Geochemical studies of some granites from the South Western Desert, Egypt

El Sokkary A. A. and El Ramly M. F. and Salloum G. M. and Aly Monir M.: Geochemical studies of some granites from the South Western Desert, Egypt. In: Acta mineralogica-petrographica, (23) 2. pp. 223-237. (1978)

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Abstract

The present work is the first detailed petrochemical and geochemical studies done on some 18 granitic rocks collected from the south Western Desert of Egypt. The petrochemical work includes complete chemical analyses of these rocks beside calculation of the CIPW norms,- NIGGLI values, D. I. , F. I. and M . I. Thirteen trace elements are quantitatively determined, these are: Ba, Rb, Sr, Y, Zr, Nb, La, Ce, Nd, Cr, Ni, Zn and Cu. These chemical studies established the presence of five rock types: grey granite, Aswan-type granite, normal pink-red granite, strongly fractionated pink-red granite and syenite.'It is concluded that the basement rocks of Egypt developed in the Eastern Desert and Sinai peninsula are extended across the Nile, mostly subsurface, in the southern parts of the Western Desert. To the first time, Aswan coarse granites are proved to occur in the south Western Desert. This makes them of much wider aereal distribution than previously known. On account of their peculiar chemical composition, Aswan plutonites can be grouped in a separate plutonic cycle.

Item Type: Article
Journal or Publication Title: Acta mineralogica-petrographica
Date: 1978
Volume: 23
Number: 2
ISSN: 0365-8066
Page Range: pp. 223-237
Language: English
Publisher: University of Szeged, Department of Mineralogy, Geochemistry and Petrology
Place of Publication: Szeged
Related URLs: http://acta.bibl.u-szeged.hu/39397/
Uncontrolled Keywords: Kőzettan, Ásványtan, Földtan, Geokémia
Additional Information: Bibliogr.: 237. p. ; ill. ; összefoglalás angol nyelven
Subjects: 01. Natural sciences
01. Natural sciences > 01.05. Earth and related environmental sciences
Date Deposited: 2016. Oct. 17. 09:25
Last Modified: 2022. Jul. 25. 10:46
URI: http://acta.bibl.u-szeged.hu/id/eprint/24631

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