The classification of rock group for the deep and thick overlying layer could be based on their formation, matter composition, structure features and the thickness changes.
深厚覆盖层可按其成因、物质组成、结构特征及厚度变化等作为岩组划分的依据。
The classification of rock group for the deep and thick overlying layer could be based on their formation, matter composition, structure features and the thickness changes.
深厚覆盖层可按其成因、物质组成、结构特征及厚度变化等作为岩组划分的依据。
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