PDF Lega Dembi gold deposit in southern Ethiopia
·The Lega Dembi gold deposit in the Late Proterozoic meta volcanosedimentary Megado belt in southern Ethiopia constitutes the largest primary gold mine in the country
Geological map of the Belingwe greenstone belt modified
The Belingwe belt in Zimbabwe is probably the best preserved late Archaean greenstone belt known The basal unit that rests unconformably on upto Ga old granitoid gneisses and Mtshingwe Group
The nature and composition of hydrothermal fluids related to gold
·The Lega Dembi gold deposit in the Adola greenstone belt in southern Ethiopia is the only active mining site in the country The estimated reserve of gold in this deposit is 62 tons and is associated with a shear zone within low grade volcano sedimentary rocks of the Neoproterozoic age Tadesse et al 2003a 2003b
Multistage Au As Sb Mineralization and Crustal Scale
lands greenstone belt may be given by the intrusion age of the gold bearing Ford porphyry close to the Indarama mine which was dated at ± Ma Davis 2000
Artisanal and Small Scale Mining ASM in Ethiopia MoM
Ethiopia s long history of artisanal mining spans three millennia The gold deposits in Ethiopia s rivers for example have been exploited for thousands of years by small scale miners Well known artisanal and small scale mining areas in Ethiopia s rich Greenstone Belts are displayed in the map below Artisanal mining employment and
ADOLA GOLD ETHIOPIAN MINERALS FACT SHEET
·Except for epithermal gold deposits all the varieties that have been identified are found in Ethiopia s greenstone belts Southern greenstone belt • Hagere Mariam and Arero greenstone region • Moyale greenstone region • Adola Kenticha belt includes Lega Dembi Sakaro Okote Wollena Kumudu Megado Serdo Dawa Di gati Bore Abab
The geology of the Lega Dembi gold deposit
·However hitherto developed large scale gold mine in Ethiopia is the Lega Dembi gold mine It is situated in the southern greenstone belt area with an estimated reserve of 82 tons of gold and is being run by a private owned investment with an average production of tons of gold per year Ministry of Mines and Energy of FDRE 2009 p 2
Abyssinian Gold Mining in Ethiopia
The Adola Gold Belt was prospected between 1979 1982 by the Ethiopian Mineral Resources Development Corporation for the Adola Gold Exploration Project During this time a number of primary and placer gold targets as well as other mineral occurrences were identified including the Lega Dembi and Sakaro primary gold deposits in the Megado belt
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