00485nas a2200073   4500008003900000245026000039210006900299856004300368       1979                          d00aHASHAD, A.H. and EL REEDY, M.W.M. 1979. Geochronology of the anorogenic alkalic rocks, South Eastern desert, Egypt. Annals of the Geological Survey of Egypt, 9: 81-101.MOHAMED, F.H. 1996. Geochemistry of Bir Um Hibal complex: alkaline syenites and granite0 aHASHAD AH and EL REEDY MWM 1979 Geochronology of the anorogenic   uhttps://alkcarb.myrocks.info/node/6951