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Qualis Capes / BRAZIL as B3
Article Details ::
Article Name :
THE TECTONIC RELATION BETWEEN GABAL KILKABOB GRANITE AND THE RING COMPLEXES EMPLACEMENT, AT THE SOUTH EASTERN DESERT, EGYPT
Author Name :
Ata Abdelshafy
Publisher :
Ashok Yakkaldevi
Article Series No. :
ROR-778
Article :
Author Profile
Abstract :
Gabal Kilkabob granite is genetically and spatially related to the NE-SW major transform fault that controlled the ring complexes emplacement in the South Eastern Desert. Gabal Kilkabob granite take a semi rounded-NS oval shape(11x8 km) comprises Monzo-syenogranite in the middle grading to alkali-feldspar granite at the peripheries. Alkali-feldspar granite intrudes the surrounding island arc metavolcanics as well as monzogranite of Gabal Umm Ara. Monzo-syenogranite consists mainly of potash feldspar, plagioclase, quartz and mafic minerals with noticeable amount of opaque minerals. The main characteristic texture is equigranular with medium to coarse grain size.Porphyritic texture is also present. Alkali-feldspar granite are medium grained and characterized by hypidiomorphic granular texture and composed mainly of alkali-feldspar (orthoclase and minor microcline),quartz and subordinate plagioclase.The main mafic minerals are either amphibole or biotite. Accessories are represented by zircon, sphene,apatite and iron oxides.
Keywords :
 
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