科研之友
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摘要
Carboniferous and Jurassic coal-measure rocks with their relative coal-formed gas are developed in Junggar Basin. Carboniferous source rocks have high organic material abundance and high maturity. Jurassic source rocks are widely distributed with big thickness and great maturity variety. The results demonstrated that the longitudinal varying of source rocks corresponded with the basin evolution as time going. The relative stable phase of the basin was the best time to develop source rocks, while the initial and offlap filling period the second. Spatially, layer number and thickness of source rocks are increasing from north to south, west to east. The vastly developed source rocks established material basis for the various energy resources ore-forming, their space-time distribution has initially controlled the ore-forming framework.
