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  3. Mineral Resource Data System (MRDS)

Willard - Mcdonald Mine

Past Producer in Douglas 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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10037746
MRDS ID M035930
Record type Site
Current site name Willard - Mcdonald Mine
Alternate or previous names NBMG # 4433 7 # 4434

Geographic coordinates

Geographic coordinates: -119.5496, 38.74658 (WGS84)
Elevation 1902
Relative position 3.5 MI NORTH OF TOPAZ LAKE

Site location context

Political divisions (FIPS codes)

Douglas(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Topaz Lake(quadrangle 1:24,000 scale)

Smith Valley(quadrangle 1:100,000 scale)

Walker Lake(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

West Walker(hydrologic unit)

Walker(hydrologic accounting unit)

Central Lahontan(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 Douglas

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 010N 022E 08 Nevada

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Pyrite Ore

Alteration

  • (Local) Limonite And Silicified

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock

Nearby scientific data

(1) -119.5496, 38.74658
ListMap

Economic information

Comments on the geologic information

  • THE ORE IS HIGHLY SILICIFIED WITH DARK-GRAY BRECCIA. IT HAS SULFIDES MOST OF WHICH ARE PYRITE. A VEIN RUNNING CLOSE TO DUE EAST AND DIPPING NORTHWARD CROSSES THE MAIN VEIN SYSTEM BETWEEN THE 3-4 ADITS. THE VEIN IS VUGGY LIMONITE STAINED FOR NEARLY 50 FEET. IT IS EXPOSED BY A PROSPECT.

Economic information about the deposit and operations

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

Mining district

District name Mountain House

Comments on the production information

  • 6,754 DOLLARS PRIOR TO 1940 PRIMARILY FROM THIS MINE

Comments on the workings information

  • FOUR CAVED ADITS ARE STACKED ONE ABOVE THE OTHER AT 50 TO 75 FEET INTERVALS ALONG THE VEIN'S STRIKE.

Comments on development

  • UNKNOWN ; ECON.COM: THOUGHT TO HAVE BEEN $6,500 PRIOR TO 1940

Reference information

Bibliographic references

  • Deposit

    MOORE, J. G., 1969 , GEOLOGY AND MINERAL DEPOSITS OF LYON, DOUGLAS AND ORMSBY COUNTIES, NEV., NEVADA BUREAU OF MINES, BULLETIN 75 .

  • Deposit

    TELLURIDE CLAIMS, MOUNTAIN HOUSE MINING DISTRICT,DOUGLAS COUNTY, QUADE SITE VISIT 7-12-89, NBMG UNPUBLISHED MINING DISTRICT FILES (TINGLEY FILES).

General comments

Subject category Comment text
Deposit SAMPLE 4434 WAS TAKEN FROM THE EXPOSED CROSS-CUTTING VEIN. SAMPLE 4433 WAS TAKEN FROM THE DUMP AT RANDOM. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Fiebelkorn, J. B. (Stewart, J. H.) U.S. Geological Survey
Updater 01-AUG-1991 Marcus, S. (Doebrich, J.) 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.