Origin and characteristics of grain dolomite of Ordovician Ma5 5 Member in the northwest of Ordos Basin, NW China
ZHANG Xi,ZHANG Tingshan,LEI Bianjun,ZHANG Jingxuan,ZHANG Ji,ZHAO Zhongjun,YONG Jinjie
Fig. 1. The distribution of sedimentary facies in O2m55, Ordos Basin (Modified from reference [6]).