| Answer | Crossword Clue |
|---|---|
| TILLITE | Geologic rock formation. |
| IONE | Geologic formation |
| TERRANE | Geologic formation. |
| PARAGENESIS | Geologic formation of minerals in contact. |
| isopach | line drawn on a map connecting all points of equal thickness of a particular geologic formation |
| INLIER | Geologic mass of stratified rock. |
