| Answer | Crossword Clue |
|---|---|
| arenite | rock composed of sand grains |
| arenites | ARENITE, rock composed of sand grains |
| psammitic | of or like psammite, any rock composed of sand-grains |
| sandstone | Sedimentary rock consisting of sand or quartz grains cemented together, typically red, yellow, or brown in color |
| sandstones | Sedimentary rock consisting of sand or quartz grains cemented together, typically red, yellow, or brown in color |
| OOLITE | Limestone composed of grains. |
