| Answer | Crossword Clue |
|---|---|
| UMBER | A kind of earth |
| RARE | Kind of earth |
| OZONE | Kind of layer protecting the earth |
| malmstone | calcareous loam; earth of this kind, formerly used for making brick |
| malmstones | MALMSTONE, calcareous loam; earth of this kind, formerly used for making brick |
| strata | sheetlike mass of sedimentary rock or earth of one kind lying between beds of other kinds |
| stratum | sheetlike mass of sedimentary rock or earth of one kind lying between beds of other kinds |
