The Eighty-Five Mine is a silver, copper, and gold mine located in Hidalgo county, New Mexico at an elevation of 4,826 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 4,826 Feet (1,471 Meters)
Commodity: Silver, Copper, Gold
Lat, Long: 32.31444, -108.75111
Map: View on Google Maps
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Eighty-Five Mine MRDS details
Site Name
Primary: Eighty-Five Mine
Secondary: Includes the Superior Mine
Secondary: Dundee Mine and Jim Crow Mine: Eighty-Five Group.
Commodity
Primary: Silver
Primary: Copper
Primary: Gold
Secondary: Lead
Secondary: Zinc
Location
State: New Mexico
County: Hidalgo
District: Lordsburg District: Virginia Subdistrict
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Phelps Dodge Corp.
Home Office: Tyrone, N.M.
Years: 1960 -
Owner Name: Ted Brannon And Marvin Fuller
Home Office: Silver City, N.M.
Years: 1961 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1973
Discovery Year: 1885
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland
Mineral Deposit Model
Not available
Orebody
Form: PINCH AND SWELL
Structure
Type: L
Description: Northeast Striking Vein Set.
Alterations
Not available
Rocks
Name: Andesite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Galena
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Calcite
Gangue: Quartz
Gangue: Sericite
Gangue: Chlorite
Gangue: Tourmaline
Comments
Comment (Location): ACCURATE LOCATION IS SHOWN ON USGS MISC. GEOLOGIC INVESTIGATIONS MAP I-1151.
Comment (Deposit): FIFTY PATENTED CLAIMS COVERING ABOUT 700 ACRES. EMERALD VEIN (N33-65E,SE) LONGEST AND MOST PRODUCTIVE IN DISTRICT. VEIN MORE THAN 1,500 M. LONG AND CUTS BOTH GRANODIORITE AND ANDESITE.
Comment (Production): AVERAGE GRADE OF ORE (1904-1931) 2.8% CU, 42.2 G/T AG, 3.8 G/T AU.
Comment (Workings): WORKINGS CONSIST OF FIVE SHAFTS, AN ADIT, AND 16 WORKING LEVELS CONTAINING MORE THAN EIGHT MILES OF DRIFTS AND STOPES.
Comment (Deposit): TOTAL VALUE PRODUCED WAS $17,250,000. ALSO PRODUCTION FROM 1963-1973. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
References
Reference (Deposit): LASKY, S. G., 1938, GEOLOGY AND ORE DEPOSITS OF THE LORDSBURG MINING DISTRICT, HIDALGO COUNTY, NEW MEXICO: U.S. GEOLOGICAL SURVEY BULL. 885, 62P.
Reference (Deposit): 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.
Reference (Deposit): JONES, F. A., 1907, THE LORDSBURG MINING REGION, NEW MEXICO: ENG. MINING JOUR. V 84, P 445.
Reference (Deposit): 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.
Reference (Deposit): YOUTZ, R.B., 1931 USBM IC-6413, 26 PAGES
Reference (Deposit): ANDERSON, E.C., 1957 NMBMMR BULL 39, P. 85-88
Reference (Deposit): FLEGE, R.F., 1959 NMBMMR BULL 62, P. 26-29
Reference (Deposit): THORMAN, C.H., AND DREWES, H., 1978 USGS MISC. GEOLOGIC INVESTIGATIONS MAP, I-1151
Reference (Deposit): NMBMMR GENERAL FILE DATA
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