Geological conditions of natural gas accumulation and new exploration areas in the Mesoproterozoic to Lower Paleozoic of Ordos Basin, NW China

DU Jinhu,LI Xiangbo,BAO Hongping,XU Wanglin,WANG Yating,HUANG Junping,WANG Hongbo,WANYAN Rong,WANG Jing

Fig. 6. Sedimentary sequence and outcrop photo of the Lower Cambrian Dongpo Formation in Jinhe Village, Luonan area. (a) Neoproterozoic- Lower Cambrian sedimentary sequence (modified according to reference [37]; (b) grayish black argillite, Dongpo Formation, see Fig. 6a for the location; (c) magnification of local part in photo b; (d) grayish black argillite, Dongpo Formation, Beigou in Yanjialou of Luonan (see Fig. 2b for the location); (f) grayish black argillite, lower member of Dongpo Formation, see Fig. 6a for the location.