Basalt: Igneous Rock Pictures, Definition, Uses More
What is Basalt? Basalt is a darkcolored, finegrained, igneous rock composed mainly of plagioclase and pyroxene minerals. It most commonly forms as an extrusive rock, such as a lava flow, but can also form in small intrusive bodies, such as an igneous dike or a thin has a composition similar to difference between basalt and gabbro is that basalt is a finegrained rock while ...