The MAC showing is located approximately 500 metres southwest of the Brenda mine mill site and approximately 21.5 kilometres northwest of Peachland. The area covered by the MAC claims adjoins the Brenda mine property (092HNE047).
This area is underlain by granodiorite and porphyritic quartz diorite of the Early Jurassic Pennask Batholith, which is locally known as the Brenda stock.
Fractured granodiorite contains small amounts of chalcopyrite and pyrite on or near veins and stockworks similar to those on the Brenda mine property (Minister of Mines Annual Report 1966, page 185). Lamprophyre and trachyte porphyry dikes trend easterly and are approximately 1 metre wide.
The MAC claims were held by Anuk River Mines Ltd. during the exploration boom around the Brenda mine in the late 1960s. In 1966, they carried out a major program which included 23 percussion drillholes and 1207 metres of diamond drilling in 15 holes. No assessment reports were filed on this program; however, other sources (Minister of Mines Annual Report 1966, page 185) state that all of the drillholes were collared in granodiorite, and that small amounts of copper and sub-economic molybdenum were encountered. Notations on a surface plan of the property indicate that drill cores assayed as high as 0.152 per cent molybdenum; copper values were less than 0.2 per cent (Property File - Anuk River Mines Ltd.(1966): Surface Plan). The plan does not indicate if these are average or best assays.