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. 6. Fe-Mn cross plot of micrite dolomite, micrite to silt dolomite and fine to medium dolomite. |