The BEAVER showing is located on the east side of Mount Franklin, approximately 1.3 kilometres east of the summit.
The showing occurs in a brownish-red, sericite and chlorite altered volcanic tuff of the Devonian-Triassic Harper Ranch Group. The tuff is cut by 2 porphyry dikes, each about 1.2 metres wide, which are surrounded by intense fracture zones in the tuff. The fractures are filled with limonite, hematite, carbonate and flakes of native copper. Copper carbonate staining (malachite?) is noted on surface exposures.
In 1917, Maple Leaf Mines Ltd. drove a short 7.6-metre adit on the BEAVER showing. Native copper in fractures, found on the surface, persisted for only the first 3 metres in the tunnel, giving way to a few metres of minor fine-grained, disseminated pyrite and chalcopyrite in a fine-grained tuff. A microscopic examination showed that some of the pyrite contains minute quantities of chalcopyrite and gold (Minister of Mines Annual Report 1919, page 165).
In 1918, the platinum potential of the Franklin camp was investigated. A sample of the "best ore" exposed in the tunnel was assayed and found to contain 1.02 grams per tonne gold, but only a trace of platinum (Thomlinson, 1920).
In 1919, the adit, described as the lower tunnel, was driven westward into barren rock for about 50 metres. A 30-metre crosscut is also reported. In the following year, the tunnel was extended by another 30 metres. In 1921, a stock market promotion of Maple Leaf Mines collapsed, leaving a 104-metre tunnel, 96 metres of which was in barren rock, and a partly constructed 45-tonne smelter.
In 1964, Franklin Mines Ltd. sampled the mineralization exposed in the BEAVER tunnel. The average assay from 10.6 metres of channel sampling was 0.34 gram per tonne gold and 0.188 per cent copper (Assessment Report 637).
In the mid-1980s Longreach Resources Ltd. and Placer Dome Inc. carried out several exploration programs over the MAPLE LEAF (082ENE009) property, located several hundred metres to the northwest. However, there is no record that these programs included work on the BEAVER showing.
