| The Cretaceous of the Eastern Bangong-Nujiang Suture Zone (Tibet):Tectono-Sedimentation |
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| 作者姓名： | Pujun Wang Frank Mattern Werner Schneider Wanzhu Liu Shikai Li Cai Li |
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| 作者单位： | College of Earth Sciences，Jilin University，College of Geology，Berlin Free University，College of Geology，Braunschweig University，College of Earth Sciences，Jilin University，College of Earth Sciences，Jilin University，College of Earth Sciences，Jilin University Chanchun，130026 China，Berlin，D-12249 Germany，Braunschweig，D-38106 Germany，Chanchun，130026 China，Chanchun，130026 China，Chanchun，130026 China |
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| 基金项目： | DFG-Tibet-Projects SCHN 202/14-1 and attained with the assistance of the AvH. |
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| 摘 要： | 1IntroductionThe Tibet plateau consists of terranes which were accreted in a southward-younging succession from Late Permian to Mid-Eocene (Dewey etal., 1988; Mattern etal., 1998; Mattern and Schneider, 2000). The Songpan-Ganzi terrane was accreted to the Kunlun during Late Permian along Kunlun-Qin-ling suture. The Qiangtang block was added onto the Songpan-Ganzi terrane at the Jinsha suture dur-ing Late Triassic-Early Jurassic. The Lhasa block became attached to the Qia…
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The Cretaceous of the Eastern Bangong-Nujiang Suture Zone (Tibet):Tectono-Sedimentation |
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| Pujun Wang,Frank Mattern,Werner Schneider,Wanzhu Liu,Shikai Li,Cai Li.The Cretaceous of the Eastern Bangong-Nujiang Suture Zone (Tibet):Tectono-Sedimentation[J].Journal of Geoscientific Research in Northeast Asia,2003(1). |
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| Authors: | Pujun Wang Frank Mattern Werner Schneider Wanzhu Liu Shikai Li Cai Li College of Earth Sciences Jilin University Chanchun China College of Geology Berlin Free University Berlin D-Germany College of Geology Braunschweig University Braunschweig D-Germany |
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| Institution: | Pujun Wang 1,Frank Mattern 2,Werner Schneider 3,Wanzhu Liu 1,Shikai Li 1,Cai Li 1 1.College of Earth Sciences,Jilin University,Chanchun,130026China2. College of Geology,Berlin Free University,Berlin,D-12249Germany 3. College of Geology,Braunschweig University,Braunschweig,D-38106Germany |
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| Abstract: | The ophiolite-bearing Bangong-Nujiang zone (BNZ) traversing central Tibet from east to west separates the Qiangtang block in the north from the Lhasa block in the south. The Cretaceous of the area includes Chuanba Formation (K 1c ), Duoba Formation (K 1d ), Langshan Formation (K 1l ) and Jiangba Formation (K 2j ). The K 1c is composed of black shale, sandy pelite, siltstone, sandstone, coal beds and volcanic rocks, of shallow marine facies. The K 1 d consists of terrestrial siliciclastics intercalated with some calcareous sandstone beds bearing Orbitolina sp. indicating marine influence. The K 1j is carbonate platform deposits of shallow marine and lagoon. The K 2j is characterized by terrestrial thick massive red conglomerate. An active margin related to B-subduction zone is considered to be the geological setting of the Cretaceous sedimentation. |
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| Keywords: | Bangong-Nujiang suture zone Cretaceous sedimentology tectonics Tibet |
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