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Understanding Granitization: A Key Process in Geology

Granitization is a process of alteration that occurs in some metamorphic rocks, particularly those that are rich in quartz and feldspar. It involves the transformation of these minerals into granite, which is a type of igneous rock that is characterized by its coarse-grained texture and high silica content.

Granitization can occur through a variety of mechanisms, including:

1. High-temperature metamorphism: When rocks are subjected to high temperatures, the minerals in the rock can undergo changes in their chemical composition and crystal structure, leading to the formation of granite.
2. Fluid-driven metasomatism: Fluids that are rich in dissolved minerals can penetrate into the rock and cause changes in the mineral composition, leading to the formation of granite.
3. Magmatic differentiation: When magma cools and solidifies, it can undergo differentiation, which involves the separation of the various minerals present in the magma into distinct layers or phases. This can lead to the formation of granite.

Granitization is an important process that has shaped the geology of many regions around the world. It is often associated with mountain-building events and the formation of large igneous provinces, and it can provide valuable insights into the geological history of a region.

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