The PW3 occurrence is located about 90 kilometres east-southeast of Dease Lake.

The region is underlain by upper Mississippian to Permian Cache Creek Complex rocks including volcanic, metavolcanics (greenstone), metasediments, gabbro and tectonically emplaced ultramafic rocks. The upper Mississippian to Permian ultramafic rocks consist of peridotite, dunite and pyroxenite which are generally serpentinized.

The PW3 area is reported to be underlain by tuffaceous rocks, typically silicified, malachite stained and containing up to 10 per cent pyrite, pyrrhotite and from 1 to 2 per cent disseminated chalcopyrite. Grab sample 4009 assayed 3.3 grams per tonne silver and 0.7 per cent copper; and a sample of talus (sample 4310) yielded 0.15 gram per tonne gold, 4.9 grams per tonne silver and 2.1 per cent copper (Assessment Report 14137).

In 1985, Getty Canadian Metals conducted a geological survey and took 234 rock and 134 soil samples. No other work is documented. See related occurrences PW1 (104I 113) located 1.3 kilometres east and WW3 (104I 114) located 2.5 kilometres north.