Geochemistry and mineral chemistry of Pan-African amphibolites of South Sinai,Egypt |
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Authors: | Mohamed El-Tokhi Bahaa Eldin Amin Sulaiman Alabeed Abdulla Musallam |
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Affiliation: | Geology Department, College of Science, United Arab Emirates University, Al-Ain, P.O. Box. 17555, United Arab Emirates |
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Abstract: | In the Wadi Feiran area, amphibolites occur as inclusions, bands, linear bodies of variable thickness and irregular lenses in para-geneisses. Chemical evidence indicates that these amphibolites display an igneous origin and were derived from magma essentially of tholelitic rather than alkaline composition; transitional in character between continental and island-arc. The chemistry of amphiboles, related to pressure and temperature conditions of meta-morphism, showed that they were formed under low pressure and high temperature conditions. |
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Keywords: | Pan-African amphibolite geochemistry mineral chemistry Sinai,Egypt |
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