Unspecified copper mineralization occurs on Sulphurets Mountain between Sulphurets East and Sulphurets West Glaciers (Minister of Mines Annual Report 1968, p. 45, Figure 8). The area is underlain by rock of the Lower Jurassic Unuk River Formation, Hazelton Group. In this area these rocks consist of mixed sedimentary rocks with tuffaceous interbeds (Open File 1988-4). No further details of showing are available.