The BB 45 showing area is underlain by sedimentary tuff, fragmental tuff, augite porphyry and andesite tuff of the Upper Triassic Stuhine Group. Map 5 (Assessment Report 3640) shows an outcrop of sedimentary tuff with pyrite and chalcopyrite, located about 550 metres east from the north end of Skeeter Lake.
Refer to BB 38 (104G 119) or BB 57 (104G 118) for related geological details and work history.