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Castle Rock Mine

Past Producer in Esmeralda county in Nevada, United States with commodities Mercury, Gold, Antimony
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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. 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. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10046652
MRDS ID M241845
Record type Site
Current site name Castle Rock Mine
Alternate or previous names Howard Ground, Castle Rock Prospect.
Related records 10310346

Geographic coordinates

Geographic coordinates: -117.74676, 38.08549 (WGS84)
Elevation 1771
Relative position 6 MILES NORTH OF BLAIR JUNCTION

Site location context

Political divisions (FIPS codes)

Esmeralda(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Devils Gate(quadrangle 1:24,000 scale)

Tonopah(quadrangle 1:100,000 scale)

Tonopah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Big Smoky 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 Esmeralda

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003N 038E 30 Nevada

Comments on the location information

  • ON SOUTH SIDE OF MONTE CRISTO RANGE ; INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Mercury Primary
Gold Primary
Antimony Critical Tertiary

Materials information

Materials Type of material
Cinnabar Ore
Stibnite Ore
Chalcedony Gangue
Jarosite Gangue
Pyrite Gangue

Alteration

  • (Local) Silicification

Mineral occurrence model information

Model code 177
USGS model code 27a
Deposit model name Hot-spring Hg

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Gilbert Andesite
    Rock description Gilbert Andesite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Gilbert Andesite
    Rock description Gilbert Andesite

Nearby scientific data

(1) -117.74676, 38.08549
ListMap

Economic information

Ore body information

  • General form TABULAR
    Strike N 75 W; NE-TRENDING FAULT
    Dip 65 S; FAULT DIPS STEEPLY W
    Thickness 0.3M
  • General form TABULAR
    Strike N 75 W; NE-TRENDING FAULT
    Dip 65 S; FAULT DIPS STEEPLY W

Controls for ore emplacement

  • "Breccia-Vein"

Comments on the geologic information

  • FAULT ZONE IN BLEACHED, PROPYLITIC ANDESITE, BRECCIATED-FRACTURED &CUT BY SILICA VEINS PYRITE, BRECCIATED ZONES FILLED WITH FE-MN OX STAINING, DRUSY QUARTZ.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1928
Discoverer C.A. Herrold, E.H. Nelson, P. Reuse

Mining district

District name Gilbert District (Desert District)

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner F. O. And H. L. Gilbert Of Luning And C. A. Hewdel And L. L. Sibley . F. V. Bovard Of Mina
    First year 1944

Workings at the site

  • Type of workings Surface/Underground
    Length 13.11M
    Overall depth 18.29M

Comments on the workings information

  • 60-FT INCLINED SHAFT WITH A 33-FT. DRIFT AT ITS BASE. ALSO, A TRENCH, 10-FT. ADIT, AND SEVERAL DIAMOND-DRILL HOLES

Comments on development

  • ORIGINALLY LOCATED FOR GOLD. HERROLD AND ASSOCIATES INSTALLED A SMALL RETORT IN 1928 AND PRODUCED A FLASK OF MERCURY. THE ONLY ACTIVITY IN 1943 WAS SOME ERRATIC DIAMOND-DRILLING; 1 FLASK OF HG IN 1928. RECENTLY DRILLED AND ROADS GRADED (1982).

Reference information

Bibliographic references

  • Deposit

    BAILEY, E.H., AND PHOENIX, D.A., 1944, QUICKSILVER PEPOSITS IN NEVADA: UMV. NEV. BULL. VOL. 38, NO. 5, GEOL & MIN. SER. NO 41, P.75.

  • Deposit

    ALBERS, J.P. AND STEWART, J.H., 1972, GEOLOGY AND MINERAL DEPOSITS OF ESMERALDA CO, NEV: N.B.M.G. BULL. 78, P. 67, PL. 2.

  • Deposit

    SILBERMAN, M.L. AND MCKEE, E.H., 1974, IN NBMG REPORT 19, P. 71.

  • Deposit

    LAWRENCE, E.F., 1963, NBMG BULL. 61, P. 64-65

  • Deposit

    SMITH/BENTZ, FIELD EXIMATIONS 23 SEPTEMBER 1982

General comments

Subject category Comment text
Deposit CINNABAR OCCURS IN THE BRECCIA VEIN IN FRACTURES AND SHEARS THAT CUT THE CHALCEDOWY. A SMALL AMOUNT OF STIBNITE OCCURS IN A BRECCIA ZONE IN THE SLOPE ABOVE THE MERCURY DEPOSIT
Deposit A SHORT TRENCH AND ADIT SW OF THE SHAFT EXPLORES A LOCALLY SILICIFIED RIB OF ANDESITE TUFF WHICH TRENDS N 65 W, DIPPING 70 NE, WHERE CINNABAR FILLS FRACTURES AND OPEN SPACES IN SILICIFIED ANDESITE. ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1983 La Pointe, D.D. (Tingley, J.V.) 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.