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.
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |