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  3. Mineral Resource Data System (MRDS)

Omco Mine

Past Producer in Mineral 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. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10044636
MRDS ID M232170
Record type Site
Current site name Omco Mine
Alternate or previous names Olympic Mine, Olympic Mines Co.

Geographic coordinates

Geographic coordinates: -117.89344, 38.60798 (WGS84)
Elevation 1814
Relative position TWO MILES NE OF STEWART SPRING

Site location context

Political divisions (FIPS codes)

Mineral(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stewart Spring(quadrangle 1:24,000 scale)

Ione Valley(quadrangle 1:100,000 scale)

Tonopah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Gabbs 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 Mineral

Comments on the location information

  • UNSURVEYED TOWNSHIP AND RANGE.

Commodities

Commodity Importance
Gold Primary
Silver Primary

Comments on the commodity information

  • THE GOLD CAN NOT BE SEEN BY AN UNAIDED EYE.

Materials information

Materials Type of material
Gold Ore
Silver Ore
Pyrite Gangue

Analytical data

Result THE ORE PRODUCED AVERAGED $16 TO $20 PER TON.

Host and associated rocks

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

Nearby scientific data

(1) -117.89344, 38.60798
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Contact Fault, West Fault

Ore body information

  • Strike N 20 W
    Dip 40 W
    Thickness 2.13M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1915
Discoverer J.P. Nelson
Year of first production 1916
Year of last production 1921

Mining district

District name Bell District

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner Olympic Mines Co.

Workings at the site

  • Type of workings Underground
    Length 914.4M

Comments on the workings information

  • WORKINGS CONSIST OF A 225 FT LONG SHAFT WITH THREE LEVELS.

Reference information

Bibliographic references

  • Deposit

    KNOPF, ADOLPH, 1922, ORE DEPOSITS OF CEDAR MOUNTAIN, MINERAL COUNTY, NEVADA, IN RANSOME, F.L. AND BURCHARD, E.F., EDS., CONTRIBUTIONS TO ECONOMIC GEOLOGY, 1921: USGS BULL. 725, P. 377-382

  • Production

    KNOPF, 1922, P. 381

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1981 Wong, George (Roberts, Ralph) 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.