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Hoyt Mine

Past Producer in Churchill county in Nevada, United States with commodities Silver, Antimony, Iron, Arsenic
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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. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Ownership information
  19. Production statistics
  20. Workings at the site
  21. Links to other databases
  22. Bibliographic references
  23. General comments
  24. Reporter information

Geologic information

Identification information

Deposit ID 10045388
MRDS ID M233100
Record type Site
Current site name Hoyt Mine
Alternate or previous names De Longchamps, Coplan

Geographic coordinates

Geographic coordinates: -117.76567, 39.77158 (WGS84)
Elevation 1646
Location accuracy 100(meters)
Relative position 32 MILES NNE OF EASTGATE, 100m - To Center Of A Group Of Workings Shown On Topo Sheet

Site location context

Political divisions (FIPS codes)

Churchill(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bernice Canyon(quadrangle 1:24,000 scale)

Edwards Creek Valley(quadrangle 1:100,000 scale)

Millett(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 Churchill

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 022N 037 13 SE (13); SE (14) Nevada

Comments on the location information

  • IN HOYT CANYON ABOUT 1 MILE NW OF BERNICE MINE ; INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Silver Primary
Antimony Critical Primary
Iron Tertiary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Marcasite Ore
Pyrite Ore
Stibnite Ore
Tetrahedrite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification; Sericitization

Mineral occurrence model information

Model code 180
USGS model code 27d
Deposit model name Simple Sb (veins, pods, etc)

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Star Peak Formation
    Rock description Star Peak Formation

Nearby scientific data

(1) -117.76567, 39.77158
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faults

Ore body information

  • General form TABULAR
    Strike N5E TO N80W
    Dip 10-60SW
    Thickness 0.3M

Controls for ore emplacement

  • Fault Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Bernice District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Williams, Hoyt And John
    Home office Fallon
    Last year 1947
  • Type Owner
    Owner Mullen, Mona
    Home office Lawrence
    First year 1963

Production statistics

  • Year 1941
    Period 1940-1941
    Material ORE SB AG
    Accuracy Estimate
    Description Cp_Grade: ^57% Sb, Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Antimony Antimony 57wt-pct
  • Year 1949
    Material ORE SB
    Accuracy Estimate
    Description Ap_Grade: ^56% Sb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Antimony Antimony 56wt-pct

Comments on the production information

  • PRODUCTION HAS AMOUNTED TO ABOUT $60,000 IN SILVER AND 13 TONS OF ANTIMONY METAL.

Workings at the site

  • Type of workings Underground
    Length 152.4M

Comments on the workings information

  • 4 ADITS

Comments on development

  • ABOUT $60,000 WORTH OF SILVER ORE WAS TREATED IN THE BERNICE MILL. 1940-1941 PRODUCTION WAS 7 TONS ORE AVG. 57% SB. IN 1949, 16 TONS OF ORE AVG. 56% SB WAS PRODUCED.

Reference information

Bibliographic references

  • Deposit

    SILLDEN, R. AND R.C. SPEED, 1974, GEOLOGY AND MINERAL DEPOSITS OF CHURCHILL COUNTY, NEVADA; NBMG. BULL. 83

  • Deposit

    SCHRADER, F.C., 1947, CARSON SINK AREA; U.S.G.S. OPEN FILE REPORT

  • Deposit

    LAWRENCE, E.F., 1963 ANTIMONY DEPOSITS OF NEVADA; N.B.M.G. BULL. 61.

  • Production

    WILLDEN & SPEED, (1974) P. 62.

General comments

Subject category Comment text
Deposit QUARTZ VEINS WITH MINOR CALCITE; LOCALLY CRUSHED AND RECEMENTED BY LATER QUARTZ. SMALL PODS AND SINGLE CRYSTALS OF STIBNITE AND TETRAHEDRITE ARE SCATTERED THROUGH THE QUARTZ.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-81 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

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.