Arid
Geology, mineralogy and chemistry of some selected Pb-Zn-Cu deposits in eastern desert and Sinai Egypt
Hassan, Mervat Said
通讯作者Hassan, Mervat Said
会议名称12th Biennial SGA Meeting on Mineral Deposit Research for a High-Tech World
会议日期AUG 12-15, 2013
会议地点Uppsala, SWEDEN
英文摘要

Lead-Zinc deposits are located in Phanerozoic sediments and crops out in seven areas in the Southern part in the Eastern Desert on the Red Sea. The Zn-poor zone of Urn Gheig characterized by low ZnO and PbO content. High content of SiO2 and Al2O3 reflected the abundance of quartz, clay minerals and feldspar. Meanwhile, the high Fe2O3 value in some samples revealed the abundance of hematite, goethite as well as jarosite minerals. Meanwhile, the ZnO content in the Zn-rich zone of Urn Gheig ranged between 25 to 52% compared with 3-14.9% for PbO. The Geological Survey of Egypt estimates the reserves in Um Gheig as 1.5 million tons with an average assay of 13.8% Zn and 2.3% Pb.


Stratifornn Massive Sulphides in Urn Samuki, Eastern Desert represented by Cu-Pb -Zn association. Chemical analysis of primary sulphide samples showed high content of ZnO and SO3 compared with oxidation and supergene zone. Shpalerite is abundance in the primary sulphides zone. In general zinc is predominant in the ore with subordinate amounts of copper and lead. The ore body in the Western mine assays 2.2 % Cu, 21.6 % Zn, 0.5 % Pb and 109 g/t Ag with total reserves of 200,000 tons while the Eastern mine is less in metal content where Cu possess 1.8 %, Zn 13.6% and Pb3.4 %.


Cu-bearing granite and quartz in Wadi El Samra, Sinai characterized by high content of SiO2, Al2O3, K2O and Fe2O3. The abundance of these oxides attributed to quartz and mica. Meanwhile, the low S content in the oxidation and supergene zone revealed the abundance of copper carbonate compared with copper sulphides.


英文关键词Lead-Zinc -Copper Eastern Desert Sinai Egypt
来源出版物MINERAL DEPOSIT RESEARCH FOR A HIGH-TECH WORLD, VOLS. 1-4
出版年2013
页码628-631
ISBN978-91-7403-207-9
出版者SGU-SVERIGES GEOLOGISKA UNDERSOKNING-GEOLOGY SURVEY SWEDEN
类型Proceedings Paper
语种英语
国家Egypt
收录类别CPCI-S
WOS记录号WOS:000337983900158
WOS类目Geosciences, Multidisciplinary ; Mineralogy ; Mining & Mineral Processing
WOS研究方向Geology ; Mineralogy ; Mining & Mineral Processing
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/301285
作者单位(1)Cent Met R&D Inst, Cairo, Egypt
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Hassan, Mervat Said. Geology, mineralogy and chemistry of some selected Pb-Zn-Cu deposits in eastern desert and Sinai Egypt[C]:SGU-SVERIGES GEOLOGISKA UNDERSOKNING-GEOLOGY SURVEY SWEDEN,2013:628-631.
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