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. |
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