| Answer | Crossword Clue |
|---|---|
| magmas | MAGMA, the molten matter from which igneous rock is formed |
| magmata | MAGMA, the molten matter from which igneous rock is formed |
| magmatic | pertaining to magma (the molten matter from which igneous rock is formed) |
| magma | the molten matter from which igneous rock is formed |
| xenocryst | A crystal in an igneous rock that is not derived from the original magma |
| xenocrysts | A crystal in an igneous rock that is not derived from the original magma |
| xenoliths | A piece of rock within an igneous rock that is not derived from the original magma but has been introduced from elsewhere, esp. the surrounding country rock |
