Geita gold mine

Large gold deposits are found in Precambrian Archean rocks of the Tanzania Craton. The Geita gold mine south of Mwanza and Lake Victoria is one of the largest in East Africa, being a type of deposit known as an orogenic gold deposit. Gold formed by a combination of geological events, in a region known as the Geita Greenstone Belt. As is often the case with mineral formation in rocks, hydrothermal fluid containing gold interacted with rocks in a fault zone, depositing the minerals. In Geita, sulphur…

Precambrian greenstone belts ore deposits gold mining Tanzania Archean