Petrography and geochemistry of the granitoid rocks, South Wadi Al Att, South Sinai, Egypt.

these granites consists the southern traiangular area of Sinai.  They include alkali  feldspar granite and alkali feldspar quartz syenites.  these rocks are alkaline and simulating in this respect the younger granites of the Eastern Desert, (Group III)

They are interplate anorogenic formed through the melting of pre-existing crustal rocks.