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![]() | La Fortune Property
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Geology The property is situated in Abitibi greenstone belt, a world famous geological province. The rocks of the area are Archean in age and are part of the Blake River Group, a east-west trending, differentiated volcanic sequence, bounded to the north by the Destor and Parfourou faults and by the Cadillac fault to the south. The Blake River volcanic pile comprises mafic and felsic flows and their associated volcaniclastic rocks. The mafic flows most often exhibit pillow textures while the felsic flows, tuffs and agglomerates form units of varying widths intercalated between the mafic flows. Several intrusive bodies (dykes, stocks or sills) of granodioritic composition transect the volcanic rocks of the area which are also intruded by three syenitic stocks : the Aldermac syenite to the north-east; the Baie Renault massif to the west and the lac Renault stock to the south-east. The principal megastructures affecting the rocks of the area are the Cadillac fault to the south, the Francoeur-Wasa shear towards the center and the Beauchastel and Ruisseau Horne faults at the center and to the north-east. At the level of the property, the southern part of the claim block comprises the Cobalt Group proterozoîc sediments composed of wackes and polygenic conglomerates; these rocks are subhorizontal and are discordant with the Archean units. North of the sediments, Archean rocks are represented by andesitic flows transected by a diorite and a rhyolite unit. |
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