outwash 的定义
Geology.
- the material, chiefly sand or gravel, deposited by meltwater streams in front of a glacier.
更多outwash例句
- Outwash plains are sometimes pitted by bowl-shaped basins where ice blocks were left buried in the sand by the retreating glacier.
- This outwash plain was a veritable paradise of bloom in the days before the advent of the plow.
- Thus arose the type of stratified drift variously known as overwash plains, outwash plains, morainic plains, and morainic aprons.
- Good examples of overwash or outwash plains may be seen at various points in the vicinity of Baraboo.
- A good example of an outwash plain occurs southwest of Baraboo, flanking the moraine on the west (Fig. 41).