Basic characteristics of key interfaces in Upper Ordovician Wufeng Formation - Lower Silurian Longmaxi Formation in Sichuan Basin and its periphery, SW China
WANG Yuman,WANG Hongyan,QIU Zhen,SHEN Junjun,ZHANG Qin,ZHANG Leifu,WANG Canhui,LI Xinjing
Fig. 4. Boundary characteristics of Wufeng Formation and Longmaxi Formation in key outcrop sections of Sichuan Basin and its periphery (the geological hammer is 33 cm long). (a) Heishui section in Youyang; (b) GR response characteristics of Heishui section in Youyang; (c) GR response characteristics of Xintan section in Zigui; (d) GR response characteristics of Shuanghe section in Changning; (e) Sanhu section in Laifeng; (f) GR response characteristics of Sanhu section in Laifeng.