The Peterson occurrence is located on Peterson Creek, approximately 2 kilometres west of the North Thompson River.

The area is underlain by granodioritic intrusive rocks related to the Late Triassic to Lower Jurassic Thuya Batholith, which intrudes greenstone, sandstone, argillite and phyllite of the late Paleozoic Harper Ranch Group.

Locally, finely disseminated native copper and minor chalcopyrite occur along a drag fold in a epidotized diorite intrusive. A second showing, 150 metres further up the creek, consists of minor chalcopyrite associated with narrow magnetite seams along a fracture striking north 70 degrees west and dipping 80 degrees north. No sample assays are reported.

In 1970, Taseko Mines prospected the area.