FORMATION CONDITIONS OF JIMUSAER OIL SHALE AT THE NORTHERN FOOT OF BOGDA MOUNTAIN, CHINA

The Jimusaer oil shale, located in the northern foot of Bogda Mountain, was deposited in the Lucaogou Formation in the Upper Permian. In this paper the effect of paleostructure, paleoclimate and sedimentary environment on the mineralization of oil shale in the study area was investigated. The result...

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Bibliographic Details
Published in:Oil shale (Tallinn, Estonia : 1984) Estonia : 1984), 2014-01, Vol.31 (1), p.19-19
Main Authors: Liang, Jianlong, Tang, Dazhen, Xu, Hao, Tao, Shu, Li, Chenchen, Gou, Mingfu
Format: Article
Language:English
Subjects:
Basins
Brackish
Brackish water
Climate
Deposition
Drying
Freshwater
Geological research
Lithology
Mineralization
Mountains
Oil shale
Oil-shales
Paleoclimatology
Properties
Saline water
Salinity
Sedimentation
Segments
Strontium
Trace elements
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Summary:The Jimusaer oil shale, located in the northern foot of Bogda Mountain, was deposited in the Lucaogou Formation in the Upper Permian. In this paper the effect of paleostructure, paleoclimate and sedimentary environment on the mineralization of oil shale in the study area was investigated. The results show that, the Jimusaer oil shale was developed in the stable paralic lacustrine basin formed in the Late Middle Permian, and cropped out with the uplift of Bogda Mountain during the Himalayan orogeny. The Lucaogou Formation, which is composed of six lithologic segments, was deposited in a warm humid to dry hot climate and fresh to brackish water environment indicated by values of Sr/Cu, Sr/Ba and Mn/Fe ratios, which vary segment by segment. There are also similar variety regularities shown, which implicate that, the changes of paleoclimate influenced directly water salinity in the study area.
ISSN:0208-189X
1736-7492
DOI:10.3176/oil.2014.1.03