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Within the West African Craton, there is a large amount of mining activity covering resources such as gold, copper, cobalt, silver, tin, and zinc. [ 24 ] Artisanal mining activity in the craton dates back to the early 1960s which used quartz vein debris as a gold indicator. [ 25 ]
Geologic map of the Tarkwa gold district in Ghana showing significant folding and faulting of the Birimian Geologic map of Birimian outcrops in Mali, at Bougouni and Kenieba. The Birimian rocks are major sources of gold and diamonds that extend through Ghana, Côte d'Ivoire, Guinea, Mali and Burkina Faso.
English: Sketch map showing major sedimentary basins of West Africa. ... Changed colours to uniform to other geological maps: 15:26, 7 February 2011: 614 × 468 (100 KB)
The geology of Africa is varied and complex, and gives rise to the wide variety of landscapes found across the continent. The African continent rests over two main plates. The African Plate , accounting for the whole of north Africa, and the Somali Plate , which accounts for the eastern side of mid and southern Africa. [ 1 ]
Satellite view of Africa 1916 physical map of Africa. The average elevation of the continent approximates closely to 600 m (2,000 ft) above sea level, roughly near to the mean elevation of both North and South America, but considerably less than that of Asia, 950 m (3,120 ft). In contrast with other continents, it is marked by the comparatively ...
Geologic map of the Tarkwa gold district in Ghana showing significant folding and faulting. The Man Shield (Leo-Man Shield or Leo-Man Craton) is a geological shield or craton in the southeast portion of the West African Craton. The shield is in part overlaid by gold-bearing Birimian formations.
The Richat Structure, or Guelb er Richât (Arabic: قلب الريشات, romanized: Qalb ar-Rīšāt, Hassaniyya: [galb er.riːʃaːt] ⓘ), is a prominent circular geological feature in the Adrar Plateau of the Sahara. It is located near Ouadane in the Adrar Region of Mauritania.
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