Commodities
PrimaryCopper
SecondaryGold, Silver
Commodity typeM
Deposit
Deposit sizeS
Orebody formIRREGULAR
Ore controlKelly & Middleton Faults, Contention Fault Contention Fault Contains Abundant Gouge And Has Had An Important Effect On The Localization Of The Contention Ore Deposit. By Restricting The Downward Movement Of Migrating Copper Solutions-Sayers, Et.A. Fracturing Controlled Downward Movement Of Copper. Bearing Solutions, And Favorable Beds (Sandstone) Intersected By Strong Fracture Patterns Were Loci For High Ore Concentrations.
Materials
Ore mineralsChalcocite, Chalcopyrite, Chrysocolla, Malachite, Pyrite, Pyrrhotite
Geology
Host rockQuartz Monzonite,Sandstone · Harmony Formation
Associated rockQuartz Monzonite
StructureDewitt Thrust Fault, "Pebble Dikes" Containing Fragments Of Both Quartz Monzonite Porphyry And Argillite; Displacement Oby Faults (Contention, Dewitt, Kelly And Middleton Faults
AlterationIntense Hydrothermal, Argillic
Economic & production
Development statusPast Producer
First production1927
Discovery year1927
Identification
Deposit ID10044001
MRDS IDM231315
RegionNA
Data scoreB
Coordinates40.61296, -117.04066
References
STEWART, J.H., MCKEE, E.H., AND STAGER, H.K., 1977, GEOLOGY AND MINERAL DEPOSITS OF LANDER COUNTY, NEVADA; NEV. BUREAU OF MINES BULL. 88ROBERTS, R.J., AND ARNOLD, D.C., 1965, ORE DEPOSITS OF THE ANTLER PEAK QUADRANGLE, HUMBOLDT AND LANDER COUNTIES, NEVADAD U.S.G.S. PROF PAPER 459-BSAYERS, R.W., TIPPETT, M.C. AND FIELDS, E.D., 1968, THE ORE DEPOSITS AT COPPER CANYON AND COPPER BASIN LANDER COUNTY, NEVADA: PAPER PRESENTED AT THE ANNUAL AIME MEETING, N.Y.C.STEWART, MCKEE, AND STAGER, 1977