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鄂尔多斯盆地上古生界含气系统是自生、自储、自盖的煤成气含气系统 ,上古生界煤层为其最主要的烃源岩。应用高分辨率层序地层学理论分析盆地煤层的各种成因类型 ,指出各自对应的层序位置及对比特征 ,以期对煤层的层序地层特征有一个统一的认识
The Upper Paleozoic gas system in the Ordos Basin is a spontaneous, self-storage and self-capping coal-bearing gas system. The Upper Paleozoic coal seam is the most important source rock. Based on the high-resolution sequence stratigraphy theory, the various types of genesis of the coal seams in the basin are analyzed, and their corresponding sequence locations and contrast features are pointed out, so as to have a unified understanding of the sequence stratigraphic features of the coal seams