| Answer | Crossword Clue |
|---|---|
| TUFA | Volcano rock. |
| MAGMA | Molten rock in a volcano |
| lavas | molten rock from a volcano |
| lava | molten rock from a volcano |
| volcanic | a rock produced by a volcano |
| lava | molten rock that issues from a volcano |
| basaltic | the dark, hard rock from a volcano |
| basalts | the dark, hard rock from a volcano |
| basalt | the dark, hard rock from a volcano |
| volcanics | VOLCANIC, a rock produced by a volcano |
| lavas | LAVA, molten rock that issues from a volcano |
| pyroclastic | Relating to, consisting of, or denoting fragments of rock erupted by a volcano |
