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螺田勘探区安源组煤层煤质变化规律异常,因此对其时代提出质疑。从煤系地层中钙质砾岩的岩石及地质体特征入手,分析其成因,指出安源组内存在有假整合构造结构面,进而提出本区安源组时代划分的建议。
The Anyang coal seam coal quality variation regularity in the Lingtian exploration area has questioned its age. Based on the characteristics of calcareous conglomerate rocks and geologic bodies in coal measure strata, the paper analyzes the origin of calcareous conglomerate and points out the existence of false integrated structural planes in Anyuan Formation.