The Noble 3 occurrence is located on a high bluff west of Kootenay Lake and approximately 1.3 kilometres southwest of Ainsworth.

Regionally, the area is underlain by hornblende schists, limestone and banded quartzite of the Upper Mississippian to Permian Milford Formation and basaltic volcanic rocks of the Carboniferous to Permian Kaslo Group. Granodioritic intrusive rocks of the Middle Jurassic Nelson Batholith are exposed to the west.

Locally, hornblende schist of the Carboniferous to Permian Kaslo Group hosts a quartz vein striking 300 degrees and dipping steeply south. The vein contains coarse galena, sphalerite and pyrite locally in well-formed cavities between quartz crystals. The vein has been traced for "several hundred feet" and is less than 30 centimetres thick.

Work History

In 1895, a 15-metre deep shaft had been developed on the claim.

In 1979, David Minerals Ltd. conducted a program of geochemical (stream and silt) sampling on the area as the Peanut Butter claims of the Ainsworth property.

In 2012, David Wallach prospected and rock sampled the area as the Ainsworth property. In 2023, Turnagain Resources Inc. conducted a program of prospecting, rock sampling and aerial photo structural interpretation on the Ainsworth property.