| Le Mignot, Elodie, Siebenaller, Luc, Béziat, Didier, André-Mayer, Anne-Sylvie, Reisberg, Laurie, Salvi, Stefano, Velasquez, Germán, Zimmermann, Catherine, Naré, Athanase, Franceschi, Guy (2017) The Paleoproterozoic Copper-Gold Deposits of the Gaoua District, Burkina Faso: Superposition of Orogenic Gold on a Porphyry Copper Occurrence?. Economic Geology, 112 (1) 99-122 doi:10.2113/econgeo.112.1.99 | Journal (article/letter/editorial) | Paleoproterozoic Copper-Gold Deposits of the Gaoua District, Burkina Faso: Superposition of Orogenic Gold...9040 Gent, Belgique Abstract The Gaoua mining district, underlain by Paleoproterozoic volcanic and intrusive...LA-ICP-MS reveal compositions rich in Ag, As, Au, Bi, Cu, and Pb. Pyrite with this signature was only observed...metamorphosed porphyry copper mineralization in the Gaoua district is overprinted by orogenic gold mineralization...mineralization. Formation of the early porphyry copper deposit took place at 2165 ± 24 Ma based upon Re-Os dating |
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