Characteristics of an Altered Diabase Dike in a Coal Seam: A Case Study from the Datong Coalfield, Shanxi, China

Figure 3

Photo of the igneous rock samples. (a) TS2. (b) TS6 (coal and rock mixed). (c) TS5. (d) TS3. (e) TS4.

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(b)

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(e)