| Answer | Crossword Clue |
|---|---|
| MARLS | Crumbly earth deposits |
| MARL | Crumbly earth |
| MARL | Crumbly earth. |
| MARL | Loose, crumbly earth |
| MARL | Soft, crumbly earth |
| tripoli | an earth consisting of very friable soft schistose deposits of silica and including diatomite and kieselguhr |
| tripolis | an earth consisting of very friable soft schistose deposits of silica and including diatomite and kieselguhr |
| monazites | a yellow to red or brown mineral that is a phosphate of thorium and various rare earth elements and occurs especially in sand and gravel deposits |
