Principle of original horizontality, principle of superposition, principle of lateral continuity, principle of crosscutting relationship and unconformity.
原始地层水平、叠置水平连续、切、。
Principle of original horizontality, principle of superposition, principle of lateral continuity, principle of crosscutting relationship and unconformity.
原始地层水平、叠置水平连续、切、。
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