Paleoenvironment, Geochemistry, and Pore Characteristics of the Postmature to Overmature Organic-Rich Devonian Shales in Guizhong Depression, Southwestern China

Figure 9

SEM images of microscopic pores from the siliceous carbonaceous shale (475 m of well GY-1, M-2 in Figure 3): (a, b, d, f, and h) OM-pores, (c) no OM-pores developed in the organic matter, (e) residual pores between pyrite crystals are filled with organic matter, and micropores are developed within it, and (g) different types of organic matter.

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