| Answer | Crossword Clue |
|---|---|
| lahar | a flowing mass of volcanic debris |
| lahars | LAHAR, a flowing mass of volcanic debris |
| lahar | landslide of wet volcanic debris on the side of a volcano |
| lahars | landslide of wet volcanic debris on the side of a volcano |
| lithic | pertaining to clastic rocks, either sedimentary or volcanic, containing a large proportion of debris from previously formed rocks |
| selvedges | A zone of altered rock, esp. volcanic glass, at the edge of a rock mass |
| selvages | A zone of altered rock, esp. volcanic glass, at the edge of a rock mass |
