New knowledge of the Upper Triassic in Liupanshan Basin, Ningxia, China |
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Authors: | Daliang Li Shuxin Dong Shenghui Deng |
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Institution: | (1) China University of Geosciences, 100083 Beijing, China;(2) Research Institute of Petroleum Exploration and Development, 100083 Beijing, China |
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Abstract: | Based upon the new data of spore-pollen, plant and bivalve fossils, the coal-bearing strata in the Liupanshan Basin, Ningxia
Hui Autonomous Region, Northwest China, which were formerly assigned to the Middle Jurassic Yan’an Formation, are divided
into two parts in the present study. The major part is assigned to the Upper Triassic and the overlying part remains in the
Jurassic. The new division is of significance to the oil-gas exploration of the basin and the interpretation of the sedimentary
and tectonic history and the geographic environment of Liupanshan area during the early Mesozoic. |
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Keywords: | the Liupushan Basin Triassic |
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