Molybdenum-copper mineralization occurs over a 1500 by 600 metre area on either side of Boise Creek (Canon Creek), 12 kilometres northwest of the north end of Pitt Lake.

The showing is underlain by several elongate inclusions of meta-andesite and associated migmatite of the Middle Jurassic Harrison Lake Formation. The inclusions occur in Late Jurassic quartz diorite of the Tertiary to Jurassic Coast Plutonic Complex. The inclusions trend north-northeast and are up to 800 metres long.

Mineralization consists of pyrite, molybdenite, pyrrhotite and chalcopyrite. Mineralization occurs in silicified and crushed zones, up to 0.9 metres wide, and in a network of quartz veins which are 0.13 to 30 centimetres wide. One vein assayed 2.52 per cent molyb- denite over 30 centimetres (Bulletin 9, p. 60). The mineralization is best developed in the andesitic inclusions where fracturing and veining are more intense. Molybdenite is confined largely to the quartz veining and chalcopyrite is disseminated throughout the host rocks. Diamond drilling indicates that the mineralization continues to depths of at least 400 metres. A 1000 metre by 500 metre zone is reported to average 0.10 per cent copper and 0.014 per cent molyb- denite (Assessment Report 12569, p. 11).

In 1967 Carribean Exploration Corporation carried out geological and geophysical surveys and 2265 metres of diamond drilling. The mineralization was bulk sampled by American Canadian Mining Company (A. Hewitt and Associates) in 1917.