Stratigraphic Depositional Age of the Shanxi Formation and Shangshihezi Formation in the Yuzhou Area and Its Geological Significance
1.College of Geosciences,China University of Petroleum (Beijing),Beijing 102249, China
2.State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum (Beijing),Beijing 102249, China
3.Institute of Resources & Environment,Henan Polytechnic University,Jiaozuo, Henan 454000, China
4.Collaborative Innovation Center of Coalbed Methane and Shale Gas for Central Plains Economic Region,Jiaozuo, Henan 454000, China
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