Commodities
PrimaryCopper, Gold
SecondarySilver
TertiaryBarium-Barite, Iron
Commodity typeB
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR
Ore controlThe Ore Deposit Occupies A True Fissure Cutting Directly Across The Schistosity Of The Countryside
Materials
Ore mineralsChalcocite, Chalcopyrite, Chrysocolla, Cuprite, Magnetite, Malachite
GangueBarite, Hematite, Specularite
Geology
Host rockSchist,Gneiss,Granite
Associated rockGranite
StructureThe Width Of The Vein Varies From A Few Inches Up To 3 Or 4 Feet And The Ore-Bearing Streak Is Likewise As Inconstant In Its Dimensions, Changing Abruptly In Places From A Barren Vein Into Several Inches Of Ore And Again Pinching Out As Suddenly. This Is Probably Due To Post-Mineral Longitudinal Faulting, Both Horizontal And Vertical, Which Is Very Much In Evidence In The Property, With The Result That The Deposits Are Pinched In Several Places
Tectonic settingBasin And Range
Economic & production
Development statusPast Producer
Production years1907-1953
Discovery year1865
Identification
Deposit ID10027634
MRDS IDM003640
Alternate namesCunningham Pass
RegionNA
Data scoreB
Coordinates33.95727, -113.57633
References
BANCROFT, HOWLAND, 1911, ORE DEPOSITS IN NORTHERN YUMA COUNTY, ARIZONA: U.S.G.S. BULLETIN 451, P. 115.ELSING, M.J., HEINEMANN, R.E.S., 1936, ARIZONA METAL PRODUCTION: ARIZ. BUREAU OF MINES BULLETIN 140, P. 104.KEITH, S.B., 1978, INDEX OF MINING PROPERTIES IN YUMA COUNTY, ARIZONA; ARIZONA BUREAU OF MINES BULLETIN 192, P. 144PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.NIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.CIMRIA.B.M. BULLETIN 140, P. 104. (10) KEITH, S.B., 1978.