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In an effort to understand the genesis of the pegmatitic rocks of El-Hudi and Um Hibal areas, detailed field, petrographic, and geochemical investigations were conducted. These investigations revealed evidence of two distinct modes of emplacement of these rocks. El-Hudi pegmatites are emplaced concordantly in a belt of folded gneisses and migmatites that mostly fit well with a metasedimentary protolith,...
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