Major types and characteristics of Late Paleozoic ore deposits, East Tianshan, northwest China
Han CM(韩春明); Han, CM; Zhao, GC
刊名INTERNATIONAL GEOLOGY REVIEW
2003
卷号45期号:9页码:798-813
学科分类Geology
DOI10.2747/0020-6814.45.9.798
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China ; Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China
文章类型Article
英文摘要One of the largest and most important metallogenic provinces in China is the East Tianshan, where seven major types of Late Palcozoic metal deposits have been recognized: (1) porphyry-type Cu-Mo-(Au) ore; (2) volcanic Fe-Cu; (3) orogenic lode gold; (4) magmatic Cu-Ni sulfide; (5) epithermal gold; (6) volcanic hydrothermal Cu; and (7) skarn Cu-Ag. Tectonically, the development of these Late Paleozoic mineral deposits was closely associated with subduction and closure of the ancient Tianshan ocean, lying between the Tarim craton and the Junggar-Kazakhstan composite block. In Late Devonian to Early Carboniferous time, the northern edge of the Tarim craton existed as a passive continental margin, whereas the ancient Tianshan oceanic crust was subducted beneath the southern margin of the Junggar-Kazakhstan block, resulting in the formation of the Dananhu-Tousuquan magmatic are and associated porphyry-type Cu-Mo-(Au) deposits. In Middle Carboniferous time, the ancient Tianshan oceanic crust began to subduct beneath the northern margin of the Tarim craton, leading to the formation of the Aqishan-Yamansu magmatic arc and associated volcanic Fe-Cu deposits. In the Late Carboniferous, the ancient Tianshan ocean closed, and a continent-arc collision occurred, leading to the formation of the Tianshan orogen. Following collision, an extensional event, associated with the emplacement of voluminous ultramafic-mafic complexes and formation of a number of large- to medium-scale magmatic copper-nickel ore deposits, occurred along the Kangger suture zone. In Early Permian time, East Tianshan entered into a post-collision stage associated with widespread emplacement of granitoid bodies and within-plate volcanism, which led to the formation of hydrothermal copper deposits, skarn-type Cu-Ag deposits, post-orogenic gold deposits, and epithermal gold deposits.
类目[WOS]Geology
研究领域[WOS]Geology
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语种英语
WOS记录号WOS:000185729300003
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被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238514
专题中国科学院高能物理研究所_加速器中心_期刊论文
作者单位中国科学院高能物理研究所
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Han CM,Han, CM,Zhao, GC. Major types and characteristics of Late Paleozoic ore deposits, East Tianshan, northwest China[J]. INTERNATIONAL GEOLOGY REVIEW,2003,45(9):798-813.
APA 韩春明,Han, CM,&Zhao, GC.(2003).Major types and characteristics of Late Paleozoic ore deposits, East Tianshan, northwest China.INTERNATIONAL GEOLOGY REVIEW,45(9),798-813.
MLA 韩春明,et al."Major types and characteristics of Late Paleozoic ore deposits, East Tianshan, northwest China".INTERNATIONAL GEOLOGY REVIEW 45.9(2003):798-813.
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