The Mac showing occurs between Peachland Creek to the south and the open pit of the Brenda mine (092HNE047) to the north, about 3.2 kilometres southeast of Brenda Lake. See also 082ENW001 (Mac).
Fractured granodiorite of the Early Jurassic Pennask batholith is mineralized with small amounts of chalcopyrite and pyrite on, or near, quartz+/-orthoclase veins. Diamond drilling intersected minor molybdenite and copper mineralization in granodiorite.
Anuk River Mines Ltd. drilled 15 diamond drillholes totalling 1207 metres and 23 percussion holes in 1966.