Basalt vs Pyrolite - What's the difference?
basalt | pyrolite |
(mineral) A hard mafic igneous rock of varied mineral content; volcanic in origin, it makes up much of the Earth's oceanic crust.
A type of unglazed pottery.
A theoretical rock considered to be the best approximation of the composition of Earth's upper mantle, generally considered to be one part tholeiitic basalt and three parts dunite.
