The term granite broadly applies to any holocrystalline quartz-bearing plutonic rock, in which quartz makes up 10 to 50% of the felsic components, the alkali feldspar/total feldspar ratio is between 65 to 90%, and the modal concentration of mafic minerals is less than 10% (hornblende, biotite) ...

Granite is widely distributed in Egypt and occurs in large deposits at Aswan, in the Eastern desert, the Sinai, and to a smaller extent in the Western desert ...

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