Quantitative Characterization for the Micronanopore Structures of Terrestrial Shales with Different Lithofacies Types: A Case Study of the Jurassic Lianggaoshan Formation in the Southeastern Sichuan Basin of the Yangtze Region

Figure 2

The comprehensive stratigraphic column diagram and core photos of the Middle Jurassic Lianggaoshan Formation in the TY1 Well. (a) The comprehensive stratigraphic column diagram of the TY1 Well. (b) Grey sandstone of the third section of the Lianggaoshan Formation, 2422 m. (c) Grey-black shale of the lower subsection of the Liang Member II, 2542 m. (d) Dark grey shale of the upper subsection of the Liang Member I, 2578 m. See Figure 1 for the well locations. Modified from references [8].

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