The Discovery I showing is located approximately 7 kilometres west of Whistler and 90 kilometres north of Vancouver.
The Discovery I mineral occurrence is situated within Lower Cretaceous Gambier Group rocks of the Callaghan Creek roof pendant, which is one of the many northwest-trending volcanic and volcanic-sedimentary pendants within the southern part of the Jurassic to Tertiary Coast Plutonic Complex. Contacts between roof pendants and the surrounding plutonic rocks are sharp and, commonly, are narrow shear zones with orientations subparallel to the main foliation of the roof pendant.
The occurrence is reportedly underlain by quartz diorite. To the immediate north, andesitic agglomerate and crystal tuff occur. Chalcopyrite occurs as a stockwork with pyrite, sphalerite, galena, chalcopyrite, malachite and tetrahedrite within a quartz-carbonate gangue.
In 1986 and 1987, Les Demczuk and Jim Cuttle completed geological mapping, prospecting and rock sampling. A quartz vein contained 1.15 grams per tonne gold, 74.8 grams per tonne silver and 5.57 per cent copper (Assessment Report 16443).
In 1988, Hadley Resources Inc. completed EM and magnetometer geophysical surveys and soil and rock sampling. Highlights include rock sample 59054 which assayed 10.2 per cent copper, 62.5 grams per tonne silver and 0.643 grams per tonne gold (Assessment Report 17851).
In 1992, Regeena Resources Inc. conducted geochemical soil surveys.
In 1993, Regeena Resources Inc. executed soil sampling, trenching and 510.65 metres of diamond drilling on the Discovery property. Drillhole DDH 93-5 returned a 0.9-metre section that graded 1.8 grams per tonne silver and 0.4 per cent lead (Assessment Report 23013).