The paper discusses igneous rock lithological features, spatial distributive characters and its influence on coal seam and coal quality of Huanghebei coalfield, Sha ndong Province.
论述了山东省黄河北煤田岩浆岩特性特征、空间分布特点及其对煤层煤质的影响。
The paper discusses igneous rock lithological features, spatial distributive characters and its influence on coal seam and coal quality of Huanghebei coalfield, Sha ndong Province.
论述了山东省黄河北煤田岩浆岩特性特征、空间分布特点及其对煤层煤质的影响。
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