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Article Navigation >  Acta Sedimentologica Sinica  > 2007  >  25(1): 75-81

LI Hong. Primary Study on the Origin of Lacutrine Dolostones of Permian, Sangtanghu Basin, Xinjiang[J]. Acta Sedimentologica Sinica, 2007, 25(1): 75-81.
Citation: LI Hong. Primary Study on the Origin of Lacutrine Dolostones of Permian, Sangtanghu Basin, Xinjiang[J]. Acta Sedimentologica Sinica, 2007, 25(1): 75-81.
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Primary Study on the Origin of Lacutrine Dolostones of Permian, Sangtanghu Basin, Xinjiang

  • State Key Laboratory of Continental Dynamics(Northwest University), Xi'an 710069

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  • Corresponding author: LI Hong
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2007-02-10
  • The origin of dolostones discussed by means of thin sections staining, trace elements analyzing and isotopes testing, which existed together with lucutrine dark mudstone of Lucaogou Formation, middle Permian, Santanghu Basin. The Lucaogou dolostones were composed of lamellar algal dolostone and patchy dolostone. The characteristics of trace elements and stable isotopes indicated that the dolostones formed in the sedimentary environment with higher salinity, higher Ma/Ca ratio and strong reducibility. By analyzing the source of magnesium ion of Lucaogou dolostones, two types of origin were proposed. Lamellar algal dolostone was formed in quasicontemporaneous phase, and patchy dolostone formed with leaching dolomitization of volcanic material in burial diagenetic phase.
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  • Received:  1900-01-01
  • Revised:  1900-01-01
  • Published:  2007-02-10

Primary Study on the Origin of Lacutrine Dolostones of Permian, Sangtanghu Basin, Xinjiang

  • State Key Laboratory of Continental Dynamics(Northwest University), Xi'an 710069
    Corresponding author: LI Hong
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2007-02-10

Abstract: The origin of dolostones discussed by means of thin sections staining, trace elements analyzing and isotopes testing, which existed together with lucutrine dark mudstone of Lucaogou Formation, middle Permian, Santanghu Basin. The Lucaogou dolostones were composed of lamellar algal dolostone and patchy dolostone. The characteristics of trace elements and stable isotopes indicated that the dolostones formed in the sedimentary environment with higher salinity, higher Ma/Ca ratio and strong reducibility. By analyzing the source of magnesium ion of Lucaogou dolostones, two types of origin were proposed. Lamellar algal dolostone was formed in quasicontemporaneous phase, and patchy dolostone formed with leaching dolomitization of volcanic material in burial diagenetic phase.

LI Hong. Primary Study on the Origin of Lacutrine Dolostones of Permian, Sangtanghu Basin, Xinjiang[J]. Acta Sedimentologica Sinica, 2007, 25(1): 75-81.
Citation: LI Hong. Primary Study on the Origin of Lacutrine Dolostones of Permian, Sangtanghu Basin, Xinjiang[J]. Acta Sedimentologica Sinica, 2007, 25(1): 75-81.
shu

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