Commodities
PrimarySilver
SecondaryCopper, Gold
TertiaryNickel, Uranium, Zinc, Cobalt
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formPINCH AND SWELL
Ore controlFault-Fracture Structural Control.
Materials
Ore mineralsArgentite, Chalcopyrite, Covellite, Galena, Niccolite, Nickel Skutterudite, Pitchblende, Silver, Smaltite, Sphalerite
GangueCalcite, Dolomite, Quartz, Siderite
Geology
Host rockDiorite,Amphibolite,Pegmatite
Associated rockMonzonite · Twin Peaks Monzonite
StructureDeposits Occur Along A Northeast Striking Fault.
Economic & production
Development statusPast Producer
First production1881
Last production1918
Discovery year1881
Identification
Deposit ID10067835
MRDS IDW000695
Alternate namesExtension, Kent County, Solid Silver Mine: Black Hawk Group Claims Patented In the Late, 1880's and Early 1890'sBlack Hawk, Suprise, Little Rhody, Silver Glance, Cornucopia, Chicago
RegionNA
Data scoreA
Coordinates32.72594, -108.49868
References
LINDGREN, W., GRATON, L.C., AND GORDON, C.H., 1910 USGS PP 68, P. 324-325LEACH, A.A., 1916 ENG. AND MIN. JOUR., VOL 102, P. 456GILLERMAN, E., AND WHITEBREAD, D.H., 1956 USGS BULL 1009-K, P. 283-313LOVERING, T.G., 1956 USGS BULL 1009-L, P. 351HEWITT, C.H., 1959 NMBMMR BULL 60, P. 115-116GILLERMAN, E., 1964 NMBMMR BULL 83, P. 142-146, P. 148-149, PLATE 1HEDLUND, D.C., 1978 USGS MISCELLANEOUS FIELD STUDIES MAP MF-1031HEDLUND, D.C., 1980 USGS MISCELLANEOUS FIELD STUDIES MAP MF-1264NMBMMR GENERAL FILE DATAFINLAY, J.R., 1922, REPORT OF APPRAISAL OF MINING PROPERTIES OF NEW MEXICO: SANTA FE, CATHOLIC PUB. CO., 154 P.FINLAY (1922)UNPUBLISHED COBALT REPORT