沁水盆地晚古生代煤系层序地层及岩相古地理研究  

Sequence stratigraphy & lithofacies palaeogeography in Qinshui Basin

作　　者：徐振永[1] 王延斌[1] 陈德元[2] 周国文[2] 王长胜[2] 

机构地区：[1]中国矿业大学 [2]长安大学,陕西西安710054

出　　处：《煤田地质与勘探》2007年第4期5-7,11,共4页Coal Geology & Exploration

摘　　要：运用层序地层学及沉积学的方法和原理,根据野外露头、钻井及区域地质资料分析,认为山西沁水盆地煤系主要存在碳酸盐岩台地、碎屑岩浅海和三角洲等沉积相类型。进行层序界面的识别、沉积相的分析和准层序的研究对比,将沁水盆地煤系划分为两个层序,每个层序又分为海侵体系域和高位体系域(缺低位体系域)。在此基础上,以体系域为单位编制了岩相古地理图,并分析了各个体系域的岩相古地理特征。Using the theory and methods of sequence stratigraphy ano sedimentology, me sequence straugrapny ann nmoiacles palaeogeography in Early Permian-Late Carboniferous of the Qinshui Basin in Shanxi Province are studied on the basis of outcrops, well logging data and other geological information. According to sedimentary characters, several primary sedimentary facies are identified, such as carbonate platform, clasfic shallow sea and delta. In this paper, coal-bearing strata in the Qinshui Basin are divaded into two sequences which consist of transgressive system tracts and highstand system tracts. Lowstand syetem tracts are not developed. The lithofacies palaeo-geography maps of each system tract are also plotted.

关 键 词：煤系 层序地层 沉积相 岩相古地理 沁水盆地 

分 类 号：P539.2[天文地球—古生物学与地层学] P534.45[天文地球—地质学]