many world-class gold deposits. (C) 2016 Elsevier B.V. All rights reserved.
关键词West Tianshan Au deposit Late Carboniferous Rb-Sr Pyrite
DOI10.1016/j.oregeorev.2016.10.030
资助者National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS
关键词[WOS]PALEOZOIC TECTONIC EVOLUTION ; NW CHINA ; WESTERN TIANSHAN ; OROGENIC GOLD ; TECTONOMAGMATIC SETTINGS ; NORTHWESTERN CHINA ; EASTERN TIANSHAN ; TRACE-ELEMENT ; ORE-DEPOSITS ; CU DEPOSIT
语种英语
资助项目National Basic Research Program of China[2014CB448000] ; National Science Foundation of China[41390445] ; National Science Foundation of China[41672085] ; Youth Innovation Promotion Association CAS[2013047]
资助者National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS
WOS研究方向Geology ; Mineralogy ; Mining & Mineral Processing
WOS类目Geology ; Mineralogy ; Mining & Mineral Processing
WOS记录号WOS:000446285100007
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/89169
专题岩石圈演化国家重点实验室
通讯作者Wan, Bo
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Xinjiang Bur Geol & Mineral Explorat & Min, Geol Survey Party 1, Urumqi 830011, Peoples R China
5.Chinese Acad Sci, Xinjiang Res Ctr Mineral Resources, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China
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Dong, Leilei,Wan, Bo,Yang, Weizhong,et al. Rb-Sr geochronology of single gold-bearing pyrite grains from the Katbasu gold deposit in the South Tianshan, China and its geological significance[J]. ORE GEOLOGY REVIEWS,2018,100:99-110.
APA Dong, Leilei.,Wan, Bo.,Yang, Weizhong.,Deng, Chen.,Chen, Zhenyu.,...&Xiao, Wenjiao.(2018).Rb-Sr geochronology of single gold-bearing pyrite grains from the Katbasu gold deposit in the South Tianshan, China and its geological significance.ORE GEOLOGY REVIEWS,100,99-110.
MLA Dong, Leilei,et al."Rb-Sr geochronology of single gold-bearing pyrite grains from the Katbasu gold deposit in the South Tianshan, China and its geological significance".ORE GEOLOGY REVIEWS 100(2018):99-110.
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