Lava
Of volcanic rock.
Rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface.
This concept's ID is @1~75566
Contains
- aa
A dry form of lava resembling clinkers.
- pillow lava
Lava that hardened in rounded shapes suggestive of pillows; believed to result from...
- pahoehoe
Freely flowing lava.