The erosional surface dissected by such valleys may subsequently become an unconformity in the stratigraphic sequence.
被这种河谷切割的侵蚀面后来可能成为地层层序中的不整合性。
The erosional surface dissected by such valleys may subsequently become an unconformity in the strati graphic sequence.
被这种河谷切割的侵蚀面后来可能成为地层层序中的不整合性。
Its sedimentary structure includes large-scale inclined beddings, trough cross-beddings, low-angle cross-beddings as well as an erosional basal surface.
具有大型单斜层理、槽状交错层理和低角度交错层理，底部具冲刷面；
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