| Answer | Crossword Clue |
|---|---|
| IONE | Geological formation |
| MESA | Geological formation. |
| DYAS | Geological formation. |
| TERRANE | Geological formation |
| ROCKPILE | Geological formation |
| BUTTE | Geological formation |
| FORESHORE | Geological formation |
| MASSIF | Geological formation. |
| TERRANE | Geological formation. |
| DELTA | Geological formation |
| IONE | Calif. geological formation |
