Petrophysical properties of deep Longmaxi Formation shales in the southern Sichuan Basin, SW China
XU Zhonghua,ZHENG Majia,LIU Zhonghua,DENG Jixin,LI Xizhe,GUO Wei,LI Jing,WANG Nan,ZHANG Xiaowei,GUO Xiaolong
Fig. 6. Relationship between Si content and Al content and microscopic features of typical quartz grains in the deep shale samples.