Fig. 2
From: A novel method for evaluating shale gas preservation conditions in an area on a regional scale
(a) Distribution of surface fault in the Youjiang Basin; (b) Calculation results of surface fracture density; (c) The Middle Devonian fracture index. Data were extracted using Surfer 18.0 software and processed with MapGiS 6.7 software, and all pictures were created using Section software.
