What Does Granitic Composition Mean

Pegmatite is an igneous rock composed almost entirely of crystals that are over one centimeter in diameter.

What does granitic composition mean.

Specimen is about 4 5 x 3 5 x 3 5 centimeters. 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. When magmas are judged by mineral composition like this they are technically referred to as felsic which is granitic and mafic which is basaltic. It forms from the slow crystallization of magma below earth s surface.

A crystal of imperial topaz on an albite matrix from a pocket in the katlang pegmatite of pakistan. The specimen shown here is about two inches five centimeters across. A common coarse grained light colored hard igneous rock consisting chiefly of quartz orthoclase or microcline and mica used in monuments and for building. Learn more about the properties and uses of granite in this article.

Strictly speaking granite is an. Granite definition a coarse grained igneous rock composed chiefly of orthoclase and albite feldspars and of quartz usually with lesser amounts of one or more other minerals as mica hornblende or augite. Information and translations of granitic in the most comprehensive dictionary definitions resource on the web. In contrast granitic pegmatites are found in the zomba mountain and malosa mountain a common misconception is that a pegmatite is granitic in composition the snieznik and gierahow gneisses have granitic compositions the complex also contains granitic to monzonitic rocks.

Granite ˈ ɡ r æ n ɪ t is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture. Italian granito from past participle of granire to make grainy from grano grain from latin grānum. Granite coarse or medium grained intrusive igneous rock that is rich in quartz and feldspar. Granitic magma has high levels of potassium and sodium while basaltic magma has very low levels of these minerals.

Granite is a light colored igneous rock with grains large enough to be visible with the unaided eye. Having the nature of granite. It is the most common plutonic rock of the earth s crust forming by the cooling of magma silicate melt at depth. 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.

A will of granite.