| Evolution and Structural Style of Tianshan and Adjacent Basins， Northwestern China |
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| 作者姓名： | Lin Hefu |
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| 作者单位： | Lin Hefu(Eepartment of Energy Resources Geology，China University of Geosciences，Beijing 100083)Liang Huishe (Hebei College Of Geology，Shijiazhuang 050031)Cai Liguo(Eepartment of Energy Resources Geology，China University of Geosciepces，Beijing 100083 |
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| 摘 要： | ＥｖｏｌｕｔｉｏｎａｎｄＳｔｒｕｃｔｕｒａｌＳｔｙｌｅｏｆＴｉａｎｓｈａｎａｎｄＡｄｊａｃｅｎｔＢａｓｉｎｓ，ＮｏｒｔｈｗｅｓｔｅｒｎＣｈｉｎａ￥ＬｉｎＨｅｆｕ（ＥｅｐａｒｔｍｅｎｔｏｆＥｎｅｒｇｙＲｅｓｏｕｒｃｅｓＧｅｏｌｏｇｙ，ＣｈｉｎａＵｎｉｖ...
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Evolution and Structural Style of Tianshan and Adjacent Basins, Northwestern China |
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| Lin Hefu.Evolution and Structural Style of Tianshan and Adjacent Basins, Northwestern China[J].Journal of China University of Geosciences,1994(1). |
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| Authors: | Lin Hefu |
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| Abstract: | The Tianshan orogenic belt has a W-shape, composed of the V-shape Southern Tianshan and Northern Tianshan with different orogenic models .The Southern Tianshan broke off from the Sinian, forming a passive continental margin and ocean, and closed during Silurian and Devoaian. It belongs to the Wilson cycle orogenic model. The net duration is about 400 My.The Northern Tianshan began back-arc spreading during Devonian, forming the Devonian-Carboniferous marginal sea, and dosed during Late Carboaiferous. It belongs to the non-Wilson cycle orogeulc model or back-arc orogenic model. The duration is about 100 My .Deformation of the foreland fold-thrust belt occurred in two stages: in the early stage, folds and thrusts were formed by wedge-thrusting and lateral compression, while in the later stage, folds, gravitational normal faults and reveal faults were formed by the uplift of the Tianshan range and by gravity-gliding. |
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| Keywords: | composite orogeaic belt foreland basin foreland fold-thrust belt Tianshan |
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