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Location: 180 km SE from Ougadougou, Burkina Faso
Suite 310, Barkly Wharf, Le Caudan WaterfrontPort LouisMauritius
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Burkina Mining Company SA, a subsidiary of Soleil Resources International, owns and operates the Youga mine.
The gold deposits within the Youga, Ouaré and Balogo properties can be described as epigenetic, mesothermal (“lode”) gold deposits, demonstrating a strong structural control and relationship to regional scale shear zones. Similar deposits can be found in other areas of the late Proterozoic Birimian terranes of West Africa.At Youga and Ouaré, gold mineralisation is intimately associated with pervasive silicification, quartz veining and sulphidation (predominantly pyrite), although sulphide content is extremely low (generally <1%).The majority of the Youga gold deposits are hosted within the Tarkwaian sandstones, while Ouaré is hosted along the sheared contact between mafic volcanics to the north and quartz-feldspar porphyritic rocks to the south.Within the Youga deposit, there are two distinct styles of mineralisation: • Moderately to weakly silicified arkose with quartz stockwork veining and pyrite is the predominant sulphide which generally grades between 0.5 g/t and 2 g/t.• Intensely silicified arkose with abundant quartz veins and more diverse sulphides which generally grades >3 g/t.The Ouaré mineralisation is on the Bitou 2 Exploration Permit and has been delineated in three zones, along a strike length of 2 km.At the Ouaré Main zone, mineralisation occurs as quartz veins within shear zones at the contacts between felsic and mafic volcanics. Orpailleur workings have been developed along mineralised structures in two orientations: 090° and 315°. The 090° portion of these workings have multiple parallel quartz veins along shears in an interpreted dilation zone. The 315° portion is interpreted as a 100 m wide deformation zone, terminating the 090° trend.The gold mineralisation appears to preferentially follow the lithologic contacts between felsic volcanics and mafic volcanics, particularly within a shear zone of inter layered quartz-feldspar porphyritic and intermediate to mafic volcanic rocks. Gold mineralisation appears to be confined to a major 090° trending deformation corridor of dextral strike slip.
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