Hematite from Gouba, Déou Department, Oudalan Province, Sahel Region, Burkina Faso
Burkina Faso | |
| [var. Martite] Neybergh, H., Laduron, D., Martin, H., Verkaeren, J. (1980) The vanadiferous magnetite deposits of the Oursi region, Upper-Volta. Economic Geology, 75 (7) 1042-1052 doi:10.2113/gsecongeo.75.7.1042 |