GRANITE

Granite is a coarse-grained intrusive igneous rock composed in general of quartz, alkali feldspar, and plagioclase. It bureaucracy from magma with a excessive content material of silica and alkali metallic oxides that slowly cools and solidifies underground. It is not unusualplace withinside the continental crust of Earth, wherein it's miles observed in igneous intrusions. These variety in length from dikes just a few centimeters throughout to batholiths uncovered over loads of rectangular kilometers.

Granite is standard of a bigger own circle of relatives of granitic rocks, or granitoids, which might be composed in general of coarse-grained quartz and feldspars in various proportions.