Caracteristics Of A Granite Rock Felsic

The most common felsic rock is granite.

Caracteristics of a granite rock felsic. Granite is made up of mostly quartz and feldspar. Treatise on geophysics second edition 2015. Because they are made of lighter elements they tend to be more. Granites can be predominantly white pink or gray in color depending on their mineralogy.

Felsic rocks can be produced by metamorphism of both igneous and sedimentary protoliths e g granite and arkose respectively and are rich in silicon sodium na potassium calcium aluminum and lesser amounts of iron. The word felsic was made up from parts of those words. Felsic refers to silicate minerals magma and rocks which are enriched in the lighter elements such as silicon oxygen aluminium sodium and potassium. Felsic magma or lava is higher in viscosity than mafic magma lava.

Felsic rock felsic rocks include dacite rhyolite their intrusive equivalents of granodiorite and granite and a variety of less common rock types with higher or lower contents of na and k. Felsic rocks are usually light in color and have specific gravities less than 3. On the opposite side of the rock spectrum are the iron and magnesium rich mafic and ultramafic minerals and rocks. In reference to the coarse grained structure of such a holocrystalline rock the word granite comes from the latin granum a grain.

Granites depending on their mineralogy can be predominantly white pink or gray in colour. From this rock stone is cut for building purposes. 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. Granite ˈɡrænɪt is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture.

Granite is an igneous rock that can be found in either the earth s crust or above ground. Granite is a common type of granular and phaneritic felsic intrusive igneous rock. Applying this definition requires the mineral. Felsic rocks are igneous rocks that are rich in feldspar and silicon.