New Mexico · Hidalgo County
Past Producer

Eighty-Five Mine

Hidalgo County, New Mexico, United States
CopperGoldSilverLeadZinc
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper, Gold, Silver
SecondaryLead, Zinc
Commodity typeM
Deposit
Deposit sizeL
WorkingsUnderground
Orebody formPINCH AND SWELL
Ore controlFault-Fracture Structural Control.
Materials
Ore mineralsChalcopyrite, Galena, Sphalerite
GangueCalcite, Chlorite, Quartz, Sericite, Tourmaline
Geology
Host rockAndesite
Associated rockAndesite
StructureNortheast Striking Vein Set.
Economic & production
Development statusPast Producer
Last production1973
Discovery year1885
Identification
Deposit ID10010005
MRDS IDD003346
Alternate namesIncludes the Superior Mine, Dundee Mine and Jim Crow Mine: Eighty-Five Group.
RegionNA
Data scoreB
Coordinates32.31456, -108.75174
References
LASKY, S. G., 1938, GEOLOGY AND ORE DEPOSITS OF THE LORDSBURG MINING DISTRICT, HIDALGO COUNTY, NEW MEXICO: U.S. GEOLOGICAL SURVEY BULL. 885, 62P.CLARK, K. F., 1970, ZONING, PARAGENESIS, AND TEMPERATURES OF FORMATION IN THE LORDSBURG DISTRICT: IN NEW MEXICO GEOL. SOC. GUIDEBOOK, 21ST FIELD CONF., TYRONE-BIG HATCHET MOUNTAINS-FLORIDA MOUNTAINS REGION, P 107.JONES, F. A., 1907, THE LORDSBURG MINING REGION, NEW MEXICO: ENG. MINING JOUR. V 84, P 445.LINDGREN, W., GRATON, L. C., AND GORDON, C. H., 1910, THE ORE DEPOSITS OF NEW MEXICO: U.S. GEOLOGICAL SURVEY PROF. PAPER 68, P. 335.YOUTZ, R.B., 1931 USBM IC-6413, 26 PAGESANDERSON, E.C., 1957 NMBMMR BULL 39, P. 85-88FLEGE, R.F., 1959 NMBMMR BULL 62, P. 26-29THORMAN, C.H., AND DREWES, H., 1978 USGS MISC. GEOLOGIC INVESTIGATIONS MAP, I-1151NMBMMR GENERAL FILE DATA