{"product_id":"metallic-ore-deposits-of-the-nubian-shield-in-egypt-von-mahmoud-hassaan","title":"Metallic Ore Deposits of the Nubian Shield in Egypt","description":"\u003cp\u003eIn Egypt Au, Cu-Zn ,BIF, Sn-W,W-Mo, SN-Nb-Ta  deposits occur in Nubian Shield Tectonic environs  control distribution of 120 vein and dyke gold  deposits. Promising Au sites are given. Seven Zn-Cu- Pb-As ores occur in island arc meta-volcanic suites.  Liho-structures control its distribution and present  position that favored record of new Cu-Zn  mineralization in arcute meta-volcanic belt at W.  Allaqi upper reaches. Cu-Pb ore in meta-volcano- sediments exists in Um Zerieq-Kid in Sinai. Copper  porphyry could exist at Um Qiesum granodiorite  porphyry. Algoma-type BIF in island arc meta- andesite and its tuffs occur at 13 localities in the  Eastern Desert with 50 million tons reserves of  concentrate. Tremendous Superior Lake BIF exists in  Archaean gneisses in Owienat district. Both BIF ores  are rich in gold. Magmatic Muscovite-microcline  quartz-albite granites existing in Abu Dabbab, Igla  and Nuweibi in the Eastern Desert are Sn-W and Sn-  Nb- Ta bearing.\u003c\/p\u003e\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9783844315790\"\u003e\u003ch3\u003eTectonic Environs, Geochemical Behavior promising sites\u003c\/h3\u003e\u003c\/div\u003e","brand":"Autorenwelt Shop","offers":[{"title":"Softcover - 9783844315790","offer_id":39470043529309,"sku":"9783844315790","price":79.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/026eea18-61e8-4b50-a952-f677d3057dc2.jpg?v=1768888274","url":"https:\/\/shop.autorenwelt.de\/products\/metallic-ore-deposits-of-the-nubian-shield-in-egypt-von-mahmoud-hassaan","provider":"Autorenwelt Shop","version":"1.0","type":"link"}