Research Article

Research on Coal Bed Methane (Gas) Occurrence Controlled by Geological Tectonics in the Southern Margin of North China Plate: A Case Study of the Pingdingshan Coalfield, China

Figure 8

The evolution of the tectonic of Pingdingshan Coalfield in geological history. (a) Indosinian. (b) Yanshanian. (c) Sichuan period. (d) North China period. (e) Himalaya period. (f) Neotectonic Period.
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