Caracteristics Of A Granite Rock Felsic

In reference to the coarse grained structure of such a holocrystalline rock the word granite comes from the latin granum a grain.

Caracteristics of a granite rock felsic.

Felsic rocks are usually light in color and have specific gravities less than 3. Treatise on geophysics second edition 2015. Granite is a common type of granular and phaneritic felsic intrusive igneous rock. For countertops the granite blocks are cut into granite slabs.

The most common felsic rock is granite. Felsic rocks are igneous rocks that are rich in feldspar and silicon. Because they are made of lighter elements they tend to be more. The most common felsic rock is granite.

Granite is made up of mostly quartz and feldspar. From this rock stone is cut for building purposes. Applying this definition requires the mineral. Granites can be predominantly white pink or gray in color depending on their mineralogy.

The term acid rock although sometimes used as a synonym in current usage refers to a high silica content greater than 63 sio 2 by weight volcanic rock such as rhyolite. Granite is an igneous rock that can be found in either the earth s crust or above ground. On the opposite side of the rock spectrum are the iron and magnesium rich mafic and ultramafic minerals and rocks. 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.

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 magma or lava is higher in viscosity than mafic magma lava. Felsic refers to silicate minerals magma and rocks which are enriched in the lighter elements such as silicon oxygen aluminium sodium and potassium. Granites depending on their mineralogy can be predominantly white pink or gray in colour.