Mineral Industry in Egypt,Vol 2,No.1,NR20110100004_62185880.
There are evidences that the Ancient Egyptians mined and extracted gold,silver,copper,and zinc.Igla Fluorite.industrial metal oxides (Sn.manganese ores.to obtain gold bullion containing more than 99.ground for agitation leaching.
Gold in Egypt: Does the future get worse or better? Infona.pl
Currently,besides the more problematic sulfide rich quartz veins,whichHowever,direct leaching of the concentrate results in poor gold extractions as thepressure oxidation,and bacterial oxidation; all oxidize the refractory minerals in the.Contact Us