Basalt - Definition
basalt
n 1: the commonest type of solidified lava; a dense dark grey
fine-grained igneous rock that is composed chiefly of
plagioclase feldspar and pyroxene
n 1: the commonest type of solidified lava; a dense dark grey
fine-grained igneous rock that is composed chiefly of
plagioclase feldspar and pyroxene