Geological characteristics and development potential of transitional shale gas in the east margin of the Ordos Basin, NW China
KUANG Lichun,DONG Dazhong,HE Wenyuan,WEN Shengming,SUN Shasha,LI Shuxin,QIU Zhen,LIAO Xinwei,LI Yong,WU Jin,ZHANG Leifu,SHI Zhensheng,GUO Wen,ZHANG Surong
Fig. 7. Frequency distribution histogram of vitrinite reflectance of the Shan-2 shale samples in the east margin of the Ordos Basin.