Research Article

The Role of Microfabric and Laminae on Pore Structure and Gas Transport Pathways of Marine Shales from Sichuan Basin, China

Figure 7

FE-SEM images of siliceous shales (S). (a) Back-scattered electron of siliceous shale lithofacies. (b) Ellipsoid pores in spongy organic matter particles. (c) Abundant pores in spongy organic matter particles. (d) Abundant mesomacropores in organic matter particles.
(a)
(b)
(c)
(d)