Is Granite Mafic Felsic Or Intermediate

Part i volcanic extrusive rocks.

Is granite mafic felsic or intermediate.

Typical intermediate rocks include andesite dacite and trachyandesite among volcanic rocks and diorite and granodiorite among plutonic rocks. Felsic intermediate mafic ultramafic. Granite is a great example of felsic rocks and muscovite quartz and some feldspar are the best examples of felsic minerals. This is an order showing increased silica content.

Diorite is an intermediate rock equivalent to andesite. Felsic magmas are much more viscous than the intermediate magmas. Intrusive rocks are classified the same way extrusive rocks are according to the relative amounts of feldspars quartz and ferromagnesian minerals. Therefore rocks are divided into ultramafic mafic intermediate and felsic.

Granite is the name given to intrusive felsic rocks whereas rhyolite is the name given to extrusive felsic rocks. In igneous petrology an intermediate composition refers to the chemical composition of a rock that has 52 63 wt sio 2 being an intermediate between felsic and mafic compositions. Mafic rocks have between 45 and 55 of silica whereas felsic rocks have over 65 of silica the highest of all types. Felsic intermediate mafic which of the following properties increases in the direction of the arrows in the sentence above.

Basalt is an extrusive mafic volcanic rock. What type of magma forms at mid ocean ridges. Basalt andesite ultramafic granite. Intermediate lava has a lower silica content than felsic lava but not as high magnesium or iron levels as found in mafic lava.

Intermediate 1472 1832 degrees fahrenheit. Mafic vs felsic mafic and felsic are categories into which igneous rocks are classified. Melting temperature potassium content silica content viscosity. And granite is.

Due to the color of the minerals forming them the rocks are either light or dark. It is commonly erupted as passive lava flows due to its low viscosity. Additionally felsic magmas may have very high gas contents. The lava flow has a medium viscosity as well and once cooled the resulting rock is known as andesite.

Mafic felsic and intermediate intrusive rocks. For example granite contains around 70 of silica. Rhyolite is not a mafic rock but a felsic rock high in silicates and similar to granite in composition.