The Formation Of Granite

Stoping where the granite cracks the wall rocks and pushes upwards as it removes blocks of the.

The formation of granite.

To form granite magma must first cool underground. There are a variety of granite uses and the granite reserves are found in many countries around the world. Granite is formed by the solidification of magma under the earth s surface. The alkali feldspars are often pink resulting in the pink granite often used as a decorative stone.

Generally the slower the molten rock cooled the larger it s mineral crystals with k feldspar megacrysts forming in special circumstances greater than 5cm. Granite is more common in continental crust than in oceanic crust and has a felsic composition. Granite is an intrusive igneous rock which means it was formed in place during the cooling of molten rock. Granite formation took place millions of years ago.

They are crystallized by felsic melts that are less dense than mafia rocks and therefore tend to ascend to the surface. The rocks in the earth s crust continuously undergo changes in their composition which leads to formation of other rocks. Each rock has a unique formation process. Granitic magma must make room for itself or be intruded into other rocks in order to form an intrusion and several mechanisms have been proposed to explain how large batholiths have been emplaced.

Granite crystallizes from silica rich magmas that are miles deep in earth s crust.