| Answer | Crossword Clue |
|---|---|
| GEEST | Decayed-rock material |
| PEAT | Decayed plant material used as fuel |
| SIMA | Igneous rock material |
| MAGMA | Volcanic rock material |
| MAGMA | Igneous rock material |
| SPANDEX | Material for The Rock |
| MAGMA | Molten material that becomes igneous rock |
| ROPE | Material for a rock climber's harness |
