GEOCHEMISTRY AND MINERALOGY OF SOME . RADIOACTIVE PEGMATITES, ABU ZAWAL AREA, EASTERN DESERT, EGYPT

ATEF ABDELAZIZ EL NAHAS;

Abstract


Wadi Abu Zawal area locates m the Central Eastern Desert 1
I
and is generally bound by the latitudes 26° 351 and 25°451 Nandi the longitudes 33°101 and 33°301E.

The work aimed to investigate the petrographic and
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geochemical characteristics• of Abu Zawal radioactive pegmatites
. I
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and their granitic country rocks, in addition to the mineralogical
i
and radiometric characteristics of these pegmatites.


The Abu Zawal pegmatites associate and embedded in th
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granitic and granodioritic rocks in the area, neverthless one f
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these pegmatites locates on the border line between granites ruid
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metavolcanics. The detailed petrographic investigations of Aq'u
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Zawal pegmatites and their associated rocks are portrayed.


Granodiorites m Wadi Abu Zawal exhibit gradatio al


contacts with the granites. Quartz diorites

in Wadi Abu Shiliat
I

form the south-eastern corner of the studied area. I


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The essential minerals forming granodiorites are
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plagioclases, K-feldspars, quartz and green amphibole in addition
I
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to biotite. Modally thev range from typical granodiorite; to

monzogranites.


Other data

Title GEOCHEMISTRY AND MINERALOGY OF SOME . RADIOACTIVE PEGMATITES, ABU ZAWAL AREA, EASTERN DESERT, EGYPT
Other Titles دراسات جيوكيميائية وهيدروجيوكيميائية بمنخفض البحرية - الصحراء الغربية - مصر - تطبيقات لاستنتاج نشأة الخامات الاقتصادية
Authors ATEF ABDELAZIZ EL NAHAS
Issue Date 1997

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