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Article Navigation >  Acta Sedimentologica Sinica  > 1995  >  13(S1): 27-37

Cai Jingong, Jiang Xiufang, Fan Cuntang. Basin Evolution and Distribution of Lacustrine Systems in Middle and Upper Eocene,Dongying Basin[J]. Acta Sedimentologica Sinica, 1995, 13(S1): 27-37.
Citation: Cai Jingong, Jiang Xiufang, Fan Cuntang. Basin Evolution and Distribution of Lacustrine Systems in Middle and Upper Eocene,Dongying Basin[J]. Acta Sedimentologica Sinica, 1995, 13(S1): 27-37.
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Basin Evolution and Distribution of Lacustrine Systems in Middle and Upper Eocene,Dongying Basin

  • Geological Research Institute,Shengli Petroleum Administration Dongying 257015

  • Publish Date: 1995-12-10
  • The sedimentary cycle in the middle and upper Eocene of Dongying basin is distinguished into five subsequences (DSI -DS5), six types of depositional systems and eleven factes, and divided into three evolution periods from bottom to top.Carbonatite system is extensively developed in the salt lake period (DS1) ; All types of sedimentary systems in the salt and deep lake period (DS2-DS3), however, lacustrine and gravity flow systems is mainly developed ; Delta and fluvial systems in fresh and shallow lake period (DS4-DS5).Sediments in gentle slope is thin, evolving from carbonatite to littoral-shallow lacustrine and fluvial factes sandstones. Sediments in steep slope is thick, evolving from pluvial fan factes sandy conglomerate to delta factes and braided delta factes sandstones. It represent asymmetry of the filling and evolution of the halfgraben basin. The delta system developed along the axis of the basin and prograded basinwards,resulting in the migration of the depocentre from east to west and forming main basin filling.
  • [1] 1.Van Wagoner J. C. et al.，1990, Siliciclastic sequence stratigraphy in well logs, cores, and outcrops: concepts for high 一resolution correlation of time and facies, AAPG methous in exploration servies, No. 7.

    2.Hamblin A. P.，1992, Half-graben lacustrine sedimentary rocks of the lower carboniferous strathlorne formation, Hor- ton Group, Cape Breton Island, Nova Scotia, Canada. Sedimentology, V. 39, p. 263一284.
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  • Published:  1995-12-10

Basin Evolution and Distribution of Lacustrine Systems in Middle and Upper Eocene,Dongying Basin

  • Geological Research Institute,Shengli Petroleum Administration Dongying 257015
  • Publish Date: 1995-12-10

Abstract: The sedimentary cycle in the middle and upper Eocene of Dongying basin is distinguished into five subsequences (DSI -DS5), six types of depositional systems and eleven factes, and divided into three evolution periods from bottom to top.Carbonatite system is extensively developed in the salt lake period (DS1) ; All types of sedimentary systems in the salt and deep lake period (DS2-DS3), however, lacustrine and gravity flow systems is mainly developed ; Delta and fluvial systems in fresh and shallow lake period (DS4-DS5).Sediments in gentle slope is thin, evolving from carbonatite to littoral-shallow lacustrine and fluvial factes sandstones. Sediments in steep slope is thick, evolving from pluvial fan factes sandy conglomerate to delta factes and braided delta factes sandstones. It represent asymmetry of the filling and evolution of the halfgraben basin. The delta system developed along the axis of the basin and prograded basinwards,resulting in the migration of the depocentre from east to west and forming main basin filling.

Cai Jingong, Jiang Xiufang, Fan Cuntang. Basin Evolution and Distribution of Lacustrine Systems in Middle and Upper Eocene,Dongying Basin[J]. Acta Sedimentologica Sinica, 1995, 13(S1): 27-37.
Citation: Cai Jingong, Jiang Xiufang, Fan Cuntang. Basin Evolution and Distribution of Lacustrine Systems in Middle and Upper Eocene,Dongying Basin[J]. Acta Sedimentologica Sinica, 1995, 13(S1): 27-37.
shu

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