Black Rock Prospect

Occurrence in Esmeralda county in Nevada, United States with commodity Manganese
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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10044606
MRDS ID M232113
Record type Site
Current site name Black Rock Prospect
Alternate or previous names Black Rock Claim, Black Rock No. 1 To No. 5 Claims

Geographic coordinates

Geographic coordinates: -117.84287, 37.763 (WGS84)
Elevation 2499
Location accuracy 1000(meters)
Relative position 3.6 MILES SOUTH OF CAVE SPRING., To Within 0.5 Mile, To Within 0.5 Mile, To Within 0.5 Mile

Site location context

Political divisions (FIPS codes)

Esmeralda(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rhyolite Ridge(quadrangle 1:24,000 scale)

Goldfield(quadrangle 1:100,000 scale)

Goldfield(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fish Lake-Soda Spring Valleys(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 Esmeralda

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002S 037E 14 Nevada

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore
Wad Ore

Analytical data

Result ASSAYS MADE BY THE U.S.B.M. RANGE FROM 0.5% MN TO 21.2% MN.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Latite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock

Nearby scientific data

(1) -117.84287, 37.763

Economic information

Ore body information

  • Strike E-W
    Dip 10-25S
    Length 268.22M
    Width 16.76M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1939
Discoverer C.W. Fletcher

Mining district

District name Red Mountain District

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner Fletcher, C. W.
    Home office Bishop, Ca
    First year 1950
  • Type Owner
    Owner Shively, D. F.
    Home office Bishop, Ca
    First year 1950
  • Type Owner
    Owner Birchim, James F.
    Home office Bishop, Ca
    First year 1950

Comments on the workings information

  • WORKINGS CONSIST OF TWO SHAFTS, 18 AND 28 FEET DEEP, AND 100 FEET OF TRENCHES.

Comments on development

  • THE U.S. BUREAU OF MINES MADE 31 TRENCHES TOTALING 3,173 FEET IN 1950.

Reference information

Bibliographic references

  • Deposit

    BENSON, W.T., 1950, INVESTIGATION OF BLACK ROCK MANGANESE DEPOSITS, ESMERALDA CO., NEV.: USBM, REPT. INV. 4717

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-81 Wong, George (Roberts, Ralph) U.S. Geological Survey

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.