| Hercynian-Indosinian Sedimento-Tectonic Evolution of the Nanpanjiang Basin |
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| 作者姓名： | Qin Jianhu Wu Yinglin Yan Yangji and Zu ZhongfaResearch Center of Sedimentary and Energy Geology Chinese Academy of Geological Sciences Chengdu Sichuan |
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| 作者单位： | Qin Jianhua，Wu Yinglin，Yan Yangji and Zu ZhongfaResearch Center of Sedimentary and Energy Geology，Chinese Academy of Geological Sciences，Chengdu，Sichuan |
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| 摘 要： | Following the orogeny in the Early Palaeozoic, the tectonic evolution of the Nanpanjiang basin in the Hercynian-Indosinian stage constituted a complete Wilson Cycle, made up of the stages of early rifting (D-P1), late rifting and passive margin developement (P2-T1), and peripheral foreland basin developement (T2-T3). The REE data of the initial Early Triassic basalts from the southern part of the basin has verified the existence of the oceanic crust once in the basinal evolution. The basin developed into a foreland one in the Middle-Late Triassic, indicating that the Yangtze plate once collided with the Indo-Sinian plate along the Black River fracture zone.
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Hercynian-Indosinian Sedimento-Tectonic Evolution of the Nanpanjiang Basin |
| |
| Authors: | Qin Jianhu Wu Yinglin Yan Yangji and Zu ZhongfaResearch Center of Sedimentary and Energy Geology Chinese Academy of Geological Sciences Chengdu Sichuan |
| |
| Abstract: | Following the orogeny in the Early Palaeozoic, the tectonic evolution of the Nanpanjiang basin in the Hercynian-Indosinian stage constituted a complete Wilson Cycle, made up of the stages of early rifting (D-P1), late rifting and passive margin developement (P2-T1), and peripheral foreland basin developement (T2-T3). The REE data of the initial Early Triassic basalts from the southern part of the basin has verified the existence of the oceanic crust once in the basinal evolution. The basin developed into a foreland one in the Middle-Late Triassic, indicating that the Yangtze plate once collided with the Indo-Sinian plate along the Black River fracture zone. |
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| Keywords: | Nanpanjiang basin Hercynian-Indosinian stage rifting peripheral foreland basin |
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