Black Rock Mine

Past Producer in Lander county in Nevada, United States with commodities Manganese, Iron, Zinc, Sulfur, Phosphorus-Phosphates, Arsenic, Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10043987
MRDS ID M231300
Record type Site
Current site name Black Rock Mine

Geographic coordinates

Geographic coordinates: -117.22845, 40.59851 (WGS84)
Elevation 2021
Relative position 16 MILES WSW OF TOWN OF BATTLE MOUNTAIN

Site location context

Political divisions (FIPS codes)

Lander(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Antler Peak(quadrangle 1:24,000 scale)

Winnemucca(quadrangle 1:100,000 scale)

Winnemucca(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Dixie Valley(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Lander

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 032N 042E 34 Nevada

Comments on the location information

  • W.SIDE OF BATTLE MOUNTAIN RANGE

Commodities

Commodity Importance
Manganese Critical Primary
Iron Tertiary
Zinc Critical Tertiary
Sulfur Tertiary
Phosphorus-Phosphates Tertiary
Arsenic Critical Tertiary
Copper Tertiary

Materials information

Materials Type of material
Braunite Ore
Psilomelane Ore
Pyrolusite Ore
Wad Ore

Analytical data

Result 1942-1944: HEADS AVERAGED 21% MN, 55% S. OZ, IRON CONTENT WAS 1.8-3.8%
Result COPPEROXIDE 0.50 IN ONE ANALYSIS. 1950-1953, ORE AVEARAGED 20-30% MN, 49.8-55.4% S.OZ

Mineral occurrence model information

Model code 97
USGS model code 24c
Deposit model name Volcanogenic Mn

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Rock unit name Havallah Formation
    Rock description Havallah Formation

Nearby scientific data

(1) -117.22845, 40.59851

Economic information

Geologic structures

Type of structure Regional
Structure description Ne-Trending Faults, N-Trending Major Folds

Ore body information

  • General form BLANKET, LENTICULAR ORE BODIES
    Strike N
    Dip W
    Thickness 0.15M

Controls for ore emplacement

  • Sedimentary Bedding

Comments on the geologic information

  • ORE BODIES ARE IN A CHERT INTERBEDDED WITH SHALE AND QUARTZITE. BRAUNITE FORMED BY LOW-GRADE METAMORPHISM OF A MN-SEDIMENTARY DEPOSIT. SUBSEQUENT WEATHERING OF THE BRAUNITE FORMED SECONDARY MINERALS PSILOMELANE, PYROLUSITE AND WAD. MN-RICH CHERT LAYERS ARE LENTICULAR, FROM (1INCH TO 6 INCHES THICK. MN OXIDESRE PLACE THE CHERT)

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1940
Discoverer H. Kattenhorn And P.L. Reasoner
Year of first production 1942

Mining district

District name Battle Mountain District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Lessee/Operator
    Owner Potter, E. B.
    First year 1950
    Last year 1953

Comments on the production information

  • FROM 1942 TO 1947, 11,150 SHORT TONS ORE WERE PRODUCED, CONTAINING 13.5% TO 39.9% NATURAL MN; FROM 1950 TO 1953, 10,126 TONS ORE WERE PRODUCED, WITH A-GROSS VALUE OF $170,420.61

Comments on development

  • DISCOVERED IN 1940 AND LEASED SOON THEREAFTER TO WESTERN ALLOYS CO. OF S.L.C. IN DEC., 1940, A 60 TPD MILL WAS BUILT 3 MILES NORTH. IT WAS WORKED INTERMITTENTLY UNTIL 1944, AND WAS LEASED TO E.B. POTTER FROM 1950 TO 1953 WITH SOME PRODUCTION

Reference information

General comments

Subject category Comment text
Deposit BLACK ROCK MINE WAS DISCOVERED BY H. KATTENHORN AND P.L. REASONER IN 1940 AND WAS SOON LEASED TO WESTERN ALLOYS CO OF S.L.C. IN DEC., 1940, A 60 TON PER DAY MILL WAS BUILT AT MOUTH OF TRENTON CANYON 3 MILES NORTH. IT OPERATED INTERMITTENTLY UNTIL 1944. THE PROPERTY PRODUCED ORE FROM 1950 TO 1953 UNDER LEASE TO E.B. POTTER ; INFO.SRC : 1 PUB LIT
Deposit REPLACEMENT OF SEDIMENTARY BEDS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1980 La Pointe, D. D. Nevada Bureau of Mines and Geology

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.