الفهرس 
acknowledgmentOnly 14 pages are availabe for public view
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Abstract
part of numerous granitic rocks belonging to the group known as Younger
Granites, some are mineralized and lor exhibit geochemical specialization. The
petrogenetic evolution of these granitic rocks is still a matter of debate. The present
work is a systematic field work and detailed petrographical, mineralogical and
geochemical investigations of five mineralized younger granitic plutons and
associated metasomatites. The selected granitic rocks show two distinct
mineralization style. One group of granitic rocks is Sn, Be, F, Mo, bearing mineralized granite (e.g. Hornr Akarem, Mueilha, Igla), the other group is Nb-Ta,
W, Sn, bearing mineralized granites e.g. Abu Dabbab & Nuweibi.