where is basalt found
Which country on earth has the most basalt? Basalt is an igneous rock. Plate tectonics causes some areas of the crust to separate, and mafic magma from the upper mantle is allowed to move to the surface and erupt as a volcano. Because basalt is mafic, it is generally heavier than the granitic rocks that make up the continents. Because of this density difference, basalt is usually found on the seafloor. Therefore, since it's what makes the seafloor, MOST basalt is not part of ANY country. However, most of the continents will have some basalt exposed at the surface.