Left - Geologic map of the Siguiri area, where X is Paleoproterozoic and Z is Neoproterozoic. Right - The Mali Empire in 1337, including the location of the Bambuk, Bure, Lobi, and Akan Goldfields
Placer gold is mined here.[4] North and northwest of Siguiri, and along the Tinkisso River, is the Bouré region. This region replaced Bambouk as a major gold producer in the 11th-12th centuries. Gold is also found along the Sankarani River.[5][6][7]
^Wright, J.B.; Hastings, D.A.; Jones, W.B.; Williams, H.R. (1985). Wright, J.B. (ed.). Geology and Mineral Resources of West Africa. London: George Allen & UNWIN. pp. 45–47. ISBN9780045560011.
^Imperato, Pascal; Imperato, Gavin (2008). Historical Dictionary of Mali. Lanham: The Scarecrow Press, Inc. p. 45.
^Meredith, Martin (2014). The Fortunes of Africa. New York: Public Affairs. p. 75. ISBN9781610396356.
^Shillington, Kevin (2012). History of Africa. London: Palgrave Macmillan. pp. 93, 97, 101–102, 110. ISBN9780230308473.