| Answer | Crossword Clue |
|---|---|
| RIFT | Narrow fissure |
| SLIT | Narrow fissure |
| CRACKLING | Very narrow fissure? |
| RIFT | Narrow fissure in rock |
| RIFT | A narrow fissure in rock |
| crevice | A narrow opening or fissure, esp. in a rock or wall |
| crevices | A narrow opening or fissure, esp. in a rock or wall |
