Xinjiang Petroleum Geology ›› 1996, Vol. 17 ›› Issue (4): 358-362.

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DATING OF SUBSURFACE BACHU FORMATION AND DONGHE SANDSTONE INTERVAL IN TABEI UPLIFT

Zou Yisheng   

  1. Research Centre of Exploration and Development, Tarim Petroleum Exploration and Development Headquarters , Korla, Xinjiang , 841000
  • Received:1996-04-04 Online:1996-12-01 Published:2020-07-24
  • About author:Zou Yisheng , Professor of Engineering, Petroleum Geology

Abstract: Correlating the subsurface Bachu formation with outcropped Bachu formation in Tabei uplift,it is considered that three sequences of subsurface Bachu formation deposited in Tounaisian period of Early Carboniferous, equivalent to the interval from outcropped upper Bachu formation to Kalasayi formation and the bottom of Xiaohaizi formation, while outcropped Bachu formation deposited in early Tounaisian period of Early Carboniferous. Donghe sandstone interval is considered to be a part of Upper Devonian.

Key words: Tarim basin, Tabei uplift, Carboniferous, Bachu formation, Donghe sandstone interval, Stratigraphic correlation