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  3. Mineral Resource Data System (MRDS)

Amended Crofoot Placer Mine

Producer in Humboldt county in Nevada, United States with commodities Gold, Silver
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10047458
MRDS ID M242767
Record type Site
Current site name Amended Crofoot Placer Mine
Alternate or previous names Black Rock Placers, Crofoot Claims
Related records 10295144

Geographic coordinates

Geographic coordinates: -118.63349, 40.90682 (WGS84)
Elevation 1350

Site location context

Political divisions (FIPS codes)

Humboldt(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Floka(quadrangle 1:24,000 scale)

Eugene Mountains(quadrangle 1:100,000 scale)

Lovelock(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Quinn(hydrologic unit)

Black Rock Desert(hydrologic accounting unit)

Black Rock Desert-Humboldt(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 Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 035N 030E 22,23,26,27, Nevada

Comments on the location information

  • IN VICINITY OF MANDALAY SPRING . INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Sulphur District; Black Rock District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Cold Eagle Mining Co., William Ridgway, Pres.
    Home office P.O. Box 2047, Winnemucca, Nv
    First year 1983

Comments on the workings information

  • OPEN PIT

Comments on development

  • LISTED AS AN ACTIVE PLACER GOLD MINE WITH GRAVITY CONCENTRATION OPERATION IN 1982 AND 1983, EMPLOYING 7 PERSONS IN 1982 AND 3 IN 1983. APPARENTLY IDLE 1984-85. OWNED IN 1982 BY BURL LANCE INC., OF WINNEMUCCA. PROBABLY SAME PLACER OPERATED IN 1980 BY BOB WIGLE

Reference information

Bibliographic references

  • Deposit

    STATE INSPECTOR OF MINES, 1983, 1984, DIRECTORY OF NEVADA MINE OPERATIONS ACTIVE DURING CALENDAR YEAR 1982, ALSO 1983.

  • Deposit

    JONES, R.B. AND PAPKE, K.G., 1984, NBMG MAP 83, ACTIVE MINES AND OIL FIELDS IN NEVADA-1983.

  • Deposit

    TINGLEY, J.V., 1985, FIELD EXAMINATION OF THE SULPHUR DISTRICT.

  • Deposit

    HUMBOLDT SUN, NEVADA; 1980; THE BLACK ROCK ONE-MAN MINE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1986 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology
Updater 01-SEP-1994 Li, Zhiping (Peters, S.) U.S. Geological Survey

Beyond USGS

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

Maps centered on this site

Authoritative Nevada resources

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