Basalt

Of volcanic rock.

The commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene.

This concept's ID is @1~74636

Contains

  • plagioclase 2 facts

    Any of a series of triclinic feldspars that form rocks.

  • pyroxene 0 facts

    Any of a group of crystalline silicate mineral common in igneous and metamorphic rocks.