新疆石油地质

新疆石油地质 ›› 1992, Vol. 13 ›› Issue (2): 161-170.

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准噶尔盆地二叠系及中生界划分对比

孟长生1, 何正怀1, 吴建华1, 潘秀清2   

  1. 1 新疆石油管理局勘探开发研究院 克拉玛依 834000;
    2 浙江石油勘探处 余杭县 311122
  • 收稿日期:1991-10-31 发布日期:2020-07-27

CLASSIFICATION AND CORRELATION OF PERMIANAND MESOzOIC INJUNGGAR BASIN

Meng Changsheng1, He Zhenghuai1, Wu Jianhua1, Pan Xiuqing2   

  1. 1 Research lnstitute of Exploration & Development, Xinjiang Petroleum Administration Bureau, Karamay 834000;
    2 Zhe jiang Petroleum Exploration Division, Yuhang County 311122
  • Received:1991-10-31 Published:2020-07-27

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摘要： 本文以区域地质资料为基础,结合构过、沉积发育规律和岩性、电性、古生物特征以及地震层徐的划分与对比,提出了准噶尔盆地二叠系及中生界新的划分对比意见。认为风城组时代应为晚二叠世,与盆地东部平地泉组对比,下乌尔禾组与捂桐沟组对比;原百口泉组为中三叠世早期沉积、应归属于克拉玛依组,而原划为上二叠统的上乌尔禾组应与南单、东部的上仓房沟辫对比,改属下三叠统;并对西北筹朱罗系和上白交统的划分对比堤出了新的见解。

关键词: 尔准噶尔盆地, 二叠系, 地震层序, 中生界, 地层对比, 不整合

Abstract: This paper presents opinions to completely classify and correlate the Permian and Mesozoic strata in Junggar Basin on the basis of regional geological data integrated with the tectonic and depositional developments, petrophysical propertics, palaeontologic characteristics and seismic sequence classification and correlation. It concluded that Frgcheng fotmation should be clasified into late Permian in periodl, being correlated with Pingdiquan formation in eastern Basing; Lower Wuerhe for mation be correlated with Wutonggau formation. The former Baikouquan formation being sediments of early in Middle Permian, should be classified into Karamay formation, while Upper Permian should be correlated with Upper Cangfanggou group in southern margin and east part of Junggar Basin, which is modified to be Lower Triassic. In addition, some new views have been provided for correlation of Jurassic and Upper Cretaceous in the northwestern tnargin.

Key words: Junggar Basin, seismic sequence, stratigraphic correlation, unconforemity, tectonic movement