What Is The Mineral Content Of Granite

Strictly speaking granite is an.

What is the mineral content of granite.

Granite is a crystalline igneous rock that consists largely of feldspar and quartz these two are the most common minerals in the crust which means that granite too is among the most ubiquitous rock types especially in the upper continental crust. Granite is produced in volcanic arcs and more commonly in mountain building resulting from the collision of two continental masses. Its three main minerals are feldspar quartz and mica which occur as silvery muscovite or dark biotite or both. Granite ˈ ɡ r æ n ɪ t is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture.

Learn more about the properties and uses of granite in this article. 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 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. Granite granite is a felsic generally equigranular relatively light coloured intrusive rock it comprises some of the oldest known rocks on earth and is the most abundant basement rock underlying the relatively thin sedimentary rock cover of the continents.

It is the most common plutonic rock of the earth s crust forming by the cooling of magma silicate melt at depth. Granite is a plutonic rock in which quartz makes up between 10 and 50 percent of the felsic components and alkali feldspar accounts for 65 to 90 percent of the total feldspar content. This picture of a granite pegmatite from northern norway nyelv is very coarse grained for a normal granite and compositionally simpler than most. Granite is a common coarse grained hard igneous rock consisting chiefly of quartz orthoclase or microcline and mica.

Applying this definition requires the mineral identification and quantification abilities of a competent geologist.