Characteristics and age of a Proterozoic buried hill reservoir in the northern Shaya uplift of the Tarim Basin
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    Abstract:

    In this paper, the stratigraphic framework of the SDQ buried hill reservoir was built through using the drilling cores, loggings and seismic data of northern Shaya uplift in the Tarim Basin, and the rock lithofacies were analyzed through drilling cores and petrographic thin section. The stratigraphic age was determined through the U-Pb zircon geochronology of the drilling core samples, and was compared with the outcrops of the Kuruketag area in northeast Tarim Basin. The result shows that the SDQ buried hill is composed of some metamorphic marine sedimentary clastics and carbonate rocks, whose thickness is between 700 to 800 m. The minimum zircon concordia age is about 522 ±16 Ma from 3 clastics rock samples, which indicates that the deposition or diagenetic age should not be earlier than the middle Proterozoic. The SDQ buried hill reservoir is the oldest buried hill reported in the Tarim Basin.

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HAN Qiang, LI Zong-jie, WANG Chao, YANG Zi-chuan, YAN Liang, MENG Qing-long, LI Hong-yan, ZHAO Yuan. Characteristics and age of a Proterozoic buried hill reservoir in the northern Shaya uplift of the Tarim Basin[J]. Geology in China, 2016, 43(2): 486-499(in Chinese with English abstract).

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History
  • Received:March 04,2015
  • Revised:January 26,2016
  • Adopted:
  • Online: April 25,2016
  • Published: