The area of the Glacier 459255 showing is underlain by mafic volcanic rock of the Upper Triassic Stuhini Group.
A grab sample of malachite stained altered rock assayed 36.0 grams per tonne silver, 1.92 per cent copper, 0.04 per cent lead and 0.22 per cent zinc (Figure 10E, Assessment Report 21061; Rock Sampling Data Sheet, Assessment Report 19783).