Advances in Earth Science ›› 1997, Vol. 12 ›› Issue (3): 247-252. doi: 10.11867/j.issn.1001-8166.1997.03.0247

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THE RECENT ADVANCES AND PROSPECTS OF THE STUDY ON DEEP-WATER  TRACTIVE CURRENT DEPOSITS

HE Youbin,LUO Shunshe,GAO Zhenzhong   

  1. Department of Geology,Jianghan Petroleum Institute,Jingzhou,Hubei   434102
  • Received:1996-08-12 Revised:1996-10-23 Online:1997-06-01 Published:1997-06-01

HE Youbin,LUO Shunshe,GAO Zhenzhong. THE RECENT ADVANCES AND PROSPECTS OF THE STUDY ON DEEP-WATER  TRACTIVE CURRENT DEPOSITS[J]. Advances in Earth Science, 1997, 12(3): 247-252.

 Deep-water tractive current deposits found include(1)contour current deposits and (2)internal-tide and’ internal-wave deposits.  This paper summarizes the past,present states and latest developments of the study on deep-water tractive current deposits,and points out the existing problems and prospects.  The study on contour current deposits started earlier and has obtained a series of achievements which mainly include:(1)the establishment of recognition criteria of contour current deposits,(2)the discovery and study of contourite drifts,and (3)the study of ancient contour current deposits.  The study of
internal-tide and internal-wave deposits started just recently. Now we have discovered and studied systematically some internal-tide and internal-wave deposits and recognized four types of facies,and have also established three types of sedimentary models.  The main problems existing in the study of deep-water tractive current deposits are(1)unequilibrium of the study of contour current deposits,(2) lack of detailed and systematic study on internal-tide and internal-wave depostits,(3) the reliability of recognition criteria of deep-water tractive current deposits,(4) the origin of large-scale sediment wave in deep-water,and(5)the study of diageneses and petroliferous of deep-water tractive current deposits.The significant progress will be obtained in the study of deep-water tractive current deposits with the solution of these problems.

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