The Maude Adams occurrence is underlain by Upper Triassic Quatsino Formation limestone close to the fault contact (Holly fault) with Upper Triassic Karmutsen Formation amygdaloidal basalt, both of the Vancouver Group.

A pit exposes a gossanous, small quartz vein close to a limestone outcrop. A rock sample assayed up to 0.68 grams per tonne gold (Assessment Report 14827).

Past development included a shaft which was sunk in limestone where a pocket of chalcopyrite and pyrite ore was encountered hosted in a siliceous limestone gangue.