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Article Navigation >  Acta Sedimentologica Sinica  > 2006  >  24(3): 309-320

LI Yong. Provenance Analysis and Drainage Evolution in Late Cenozoic Chengdu Basin on Eastern Margin of Tibetan Plateau[J]. Acta Sedimentologica Sinica, 2006, 24(3): 309-320.
Citation: LI Yong. Provenance Analysis and Drainage Evolution in Late Cenozoic Chengdu Basin on Eastern Margin of Tibetan Plateau[J]. Acta Sedimentologica Sinica, 2006, 24(3): 309-320.
shu

Provenance Analysis and Drainage Evolution in Late Cenozoic Chengdu Basin on Eastern Margin of Tibetan Plateau

  • National Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu 610059

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  • Corresponding author: LI Yong
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2006-06-10
  • Chengdu basin developed ahead of Longmen Shan along eastern margin of Tibetan Plateau, lying between the Longmen Shan and Longquan Shan. The filling in the basin include Dayi conglomerate, Yaan gravel layer and Late Pleistocene and Holocene gravel layer since 3.6Ma，and the sediments in the basin were derived from Longmen Shan with transverse drainage patterns. Based on results by the component analysis of gravel, heavy mineral and geochemistry of major elements in the sediments of Chengdu basin, we draw conclusion that there were two provenances and two paleorivers, one of them was paleoMinjiang, which developed in the northern part of the basin, another was paleoQingyijiang ,which developed in the southern part of the basin. According to the difference between Dayi conglomerate and modern fluvial deposit, we can infer Minjiang and Qinyijiang have changed their course after period of Dayi conglomerate deposition. 
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  • Received:  1900-01-01
  • Revised:  1900-01-01
  • Published:  2006-06-10

Provenance Analysis and Drainage Evolution in Late Cenozoic Chengdu Basin on Eastern Margin of Tibetan Plateau

  • National Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu 610059
    Corresponding author: LI Yong
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2006-06-10

Abstract: Chengdu basin developed ahead of Longmen Shan along eastern margin of Tibetan Plateau, lying between the Longmen Shan and Longquan Shan. The filling in the basin include Dayi conglomerate, Yaan gravel layer and Late Pleistocene and Holocene gravel layer since 3.6Ma，and the sediments in the basin were derived from Longmen Shan with transverse drainage patterns. Based on results by the component analysis of gravel, heavy mineral and geochemistry of major elements in the sediments of Chengdu basin, we draw conclusion that there were two provenances and two paleorivers, one of them was paleoMinjiang, which developed in the northern part of the basin, another was paleoQingyijiang ,which developed in the southern part of the basin. According to the difference between Dayi conglomerate and modern fluvial deposit, we can infer Minjiang and Qinyijiang have changed their course after period of Dayi conglomerate deposition. 

LI Yong. Provenance Analysis and Drainage Evolution in Late Cenozoic Chengdu Basin on Eastern Margin of Tibetan Plateau[J]. Acta Sedimentologica Sinica, 2006, 24(3): 309-320.
Citation: LI Yong. Provenance Analysis and Drainage Evolution in Late Cenozoic Chengdu Basin on Eastern Margin of Tibetan Plateau[J]. Acta Sedimentologica Sinica, 2006, 24(3): 309-320.
shu

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