Alkaline Rocks and Carbonatites of the World

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Ghorab Raiyan

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Occurrence number: 
049-00-029
Country: 
Egypt
Location: 
Longitude: 33.95, Latitude: 24.1

A 4x2.5 km granite stock located 2 km east of the southern end of Gabal Ghorab Raiyan (a complex of biotite and muscovite granites) consists of biotite and biotite-riebeckite granites, the amphibole in the latter forming large prisms. An average chemical composition is available (El Ramly et al., 1982).

References: 
EL RAMLEY, M.F., HILMY, M.E., ALI, M.M. and HASSAN, O.A. 1982b. Petrological and petrochemical studies on some young granite masses in the South Eastern desert of Egypt. Annals of the Geological Survey of Egypt, 12: 73-102.
Location: 
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith