The Big Chief occurrence is located east of Peavine Creek, a south flowing tributary of the North Thompson River and at an elevation of approximately 732 metres.

The area is underlain by chlorite schist and greenstone of Lower Cambrian age and phyllite with intercalated sediments of Mississippian age, both of the Eagle Bay Formation.

Locally, an adit exposes quartz veins, 1 to 3 metres wide, within a pebble conglomerate. Mineralization consists of pyrite, chalcopyrite, minor galena and sporadic sphalerite. The veins strike 164 degrees and dip 50 degrees to the west.

In 1913, an adit, 28 metres long and several open cuts were completed along with a 1.54 tonne shipment of unknown grade material from the Dreadnought No.2 open cut.

In 1989, sampling of two open cuts, located south of the adit, assayed up to 2 per cent copper, 0.9 per cent lead, 226.4 grams per tonne silver and 0.83 grams per tonne gold (Assessment Report 1989).

In 1913, the area was originally staked as the Dreadnought Group with the Olympia, Dreadnought and Chieftan mineral claims. In 1962, Herslev & Humphrey completed a program of geological mapping, sampling and a dip needle survey on the area as the Sinbad and Roc claims. In 1966, Crowpat Minerals optioned the property and completed three diamond drill holes, totalling 451.5 metres. During 1969 through 1971, Calby Mining completed five diamond drill holes, totalling 365.4 metres, and trenching. In 1975 and 1976, Kerr-Dawson Associates completed a program of geological mapping and soil sampling on the area as the Nimsic claims. In 1977, Canadian Nickel completed a program of geological mapping, soil sampling and ground electromagnetic and magnetic surveys. During 1983 through 1988, Placer Development completed programs of geological mapping, ground and airborne geophysical surveys and geochemical sampling on the area as the Noble 1-6 claims. In 1989, the area was prospected and sampled by D.W. Ridley. In 2011, the area was prospected as the Peavine property.