The Polaris Cu-Mo occurrence is located 2 kilometres above the mouth of Polaris Creek, 4 kilometres north of Aiken Lake, and approximately 100 kilometres northwest of the community of Germansen Landing.
The property is underlain by Upper Triassic Takla Group andesitic breccias and tuffs, minor acidic tuffs, fetid black limestone, and shale. A major northwest-striking fault, the Polaris fault, terminates the mixed volcanic-sedimentary assemblage on the southwest, and a one kilometre thick section of grey to black siliceous pyritic argillite occurs southwest of the fault. The layered rocks are cut by small intrusive bodies of porphyritic quartz monzonite, biotite feldspar porphyry and diorite porphyry (Assessment Report 6037) which may by related to the Early Jurassic Hogem Plutonic Suite.
Chalcopyrite and minor molybdenite have been identified in fractures in small intrusive bodies of quartz monzonite (Assessment Report 6037). Chalcopyrite has also been found in fractures in pyritized volcanic rocks in the area. In 1976, a grab sample assayed 0.234 per cent copper and 0.004 per cent molybdenum (Assessment Report 6037, page 7).