Recognition of Petroleum Origin in the Northern Piedmont Belt of Turpan-Hami Basin and Its Significance

Figure 3

The petrological photos of typical source rocks. (a) The Permian dark mudstone in Taerlanggou. (b) The Permian dark mudstone in Zhaobishan (according to literature [24]). (c) The Xishanyao Formation coal in Ertanggou. (d) The Xishanyao Formation coal of well He6 in Hetaogou area. (e) The Badaowan Formation dark mudstone of well A2 in Aketashi area. (f) The Badaowan Formation dark mudstone of well Ke28 in Aketashi area.

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