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 0 facts

    A dry form of lava resembling clinkers.

  • pillow lava 0 facts

    Lava that hardened in rounded shapes suggestive of pillows; believed to result from...

  • pahoehoe 0 facts

    Freely flowing lava.