gully and valley erosion
常見例句
- Later-stage block uplift formed new fault scarp, the previous pediment surface and the wide valley were uplifted, and the gully started retrogressive erosion from the scarp to produce a terrace.
后期的斷塊隆升形成新的斷層崖，原先的麓原面和寬谷被抬升，沖溝從斷層崖開始溯源侵蝕形成階地。 返回 gully and valley erosion