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Geology, Re-Os and U-Pb geochronology and sulfur isotope of the the Donggebi porphyry Mo deposit, Xinjiang, NW China, Central Asian Orogenic Belt
Han, Chunming1,2; Xiao, Wenjiao1,2; Su, Benxun1; Sakyi, Patrick Asamoah3; Ao, Songjian1; Zhang, Jien1; Zhang, Zhiyong1; Wan, Bo1,2; Song, Dongfang1; Wang, Zhongmei1; Zhao, Na1
2018-10-01
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
Volume165Pages:270-284
AbstractThe the Donggebi porphyry Mo deposit in the eastern section of the Eastern Tianshan Orogenic Belt in the Central Asian Orogenic Belt contains Mo metal reserves of 0.5 Mt. The deposit is hosted in Early Carboniferous metasedimentary rocks, namely; metasandstone, meta-sandy mudstone. Multiple hydrothermal activities have resulted in propylitic, phyllic, and argillic alteration in this deposit. Four stages (I-IV) of hydrothermal activity are identified. Stage I is represented by a mineral assemblage of K-feldspar, quartz and wolframite. Stage II consists of quartz + magnetite +pyrite chalcopyrite veinlets/veins with phyllic halos. Stage III consists of quartz + molybdenite + pyrite galena sphalerite chalcopyrite veins that are commonly related to phyllic alteration in the altered rocks. Stage IV has an assemblage of calcite + gypsum. Molybdenite mainly occurs in Stages III. Re-Os dating results for molybdenite samples from these two stages yielded an isochron age of 234.2 +/- 1.6 Ma (2o, MSWD = 0.25, n = 8). Porphyritic granites have a SIMS U-Pb zircon age of 236 Ma and it was probably related to the Triassic felsic magmatism in this area. Values of delta S-34 of sulfides range from 1.5%0 to 3.8%o, with an average value of 2.81 2.24%o (n = 22), reflecting a deep sulfur source. Most molybdenite samples have high delta S-34 values (>= 3.36%0) relative to other sulfide minerals (i.e., pyrite and chalcopyrite) of Stages I to III (delta S-34 = 1.5-3.8%o, n = 18). Based on the geological history and spatial-temporal distribution of the granitoids, it is proposed that the Mo deposits in the eastern part of the East Tianshan Orogenic Belt formed in a post-collision extensional setting in the Early Mesozoic.
KeywordRe-Os U-Pb The Donggebi porphyry Mo deposit Eastern Tianshan Orogenic Belt Central Asian Orogenic Belt
DOI10.1016/j.jseaes.2018.05.001
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; NSFC Project ; NSFC Project ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution ; Chinese State 973 Project ; Chinese State 973 Project ; Hong Kong RGC ; Hong Kong RGC ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Project ; NSFC Project ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution ; Chinese State 973 Project ; Chinese State 973 Project ; Hong Kong RGC ; Hong Kong RGC ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Project ; NSFC Project ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution ; Chinese State 973 Project ; Chinese State 973 Project ; Hong Kong RGC ; Hong Kong RGC ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Project ; NSFC Project ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution ; Chinese State 973 Project ; Chinese State 973 Project ; Hong Kong RGC ; Hong Kong RGC
WOS KeywordPHANEROZOIC CRUSTAL GROWTH ; EASTERN TIANSHAN ; CONTINENTAL GROWTH ; PALEOZOIC ACCRETIONARY ; COLLISIONAL TECTONICS ; GRANITOID MAGMATISM ; NORTHEASTERN CHINA ; NORTHWEST CHINA ; HIGHLY PRECISE ; TIEN-SHAN
Language英语
Funding ProjectNational Key R&D Program of China[2017YFC0601206] ; NSFC Project[41772078] ; NSFC Project[40725009] ; NSFC Project[40421303] ; NSFC Project[40572043] ; State Key Laboratory of Lithospheric Evolution ; Chinese State 973 Project[2001CB409801] ; Hong Kong RGC[7066/07P]
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; NSFC Project ; NSFC Project ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution ; Chinese State 973 Project ; Chinese State 973 Project ; Hong Kong RGC ; Hong Kong RGC ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Project ; NSFC Project ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution ; Chinese State 973 Project ; Chinese State 973 Project ; Hong Kong RGC ; Hong Kong RGC ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Project ; NSFC Project ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution ; Chinese State 973 Project ; Chinese State 973 Project ; Hong Kong RGC ; Hong Kong RGC ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Project ; NSFC Project ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution ; Chinese State 973 Project ; Chinese State 973 Project ; Hong Kong RGC ; Hong Kong RGC
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000449447300017
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/89466
Collection矿产资源研究院重点实验室
Corresponding AuthorHan, Chunming
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resource, Beijing 100029, Peoples R China
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
3.Univ Ghana, Dept Earth Sci, POB LG 58, Legon, Ghana
Recommended Citation
GB/T 7714
Han, Chunming,Xiao, Wenjiao,Su, Benxun,et al. Geology, Re-Os and U-Pb geochronology and sulfur isotope of the the Donggebi porphyry Mo deposit, Xinjiang, NW China, Central Asian Orogenic Belt[J]. JOURNAL OF ASIAN EARTH SCIENCES,2018,165:270-284.
APA Han, Chunming.,Xiao, Wenjiao.,Su, Benxun.,Sakyi, Patrick Asamoah.,Ao, Songjian.,...&Zhao, Na.(2018).Geology, Re-Os and U-Pb geochronology and sulfur isotope of the the Donggebi porphyry Mo deposit, Xinjiang, NW China, Central Asian Orogenic Belt.JOURNAL OF ASIAN EARTH SCIENCES,165,270-284.
MLA Han, Chunming,et al."Geology, Re-Os and U-Pb geochronology and sulfur isotope of the the Donggebi porphyry Mo deposit, Xinjiang, NW China, Central Asian Orogenic Belt".JOURNAL OF ASIAN EARTH SCIENCES 165(2018):270-284.
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