The area is underlain by Lower-Middle Jurassic rocks of the Harrison Lake Formation which are comprised of volcanic and epiclastic rocks varying from basalt to rhyolite in composition with rhyolites and dacites predominating and textures varying from massive flows to fine pyroclastics.

Rocks exposed on the SF property are a complex group of volcanic flows, pyroclastics and epiclastics. The epiclastic rocks are transitional from related lapilli to interbedded lapilli and fine bedded tuffs, volcanic sandstones, argillaceous black tuffs, crumbly mudstones and siltstones. A large area of rhyolite is centred on the headwaters of Wells Creek, and may be a rhyolite dome, which covers one square kilometre.

Mineralization consists of black or brown sphalerite, chalcopyrite and pyrite which occurs as fracture healings or vugs in leached, lapilli tuff. It may or may not be associated with quartz, carbonate or epidote alteration. The mineralized fractures are generally in the order of less than 1 centimetre thick and host very low silver and only trace gold.

W.M. Sharp sampled the area in the early 1960's and staked the SF 1-14 claims in 1972. Nielsen Geophysics identified anomalous zinc and copper the following year. Swim Lake Mines Ltd. optioned the claims in 1974, surveyed the area and drilled the property as the Woolybooger and Bigfoot 4 claims. In 1981, Lornex Mining Corporation Ltd. optioned the property as the Woolybooger, Bigfoot 4 and 5, and Little Bigfoot 1, in conjunction with adjacent claims (Bigfoot 103 and Duke) to the north (see Bigfoot, 092HSW094). Work included linecutting, soil sampling, geologic mapping, IP surveys and staking of the Emma 1 and 2 claims. They drilled several holes in the area in 1984.

A 1.8-metre drill intercept from drillhole 8 assayed 0.0575 per cent copper and 0.099 per cent zinc (Assessment Report 12213). In 1987, Stacia Ventures Inc. had Mountainside Management Limited conduct geological, geochemical and geophysical surveys on the Little Bigfoot property, which is part of the Bigfoot property to the south (092HSW094).