The Process Of Granite Formation

Generally the slower the molten rock cooled the larger it s mineral crystals with k feldspar megacrysts forming in special circumstances greater than 5cm.

The process of granite formation.

Granite is formed by the solidification of magma under the earth s surface. Granite is actually made up of several different minerals including feldspar and quartz. Granite is an intrusive igneous rock which means it was formed in place during the cooling of molten rock. Each rock has a unique formation process.

Granite is more common in continental crust than in oceanic crust and has a felsic composition. To form granite magma must first cool underground. Formation of granite is explained below. Many mineral deposits form near crystallizing granite bodies from the hydrothermal solutions that such bodies release.

Granite s formation inside the earth below what is known as the mantle layer is a layer of molten rock formed by radioactive elements that occur naturally as the ground breaks down and decays. They are crystallized by felsic melts that are less dense than mafia rocks and therefore tend to ascend to the surface. The name appeared for the first time in works of the english botanists physician and philosopher caesalpinus in the 16th century. Granite crystallizes from silica rich magmas that are miles deep in earth s crust.

The rocks in the earth s crust continuously undergo changes in their composition which leads to formation of other rocks. Granite is an intrusive igneous rock which is very hard crystalline and is visibly homogeneous in texture and forms by melting of continental rocks.