Basalt Granite Definition

Basalt is one of the most common types of rock on earth as well as other planetary bodies in the solar system.

Basalt granite definition. Buh sawlt bay sawlt a hard dense igneous rock that makes up much of the material in tectonic plates. Basalt extrusive igneous volcanic rock that is low in silica content dark in colour and comparatively rich in iron and magnesium. Basalt is an extrusive igneous rock whereas granite is an intrusive ingenuous rock. One other difference between basalt and granite pertains to the way these two types of rocks split when putting under pressure.

While basalt rocks split along columnar planes granite rocks give way along horizontal planes. Basalt is an igneous mafic and volcanic rock which is produced by lava flows in many different volcano types. Granite is a very hard granular crystalline igneous rock which consists mainly of quartz mica and feldspar and is often used as building stone basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of earth 1 2 history 1 2 1 origin. Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of earth.

It has a composition similar to gabbro. On the other hand granite is a very hard granular crystalline igneous rock which consists mainly of quartz mica and feldspar and is often used as building stone. It contains mainly volcanic glass pyroxene and plagioclase feldspar and is fine grained. See plate tectonics.

The part of the earth s crust beneath the oceans consists mainly of basalt whereas continental crust consists mainly of less dense rocks such as granite. 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 sill. Basalt is a dark colored fine grained igneous rock composed mainly of plagioclase and pyroxene minerals. A dark gray to black dense to fine grained igneous rock that consists of basic plagioclase augite and usually magnetite.

The general basalt and granite definition can be stated as.