Origin and characteristics of grain dolomite of Ordovician Ma5 5 Member in the northwest of Ordos Basin, NW China
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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. 2. Synthetic histogram of sedimentary facies, carbon and oxygen isotopes and trace elements in O2m55, Well L28. Pe—Photoelectric absorption cross section index, dimension; GR—Natural gamma, API. |
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