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  3. Mineral Resource Data System (MRDS)

Polaris

Past Producer in Elko county in Nevada, United States with commodity 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10045133
MRDS ID M232800
Record type Site
Current site name Polaris

Geographic coordinates

Geographic coordinates: -116.1351, 41.69462 (WGS84)
Relative position 1.7 MILES NE OF PORTER PEAK

Site location context

Political divisions (FIPS codes)

Elko(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bull Run Reservoir(quadrangle 1:24,000 scale)

Bull Run Mountains(quadrangle 1:100,000 scale)

McDermitt(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Owyhee(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(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 Elko

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 044N 052E 22 Nevada

Commodities

Commodity Importance
Silver Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Aura Foramation
    Rock description Aura Foramation

Nearby scientific data

(1) -116.1351, 41.69462
ListMap

Economic information

Ore body information

  • General form TABULAR
    Dip 32DEG SE

Controls for ore emplacement

  • Fissures And Shear Zones

Comments on the geologic information

  • ORE OCCURES AS DISCONTINOUS VEIN IN CROSSCUTTING FISSURE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1875
Year of first production 1875

Mining district

District name Aura

Workings at the site

  • Type of workings Underground
    Length 60.96M

Comments on the workings information

  • 200 FT. INCLINE WITH 2 DRIFTS

Comments on development

  • SUPPLIED ORE TO THE COLUMBIA MILL IN 1870'S

Reference information

Bibliographic references

  • Deposit

    SMITH, R.M., (1976-56) MINERAL RESOURCES OF ELKO CO. NEV, USGS OPEN-FILE REPORT

  • Deposit

    GRANGER, A.E. ETAL (1957) GELOGY & MINERAL RESOURCES OF ELKO CO. NEV., BUREAU OF MINES BULL. 54.

  • Production

    SMITH, R.M., (1976)

General comments

Subject category Comment text
Deposit FISSURE VEIN; DISCONTINOUS
Deposit LOCATED 1/4 M. S.E. OF HUMBOLDT MINE. A 200' INCLINE WAS SUNK WITH TWO DRIFTS. SUPPLIED ORE TO COLUMBIA MILL IN THE 1870'S. ; INFO.SRC : 1 PUB LIT
Deposit Discovery Year: 1870'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1979 Kirkham, Richard A. 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.