Evolution of the Pore-Fracture System of Coal: A Case Study of Zhaozhuang Colliery, Qinshui Basin.

ACS Omega · 2025 · PMC11886741 · PMID 40060888

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an increasing trendno p-value reported

Both methods reveal an increasing trend in SSA from primary coal to mylonitic coal.

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a clear trendno p-value reported

Comparing different structural coal types reveals a clear trend: as the coal structure becomes more complex, the proportion of pore-fractures in the 0–50 μm range gradually decreases (56.8% for primary coal, 54.53% for cataclastic coal, and 42.21% for granular coal).

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