What Does Granitic Mean In Science

Granite definition is a very hard natural igneous rock formation of visibly crystalline texture formed essentially of quartz and orthoclase or microcline and used especially for building and for monuments.

What does granitic mean in science.

Granite coarse or medium grained intrusive igneous rock that is rich in quartz and feldspar. 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. 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. Basaltic magmas that form the oceanic crust of earth are generated in the asthenosphere at a depth of about 70 kilometres.

Magmatic dikes form when magma flows into a crack then solidifies as a sheet intrusion either cutting across layers of rock or through a contiguous mass of rock. Other articles where basaltic magma is discussed. A will of granite. The mantle rocks located at depths from about 70 to 200 kilometres are believed to exist at temperatures slightly above their melting point and.

It is the most common plutonic rock of the earth s crust forming by the cooling of magma silicate melt at depth. How to use granite in a sentence. Granite is a light colored igneous rock with grains large enough to be visible with the unaided eye. Granite rock has become so common in homes and buildings that anyone these days can name it when they see it in the field.

A dike or dyke in geological usage is a sheet of rock that is formed in a fracture of a pre existing rock body. Dikes can be either magmatic or sedimentary in origin. Italian granito from past participle of granire to make grainy from grano grain from latin grānum. What is the difference between the abbreviations i e.

A common coarse grained light colored hard igneous rock consisting chiefly of quartz orthoclase or microcline and mica used in monuments and for building. How to use i e. Learn more about the properties and uses of granite in this article. What does granitic mean.

Clastic dikes are formed when sediment fills a pre existing crack. But what most people would call granite geologists prefer to call granitoid until they can get it into the laboratory. That s because relatively few granite rocks out there are truly petrologically granite.