vale

the Vale of Glamorgan.

格拉摩根谷。

It was estimated that the prospect perspective were weakness in Zhidan area once, since data was narrow, and prospect is difficult for complicated landforms (vale, ridge and replat).

摘要由于资料的限，前人对志丹探区勘探前景评价较低，加之沟谷、梁、赤纵横的地貌特征，勘探难度较大。