الإنجليزية - الإنجليزية
تعريف greensand في الإنجليزية الإنجليزية القاموس.
- A greenish sandstone containing glauconite
- A variety of sandstone, usually imperfectly consolidated, consisting largely of glauconite, a silicate of iron and potash of a green color, mixed with sand and a trace of phosphate of lime
- an olive-green sandstone containing glauconite