الفهرس | Only 14 pages are availabe for public view |
Abstract Geological, petrographical, petrological and geochronological studies on the Egyptian basement which is a part of the Arabian-Nubian Shield, indicated that this basement was mainly developed in the late Proterozoic during the Pan-African tectono-thermal event (>900-540 Ma ago) (Garson and Shalaby, 1976; Gass 1979 and 1981; Dixon, 1979 and 1981; Engel et al., 1980; Church, 1983 Gillespie and Dixon, 1983; and Vail, 1985). |