What Basalt Granite

Some of it erupts on land too but to a first approximation basalt is an oceanic rock.

What basalt granite. Its principle minerals include. The tholeiitic and the alkali basalts. As it turns out most of the ocean floor is basalt and most of the continents are granite. Basalt extrusive igneous volcanic rock that is low in silica content dark in color and comparatively rich in iron and magnesium.

It forms from lava flows which extrude onto the surface and cool. Compared to the familiar granite of the continents basalt ba salt is darker denser and finer grained. One other difference between basalt and granite pertains to the way these two types of rocks split when putting under pressure. Learn more about basalt in this article.

Summary of basalt vs. An igneous volcanic rock used in architecture since the roman era basalt is durable like granite with similar features to limestone. Basalt is an extrusive igneous rock whereas granite is an intrusive ingenuous rock. The deep gray hues of basalt make it a perfect versatile choice for both internal and external flooring and walls.

Basaltic crust is dark and thin and heavy while granite is light and accumulates. The trick is to heat the basalt back up again so it can melt and give the iron another shot at the core. Basalts may be broadly classified on a chemical and petrographic basis into two main groups. Basalt is the dark heavy volcanic rock that makes up most of the world s oceanic crust.

Obviously this difference exists. While basalt rocks split along columnar planes granite rocks give way along horizontal planes.