psammite 的定义
Geology.
- any sandstone.
更多psammite例句
- The ranges were composed of a Psammite, which was frequently baked, probably by neighbouring out-bursts of igneous rock.
- The prevailing rock was talc-schiste, alternating with layers of psammite.
- It seems to me to be a clayey sandstone (Psammite) penetrated by silica.