Sedimentary Environment and Significance of Oil Shale and Gypsum in Suowa Formation in Late Jurassic in
详细信息
- 责任者：He Yongzhong (Guizhou Academy of Geologic Survey ; Guiyang 550005 ; China) ; Bei Peirong
- 刊名：Guizhou Geology
- 出版年：2011
- 卷期：28(1)
- 关键词：油页岩 ; oil shale ; 石膏 ; gypsum ; 西藏 ; Tibet
- 页码：p.58-64
- 图表：7 illus., 13 refs.
- 分类号：1003
- 出版序号：20120310
- issnNo：ISSN1000-5943
- isbnNo：CN52-1059/P
摘要
In the late stratum of Late Jurassic in Qiangtang Depression area of north Tibet, the oil shale and gypsum were found. It did detailed description and observation to the characters of gypsum, oil shale and relative rock association, then collected abundant samples of oil shale, sporo-pollen and bivalve sample. Combined with the regional geology and the sedimentary character of the occurred gypsum and oil shale stratum, it’s thought that there are times transgression and regression in Shengli area of north Qiangtang Depression in Late Jurassic, then it forms intermittent sediment of tidal flat and lagoon facies environment.
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