鄂尔多斯盆地东缘山西组2段海陆过渡相页岩高分辨率层序划分及勘探地质意义

梁岳立,葛家旺,赵晓明,张喜,李树新,聂志宏

High-resolution sequence division and geological significance of exploration of marine-continental transitional facies shale in the 2nd Member of Shanxi Formation， eastern margin of Ordos Basin

Yueli LIANG,Jiawang GE,Xiaoming ZHAO,Xi ZHANG,Shuxin LI,Zhihong NIE

图2 鄂尔多斯盆地东缘山西组顶底界面野外剖面特征 （a）乡宁台头剖面，下石盒子组与山西组分界面；（b）柳林成家庄剖面，山西组与太原组分界面

Fig.2 Field profile characteristics of the top-bottom interface of Shanxi Formation in the eastern margin of Ordos Basin