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 3

Difference of CBM (gas) occurrence among different CBM belts in coal seam group F showing (a) CBM (gas) content and (b) gas pressure, and these CBM (gas) data were measured actually underground coal mine.
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(b)