新疆石油地质 ›› 2010, Vol. 31 ›› Issue (4): 376-378.

• 油气勘探 • 上一篇    下一篇

北羌塘坳陷胜利河组膏岩沉积环境

吴滔, 熊兴国, 易成兴, 白培荣, 贺永忠, 刘贞才   

  1. 贵州省地质调查院,贵阳 550005
  • 收稿日期:2009-05-06 修回日期:2009-05-06 发布日期:2020-10-19
  • 作者简介:吴滔(1972-),男,四川安岳人,助理工程师,石油地质,(Tel)0851-3854080(E-mail)765155615@qq.com.
  • 基金资助:
    青藏高原油气战略选区调查与评价项目(2007-02)

Gypsolyte Sedimentary Environment of Upper Jurassic-Lower Cretaceous in Shenglihe Area in Northern Qiangtang Basin

WU Tao, XIONG Xing-guo, YI CHENg-xing, BAI Pei-rong, HE Yong-zhong, LIU Zhen-CAI   

  1. Guizhou Institute of Geological Survey, Guiyang, Guizhou 550005, China
  • Received:2009-05-06 Revised:2009-05-06 Published:2020-10-19

摘要: 2007 年在西藏北羌塘胜利河地区上侏罗统索瓦组之上发现了一套厚达196 m 的含膏盐地层。通过分析膏盐顶、底板岩性以及膏盐的晶体形态、夹层、沉积组合特征认为,它具有海岸盐湖的沉积特征。该套含膏盐地层为北羌塘中生代盆地的油气成藏提供了良好的盖层。

关键词: 西藏, 北羌塘, 胜利河组, 膏盐, 海岸盐湖

Abstract: In 2007, a set of gypsolyte strata with depth of 196 m was found above Suowa formation of Upper Jurassic in Shenglihe area in northern Qiangtang basin of Tibet. This study suggests from analyses of top-bottom lithology and gyprock crystal forms, interbed and sedimentary assemblage that such strata are characterized by coast salt lake deposit. Its discovery could provide good cap rock for hydrocarbon accumulation in the Mesozoic northern Qiangtang basin.

Key words: Tibet, North Qiangtang, Shenglihe formation, gypsum, gyprock, coast salt lake

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