What Does Granitic Magma Mean

Other articles where basaltic magma is discussed.

What does granitic magma mean.

Basaltic magmas that form the oceanic crust of earth are generated in the asthenosphere at a depth of about 70 kilometres. Italian granito from past participle of granire to make grainy from grano grain from latin grānum. Besides molten rock magma may also contain suspended crystals and gas bubbles. For example a large proportion of the zirconium in a given granitic rock may have a restitic origin but this does not necessarily mean that a similarly large proportion of the.

It forms from the slow crystallization of magma below earth s surface. Other articles where granitic magma is discussed. Granite is a light colored igneous rock with grains large enough to be visible with the unaided eye. Magma from ancient greek μάγμα mágma meaning thick unguent is the molten or semi molten natural material from which all igneous rocks are formed.

The mantle rocks located at depths from about 70 to 200 kilometres are believed to exist at temperatures slightly above their melting point and. A will of granite. A common coarse grained light colored hard igneous rock consisting chiefly of quartz orthoclase or microcline and mica used in monuments and for building. Due in part to the lower temperature felsic magma is much more viscous than mafic magma meaning it is much thicker and more resistant to flowing.

Although basaltic magma can result in basaltic rocks and granitic magma can result in granitic rocks they can also form other rocks depending on how quickly the magma cools. 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. 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.