Relationship between Permian volcanic rocks distribution and karst paleogeomorphology of Maokou Formation and its significance for petroleum exploration in western Sichuan Basin, SW China

LIU Ran,LUO Bing,LI Ya,QIU Nansheng,WANG Wei,ZHANG Yu,HE Qinglin,PEI Senqi

Fig. 1. Distribution of volcanic rocks in southwestern China in early Late Permian (a) and composite stratigraphic column of western Sichuan (modified according to reference [5]).