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Article Navigation >  Acta Sedimentologica Sinica  > 1994  >  12(2): 77-85

Zhu Rukai, Wang Xianghua, Ge Ming. Mixed Deep-Water Gravity Current Sedimentary Sequences of Middle-Ordovician Series in the East Margin of Bayanhaote Basin[J]. Acta Sedimentologica Sinica, 1994, 12(2): 77-85.
Citation: Zhu Rukai, Wang Xianghua, Ge Ming. Mixed Deep-Water Gravity Current Sedimentary Sequences of Middle-Ordovician Series in the East Margin of Bayanhaote Basin[J]. Acta Sedimentologica Sinica, 1994, 12(2): 77-85.
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Mixed Deep-Water Gravity Current Sedimentary Sequences of Middle-Ordovician Series in the East Margin of Bayanhaote Basin

  • 1 Geology Deparment of Peking University, Beijing, 100871;

  • 2 China University of Geoscience, Beijing, 100083

  • Publish Date: 1994-06-10
  • The authors have identified a series of mixed thick deep-water gravity current sediments in Ying taogou Formation of middle-Ordovician in the east margin of Bayanhavte basin,It included carbonate slump breccias,graded fine conglomerates,sandy gravels, dassic turbidites, grey-green shales etc. Carbonate slump breccias were formed in clastic-skirt, which located under proximal sea-bottom near to fault steep cliff, and terrigenous turbidite were originated from paleo-weathered crust by turbidity current. By studying the vertical sequence,the authors consider that this Formation are generally represented a H grade cycle,corresponding to a second crust rising-falling cycle, which formed during the period when aulacogen subsided deepestly and were mainly defined by paleostructure.And each conplex of terrigenous sediment and infrobasinal sediment represented a grade cycle,corresponding to a low-graded sea-level-charnging cycle.
  • [1] 中国石油学会石油地质专业委员会编译，1986。国外浊积扇和扇三角洲研究，石油工业出版社。
    [2] 林畅松，杨起等,1991,贺兰拗拉槽早古生代深水重力流体系的沉积特征和充填样式。现代地质，5(3):252~262,
    [3] 孟祥化，葛铭，1991，内源沉积研究，石油工业出版社。
    [4] 孟样化，葛铭，1989，沉积建造格架分析，岩相古地理，(6)。
    [5] 郑昭昌，李玉珍,1991,贺兰山奥陶系研究的新进展，现代地质，5(2);119~137.
    [6] 张抗,1989,鄂尔多斯断块构造和资源，陕西科学技术出版社，西安.
    [7] Cook H. E. and Enes p(edit)，1983, Deep-water carbonate environments, spec. pulls soc econ palent miner tulsa.
    [8] Greger P. Eberli, 1987, Carbonate turbidite sequences deposited in the Jurassic Tethy Ocean (eastern ALPSSwitzer Land) Sedimentology. Vol. 34，No.2, p. 363^388.
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  • Published:  1994-06-10

Mixed Deep-Water Gravity Current Sedimentary Sequences of Middle-Ordovician Series in the East Margin of Bayanhaote Basin

  • 1 Geology Deparment of Peking University, Beijing, 100871;
  • 2 China University of Geoscience, Beijing, 100083
  • Publish Date: 1994-06-10

Abstract: The authors have identified a series of mixed thick deep-water gravity current sediments in Ying taogou Formation of middle-Ordovician in the east margin of Bayanhavte basin,It included carbonate slump breccias,graded fine conglomerates,sandy gravels, dassic turbidites, grey-green shales etc. Carbonate slump breccias were formed in clastic-skirt, which located under proximal sea-bottom near to fault steep cliff, and terrigenous turbidite were originated from paleo-weathered crust by turbidity current. By studying the vertical sequence,the authors consider that this Formation are generally represented a H grade cycle,corresponding to a second crust rising-falling cycle, which formed during the period when aulacogen subsided deepestly and were mainly defined by paleostructure.And each conplex of terrigenous sediment and infrobasinal sediment represented a grade cycle,corresponding to a low-graded sea-level-charnging cycle.

Zhu Rukai, Wang Xianghua, Ge Ming. Mixed Deep-Water Gravity Current Sedimentary Sequences of Middle-Ordovician Series in the East Margin of Bayanhaote Basin[J]. Acta Sedimentologica Sinica, 1994, 12(2): 77-85.
Citation: Zhu Rukai, Wang Xianghua, Ge Ming. Mixed Deep-Water Gravity Current Sedimentary Sequences of Middle-Ordovician Series in the East Margin of Bayanhaote Basin[J]. Acta Sedimentologica Sinica, 1994, 12(2): 77-85.
shu

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