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晋东南石炭-二叠系灰岩的沉积特征
石油与天然气地质
1989年 10卷 第No.2期
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Title
DEPOSITIONAL CHARACTERS OF THE CARBONIFEROUS PERMIAN LIMESTONE IN SOUTHEAST SHANXI
摘要
石炭-二叠系含煤岩系,由灰岩、碎屑岩和煤共同组成。根据灰岩宏观与微观分析,灰岩发育于淡化海湾的潮间-潮下带上部。由于潮汐和风暴使海水反复波及近岸沼泽和海湾泥滩池沼,形成独特的与海水有关的煤系、灰岩组合。
Abstract
Coal-bearing strata in southeast Shanxi consist of carbonate rocks (lime-stone,clastic rocks and coal.According to macroscopic and microscopic study,the author suggests that the limestone developed in intertidal to the upperpart of subtidal zone of the freshening bay.Sea water repeatedly floodedoff shore marshes and ponds of mud banks due to tidal and storm,resultin in this unique coal-limestone assemblage.
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