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采用定性分析与定量分析相结合的方法,研究了抚顺盆地的同沉积构造格架及其对超厚煤层和油页岩的控制作用。结果表明,抚顺断陷盆地的同沉积构造格架,是由走向NEE和NNW的两组同沉积正断层组成的网络。它将盆地分划成一系列走向近东西的次级断陷、断隆。在古气候和碎屑沉积速率等因素的配合下,该盆地的同沉积构造格架通过控制沉积环境和沉积空间,从间接和直接两个方面严格地控制了煤层和油页岩的厚度分布,因此超厚煤层和油页岩整体呈东西条带状分布,并且在次级断陷中显著加厚,而在次级断隆上显著减薄。
By means of qualitative analysis and quantitative analysis, the authors studied the synsedimentary tectonics framework and its control on over thick coal seam and oil shale in Fushun Basin. The results show that the synsedimentary tectonic framework of the Fushun rifted basin is composed of two sets of synsedimentary normal faults that go to NEE and NNW. It divides the basin into a series of sub-depressions that break toward the east-west, broken off. With the cooperation of palaeoclimate and detritus deposition rate, the syndepositional tectonic framework of this basin controls the thickness distribution of coal seam and oil shale both indirectly and directly by controlling depositional environment and depositional space, As a result, the ultra-thick coal seam and oil shale are distributed in an east-west distribution as a whole and are remarkably thickened in the secondary fault and significantly thinner in the secondary fault.