Oil & Gas Geology ›› 2009, Vol. 30 ›› Issue (5): 589-597,607.doi: 10.11743/ogg20090509

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Tectonic-pooling cycles controlled by polycyclic tectonism in the Mesozoic-Palaeozoic marine strata of South China

Mei Lianfu1, Liu Zhaoqian1, Tang Jiguang2, Shen Chuanbo1, Fan Yuanfang3   

  1. 1. Key Laboratory of Tectonics and Petroleum Resources, Ministry of Education, China University of Geosciences, Wuhan, Hubei 430074, China;
    2. Yangtze University, Jingzhou, Hubei 434023, China;
    3. Xi'an Shiyou University, Xi'an, Shannxi 710065, China
  • Received:2009-06-12 Online:2009-10-25 Published:2012-01-16

Abstract:

China's superimposed basins and relic basins feature in complex transformation of tectonic frameworks and multiple cyclicity.The evolution history of marine basins in Southern China represents a typical polycyclic movement.Their development and present status are characterized by basin superimposition and tectonic reworking.Based on the direct influences and key control of the tectonic dynamic differences and their temporal and spatial variations on hydrocarbon accumulation and its cyclicity in the marine strata in Southern China,the authors suggest that the hydrocarbon pooling in the polycyclic superimposed or relic basins in Southern China feature in "tectonic-pooling cyclicity".Based on correlation of tectonic cycles and hydrocarbon pooling cycles,hydrocarbon pooling in the Mesozoic-Palaeozoic marine strata can be divided into four tectonic-pooling cycles,namely the Caledonian,the late Indosinian-early Yanshan,the late Yanshan-early Himalayan and the late Himalayan cycles.Further study reveals that each tectonic-poolying cycle has its unique hydrocarbon accumulation and distribution controlled by its tectonic cycle.

Key words: Tectonic-pooling cycle, polycyclic tectonism, Mesozoic-Palaeozoic, South China

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