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The Sukari granitoid pluton is situated in the southern central Eastern Desert of Egypt and is considered as one of the best examples of the gold-bearing granites in the Arabian Nubian Shield (ANS).It consists of coarse- to medium-grained alkali-feldspar granite, syenogranite and monzogranite intruded the volcano-sedimentary sequences and metagabbro-diorite complex. Geochemically, these granitoids are metaluminous to peraluminous in character. Moreover, they show pronounced LREE-enriched patterns and negative Eu anomalies that indicate plagioclase fractionation. rocks are typical of within…mehr

Produktbeschreibung
The Sukari granitoid pluton is situated in the southern central Eastern Desert of Egypt and is considered as one of the best examples of the gold-bearing granites in the Arabian Nubian Shield (ANS).It consists of coarse- to medium-grained alkali-feldspar granite, syenogranite and monzogranite intruded the volcano-sedimentary sequences and metagabbro-diorite complex. Geochemically, these granitoids are metaluminous to peraluminous in character. Moreover, they show pronounced LREE-enriched patterns and negative Eu anomalies that indicate plagioclase fractionation. rocks are typical of within plate granites generated in tensional environment. They belong to ferroan/A-type granites, particularly A2-type suggesting post-collisional setting. Their high SiO2, Al2O3 and low MgO contents along with the low Ce/Pb ratios reflect derivation from melting crustal source. The kinematic indicators are represented by mylonites, quartz fish and augen structures. Mineralization in Sukari area foundas quartz veins, stockworks and brecciated veins.
Autorenporträt
Tarek Sedki, a seasoned expert in mineral exploration, possesses a Ph.D. in Mineralogy and excels in hard rocks and geochemistry. His impactful contributions stem from extensive research, practical experience, and a distinguished role as a Senior Exploration Geologist at SMRC, specializing in gold exploration in Egypt.