Contact Mining District

Region West, Southwest
Mineral systems
Deposit types
Other minerals

Information leading to the delineation of this focus area

Basis for focus area 10 km buffer around Contact point location from Singer and others (2008).
Identified resources Identified resources of copper; historical production of copper, gold, and silver.
Production From 1908 to 1965, the Contact mines produced 0.038 tonnes Au, 3.95 tonnes Ag, and 2.6 kilotonnes Cu, from an unknown tonnage of ore.
Status Past mining, current exploration.
Estimated resources NI 43-101 compliant Mineral Reserve estimate for the Contact Copper Project contains 58 million tons of 0.23% Cu (263 million lbs Cu) in the Proven category and 83 million tons of 0.21% Cu in the Probable category (348 million lbs Cu) for a total in Proven and Probable Reserves of 141 million tons of 0.22% Cu (612 million lbs Cu) at a 0.07% Cu cut-off grade (Choquette and others, 2013).
Geologic maps Crafford (2010), scale 1:500,000; Coats (1987), scale 1:250,000; Gibbons (1973) scale 1:12,000.
Geophysical data Inadequate aeromagnetic and aeroradiometric coverage.
Favorable rocks and structures Jurassic granodiorite and felsic porphyry dikes intruding Upper Paleozoic siliciclastic and carbonate rocks.
Deposits Contact District Copper Project (MRDS dep_id: 10310521).
Evidence from mineral occurrences MRDS.
Geochemical evidence No data.
Geophysical evidence Unknown.
Evidence from other sources Choquette and others (2013).
Comments Sheeted veins and disseminated copper mineralization around larger quartz-sulfide veins.
Cover thickness and description No significant cover.
Authors David A. John.
New data needs Geologic mapping, geophysics.
Geologic mapping and modeling needs Updated geologic mapping.
Geophysical survey and modeling needs High-resolution, Rank 1 aeromagnetic and aeroradiometric surveys.
Digital elevation data needs Lidar in progress (GeoDAWN).