The Pelly Creek copper showing is located on the east side of Pelly Creek valley (Geological Survey of Canada Memoir 274, page 201), approximately 145 kilometres northwest of Germansen Landing.

Regionally, the area is underlain by a series of north-northwest trending sediments comprised of fine clastic sedimentary rocks and calcareous sedimentary rocks of the Neoproterozoic Stelkuz, Espee and Tsaydiz formations (Ingenika Group), quartz arenite sedimentary rocks of the Lower Cambrian Boya Formation (Atan Group) and undivided sedimentary rocks of the Cambrian to Ordovician Kechika Group.

According to Memoir 274 (page 201), a 3.7-metre-wide shear zone in brecciated limestone contains abundant pyrrhotite, with lesser amounts of pyrite, chalcopyrite and bornite. Although Map 1030A (Geological Survey of Canada Memoir 274) shows the hostrocks as part of the Upper Proterozoic Ingenika Group, the more recent Geological Survey of Canada Paper 77-19 (page 3) shows them to be part of the Lower Cambrian Atan Group.