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  3. Mineral Resource Data System (MRDS)

San Pedro Mine

Past Producer in Nye county in Nevada, United States with commodity Mercury
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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. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10040488
MRDS ID M055292
Record type Site
Current site name San Pedro Mine

Geographic coordinates

Geographic coordinates: -117.52371, 38.86242 (WGS84)
Elevation 2341
Relative position ON REESE RIVER-GRANTSVILLE PASS

Site location context

Political divisions (FIPS codes)

Nye(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grantsville(quadrangle 1:24,000 scale)

Ione Valley(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

Humboldt-Toiyabe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Nevada Nye

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 012N 040E 31 Nevada

Comments on the location information

  • UNSURVEYED TOWNSHIP . PROPERTY CONSIST OF THREE CLAIMS.

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Alteration

  • (Local) Argillization Of Tuff And Agglomerate

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) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) Intermediate silicic ash flow tuff
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Uncertain

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1941
Discoverer H.R. And Ella Humphrey, S. Chiatovich, And E.J. Shirley.
Production years TO 1958

Mining district

District name Union District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner L. O. Warfield

Production statistics

  • Year 1958
    Period To 1958
    Material HG
    Accuracy Estimate
    Description Cp_Grade: ^8-13 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 4518g/mt

Comments on the reserve resource information

  • RESERVES OF 1-2,000 TONS OF 5 LB/TON ORE (1942)

Workings at the site

  • Type of workings Surface/Underground
    Length 33.53M
    Overall depth 15.24M

Comments on the workings information

  • WORKINGS CONSIST OF A 50 FT INCLINE SHAFT WITH 110 FT OF DRIFTS ON THREE LEVELS, A LARGE OPEN CUT, AND NUMEROUS BULLDOZER CUTS AND TRENCHES.

Comments on development

  • PROPERTY ACTIVE 1941-1943 (BY LESSEES). DUMP MATERIAL WORKED IN 1962.

Reference information

Bibliographic references

  • Deposit

    BAILEY, E. H., U S GEOLOGICAL SURVEY, PERSONAL FILES

  • Deposit

    BAILEY, E.H., AND PHOENIX, D.A., 1944, QUICKSILVER DEPOSITS IN NEVADA: NEV. BUR. OF MINES AND GEOL., BULL. 41, P. 152-153.

  • Deposit

    VITALIANO, 1963, CENOZOIC GEOLOGY AND SECTIONS OF THE IONE QUADRANGLE, NYE COUNTY, NEVADA: USGS MAP MF - 255.

  • Deposit

    HOLMES, G.H., JR., 1965, MERCURY IN NEVADA, IN MERCURY POTENTIAL OF THE U.S.: U.S. BUR. OF MINES, INF. CIRC. 8252, P. 255.

  • Deposit

    HUGHES, H.H.,JR. (1941) UNPUBLISHED REPORT ON THE SAN PEDRO QUICKSILVER PROPERTY: NBMG FILE 258A, ITEM 6.

  • Production

    USBM UNPUB DATA

General comments

Subject category Comment text
Deposit FILLS FRACTURES IN BOULDERS IN THE TUFF; IS DISSEMINATED THRU TUFF MATRIX

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1975 Gassaway, Judith S. U.S. Geological Survey
Updater 01-JUN-1982 La Pointe, D.D. (Tingley, J.V.) U.S. Geological Survey

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.