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Location: 35 km NW from Yamoussoukro, Cote d'Ivoire
Cocody, Deux Plateaux, Rue L125 Lot 2139; ilot 186 bisAbidjanCote d'Ivoire28 BP 571
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Yaouré may be described as orogenic lode-style gold mineralisation. The Yaouré project comprises several neighbouring gold deposits, including Yaouré and CMA, that occur near the south-eastern flank of the Bouaflé greenstone belt in central Côte d’Ivoire. Mineralisation is hosted by Paleoproterozoic-aged metabasalts and granodiorites of the Birimian Supergroup. The rocks are metamorphosed to lower greenschist facies and only locally feature penetrative deformation fabrics. Timing of the gold mineralisation event at Yaouré is dated to have occurred circa 2,105+4 Ma associated with crustal shortening. Gold mineralisation is predominantly associated with quartz-albite-carbonate veining in reverse fault (Y) structures, forming a series of interconnected lodes with the best developed structures typically dipping at 25 to 30 degrees to the east. Gold mineralisation is also associated with extensional sub-vertical strike-slip fault (S) structures commonly orientated in a general east-west strike, in addition to the reverse fault structures. Gold is associated with disseminated pyrite within veins and altered wall-rocks. Arsenopyrite and molybdenite occur in trace quantities. No significant concentrations of other economic metals or deleterious elements are known to occur with the mineralisation. The CMA Underground Mineral Resource comprises fifteen discrete lodes with typical thicknesses ranging from 2-3 metres up to 15-20 metres. Eighty-nine percent of the Indicated Mineral Resource tonnage and ninety-two percent of the Indicated Mineral Resource contained ounces is hosted in the principal CMA and bifurcated hangingwall lode (structure).CMA underground Mineral Resource extends from the designed base of the CMA open pit to a maximum vertical depth of approximately 185 metres for Indicated Resources and 350 metres for Inferred Resources. The corresponding down-dip extents beneath the pit design base are approximately 400 metres and 700 metres. The Mineral Resource extends over 1,400 metres in strike length and mineralisation remains open along the moderately plunging trend to the north.CMA Open Pit – CMA Underground The Mineral Resource extends along a broadly north-south strike for approximately 1,400 m. Mineralisation has been identified extending down-dip over 700 m (500 m below surface) transiting continuously from the CMA Open Pit through to the CMA Underground. The major lode varies between 10-20 m with a series of minor lodes with thicknesses of several metres.
