produced under conditions involving intense heat;
"igneous rock is rock formed by solidification from a molten state; especially from molten magma"
"igneous fusion is fusion by heat alone"
produced by the action of fire or intense heat;
"rocks formed by igneous agents"
like or suggestive of fire;
"a fiery desert wind"
"an igneous desert atmosphere"
- Igneous rocks do not contain fossils.
- The rocks here are igneous and do not fracture along predictable lines.
- Igneous fusion is fusion by heat alone.