What Basalt Granite

Basalt is more common in oceanic crust while granite is more common in continental crust.

What basalt granite.

Its principle minerals include. As it turns out most of the ocean floor is basalt and most of the continents are granite. It wants to be there and heat is the key which unlocks the door. Summary of basalt vs.

Basalts may be broadly classified on a chemical and petrographic basis into two main groups. It forms from lava flows which extrude onto the surface and cool. The deep gray hues of basalt make it a perfect versatile choice for both internal and external flooring and walls. Basalt extrusive igneous volcanic rock that is low in silica content dark in color and comparatively rich in iron and magnesium.

Obviously this difference exists. 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. Basalt is an extrusive igneous rock whereas granite is an intrusive ingenuous rock.

Learn more about basalt in this article. While basalt rocks split along columnar planes granite rocks give way along horizontal planes. Basaltic crust is dark and thin and heavy while granite is light and accumulates. The tholeiitic and the alkali basalts.

Basalt is an igneous volcanic rock that forms commonly in oceanic crust and parts of continental crust. Some of it erupts on land too but to a first approximation basalt is an oceanic rock.