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. 10. δ13C and δ18O cross plots of micrite dolomite, micrite to silt dolomite, fine to medium dolomite and calcite. |