Quantification of Pore Size and Movable Fluid Distribution in Zhangjiatan Shale of the Ordos Basin, China

Figure 2

Secondary electron images of milled surfaces showing various pores in Zhangjiatan shale. (a) Intraparticle dissolution pores (white arrows) in feldspar. Sample L217. (b) Interparticle pores (white arrows) in illite-smectite mixed-laminae. Sample X6009. (c) Interparticle pores (white arrows) in kaolinite laminae. Sample D48031. (d) Intercrystalline pores (black arrows) in pyrite framboids. Sample D48031. (e) Organogenic pores (white arrow). Sample L217. (e) Preserved interparticle pores (white arrows) and microfractures. Sample D48031.

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