Discovery and geological knowledge of the large deep coal-formed Qingyang Gas Field, Ordos Basin, NW China |
FU Jinhua,WEI Xinshan,LUO Shunshe,ZUO Zhifeng,ZHOU Hu,LIU Baoxian,KONG Qingfen,ZHAN Sha,NAN Junxiang |
Fig. 9. Sedimentary markers of the upper and lower deltas of the Shan 1 Member in the southwestern part of the basin. |