Description
A.P. Taylor, J.P. Wheeler, And G.L. Shakespeare
Commodities
PrimaryLead, Silver
SecondaryCopper
TertiaryZinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formPINCH AND SWELL
Ore controlFault-Fracture Structural Control.
Materials
Ore mineralsAnglesite, Chalcopyrite, Chlorargyrite, Galena, Malachite, Sphalerite
GangueBarite, Calcite, Quartz
Geology
Host rockAndesite
Associated rockAndesite · Macho Andesite
Economic & production
Development statusPast Producer
First production1881
Last production1942
Discovery year1881
Identification
Deposit ID10014013
MRDS IDD010616
Alternate namesRock Island Millsite : Unpatented ClaimsRock Island, Hadley Mine: Graphic Group, Keystone Group, Native Silver Group: C Laim Patented In 1892, Graphic: Claims Patented In 1914, ColiseumNative Silver, HubKeystone, Daylight
RegionNA
Data scoreB
Coordinates32.52845, -107.68366
References
LINDGREN, W., GRATON, L.C., AND GORDON, C.H., 1910 USGS PP 68, P. 2 87-289JICHA, H.L., JR., 1954 NMBMMR BULL 37, P. 66-68, PLATE 1NMBMMR GENERAL FILE DATAACCURATE PRODUCTION FROM NMBMMR BULL 37, P.66, TABLE 7. ESTIMATED P RODUCTION FROM USGS PP 68, P. 287.