The Ken occurrence is located on the south western side of Adder Mountain, at an elevation of approximately 600 metres.

The area is underlain by andesite and basalt of the Upper Triassic Karmutsen Formation, Vancouver Group and by minor felsite flows. These are intruded by quartz monzonite, quartz diorite and diorite of the Jurassic Island Intrusions.

Copper mineralization occurs at several localities over a distance of about 750 metres, near the west bank of a southwest flowing creek. The largest zone, the B zone, is approximately 90 by 90 metres in area.

Mineralization within the Karmutsen rocks includes chalcopyrite, specularite, bornite, malachite and azurite. Chalcopyrite generally occurs: 1) as infillings along shears and fractures with quartz and calcite or 2) within amygdules (with minor bornite) in the volcanic flows. In 1975, a 3 metre chip sample from one shear zone assayed 0.42 per cent copper with individual samples up to 2.45 per cent copper. Samples of amygdaloidal basalt containing chalcopyrite assayed in excess of 0.5 per cent copper and up to 1.7 per cent copper (Assessment Report 5624).

In 1968, Raw Materials completed a program of silt and soil sampling and geological mapping on the area as the Vent claim. In 1969 and 1970, programs of silt and soil sampling, geological mapping and a ground magnetometre survey were completed. In 1971, Croydon Mines Limited completed ground magnetometre and induced polarization surveys. In 1975, J.C. Graham completed a program of prospecting and rock sampling on the area as the Ken claims.