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巴麦地区上石炭统小海子组前人研究认为属生物碎屑浅滩相的沉积,本文在研究了巴麦地区玉2井、麦4、6、10井、BK2井、巴探4、5、6井、巴参1井及玉北1、和田1井岩心的基础上,从层序、岩性、结构、层理与生物组合分析,提出该区具有类似台地边缘坡折带的沉积特征;综合钻井沉积相序、岩性组合和各类相标志认为,巴麦地区主要发育有浅水陆棚相、开阔台地相、局限台地相、潮坪相和台地边缘坡折带、台内洼地等环境,其中在台地边缘坡折带之上不仅有滩而且有礁发育。
Previous studies of the Upper Carboniferous Xiaohaizi Formation in the Baimai region have suggested that the sediments of the shoal facies are bioclastic. In this paper, the authors studied the deposition of the Jade 2, Mai 4, 6, 10, BK2, Based on the analysis of sequence, lithology, structure, bedding and biological assemblage, it is proposed that this area has similar sedimentary characteristics of platform margin slope break zone. Combining the sequence of sedimentary facies, lithology and facies signs, the Baimai area mainly consists of shallow continental shelf facies, open platform facies, restricted platform facies, tidal flat facies and platform margin slope break and inland depressions Among them, there is not only beach but also reef development above the slope break of the platform.