What Is Granite Rock

Granite is the most common intrusive rock in earth s continental crust it is familiar as a mottled pink white gray and black ornamental stone it is coarse to medium grained.

What is granite rock.

More than that granite is the signature rock of the planet earth itself. Granite is a light colored igneous rock with grains large enough to be visible with the unaided eye. Learn more about the properties and uses of granite in this article. Pink granite sample approximately 1 3cm in size large crystals in this felsic plutonic rock what is granite.

The other rocky planets mercury venus and mars are covered with basalt as is the ocean floor of earth but only earth has this beautiful and interesting rock type in abundance. We make this clarification because unfortunately there is a lot of misinformation on the internet about nonstick cookware and about granite nonstick cookware in particular. It forms from the slow crystallization of magma below earth s surface. Porter wilson was born in san francisco in 1866 graduated from mit with the class of 1890 and returned to california where he partnered with kimball g.

Easton in a bay area street paving and construction firm known as easton and wilson. Granite is a common type of granular and phaneritic felsic intrusive igneous rock granites depending on their mineralogy can be predominantly white pink or gray in colour. Granite coarse or medium grained intrusive igneous rock that is rich in quartz and feldspar. Granite is composed mainly of quartz and feldspar with minor amounts of mica amphiboles and other minerals this mineral composition usually gives granite a red pink gray or white color with dark mineral.

It is the most common plutonic rock of the earth s crust forming by the cooling of magma silicate melt at depth. Granites can be predominantly white pink or gray in color depending on their mineralogy the word granite comes from the latin granum a grain in reference to the coarse grained structure of such a completely crystalline rock. Granite ˈ ɡ r æ n ɪ t is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture. Strictly speaking granite is an.

Its three main minerals are feldspar quartz and mica which occur as silvery muscovite or dark biotite or both. Granite is the signature rock of the continents. Like most cookware with granite in the name graniterock and granitestone cookware are ptfe products. The definition of granite varies a geologist might define granite as a coarse grained quartz and feldspar bearing igneous rock that is made up entirely of crystals.