Research Article

Experimental Study on Physicomechanical Properties of Deep Sandstone by Coupling of Dry-Wet Cycles and Acidic Environment

Figure 2

XRD and EDS observation of sandstone: (a) XRD spectrum (15°C), (b) EDS spots (15°C, 500 μm), (c) Spot1 element analysis, and (d) Spot 2 element analysis.
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