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Article Navigation >  Acta Sedimentologica Sinica  > 2007  >  25(1): 29-38

ZHUO Hongchun. Characteristics of Sedimentary Facies and Sequence Boundary in Upper Cretaceous QingshankouYaojia Formation of Northern Songliao Basin[J]. Acta Sedimentologica Sinica, 2007, 25(1): 29-38.
Citation: ZHUO Hongchun. Characteristics of Sedimentary Facies and Sequence Boundary in Upper Cretaceous QingshankouYaojia Formation of Northern Songliao Basin[J]. Acta Sedimentologica Sinica, 2007, 25(1): 29-38.
shu

Characteristics of Sedimentary Facies and Sequence Boundary in Upper Cretaceous QingshankouYaojia Formation of Northern Songliao Basin

  • Department of Earth Sciences, State Key Laboratory of Ore Genesis,Nanjing University, Nanjing 210093

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  • Corresponding author: ZHUO Hongchun
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2007-02-10
  • Qingshankou and Yaojia Formation developed delta and lacustrine facies along the long axis of the basin during the period of depression. Qingshankou Formation consists of littoral lake, shallow lake and semideep lake facies. Yaojia Formation consists of delta plain, delta front and prodelta facies. Base on analyses of drilling cores, from the top of Quantou Formation to the top of Yaojia Formation can be divided into 6 sequences, and corresponding to 7 sequence boundaries. One of the sequence boundaries is supersequence boundary. Sequence boundary is characterized by paleosol, erosional surface, calcareous nodules, and truncation. Generally, oolitic limestone, bioclastic limestone, worm boring and pyrite develop above the sequence boundary.
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Publishing history
  • Received:  1900-01-01
  • Revised:  1900-01-01
  • Published:  2007-02-10

Characteristics of Sedimentary Facies and Sequence Boundary in Upper Cretaceous QingshankouYaojia Formation of Northern Songliao Basin

  • Department of Earth Sciences, State Key Laboratory of Ore Genesis,Nanjing University, Nanjing 210093
    Corresponding author: ZHUO Hongchun
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2007-02-10

Abstract: Qingshankou and Yaojia Formation developed delta and lacustrine facies along the long axis of the basin during the period of depression. Qingshankou Formation consists of littoral lake, shallow lake and semideep lake facies. Yaojia Formation consists of delta plain, delta front and prodelta facies. Base on analyses of drilling cores, from the top of Quantou Formation to the top of Yaojia Formation can be divided into 6 sequences, and corresponding to 7 sequence boundaries. One of the sequence boundaries is supersequence boundary. Sequence boundary is characterized by paleosol, erosional surface, calcareous nodules, and truncation. Generally, oolitic limestone, bioclastic limestone, worm boring and pyrite develop above the sequence boundary.

ZHUO Hongchun. Characteristics of Sedimentary Facies and Sequence Boundary in Upper Cretaceous QingshankouYaojia Formation of Northern Songliao Basin[J]. Acta Sedimentologica Sinica, 2007, 25(1): 29-38.
Citation: ZHUO Hongchun. Characteristics of Sedimentary Facies and Sequence Boundary in Upper Cretaceous QingshankouYaojia Formation of Northern Songliao Basin[J]. Acta Sedimentologica Sinica, 2007, 25(1): 29-38.
shu

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