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Silver City Region

Past Producer in Owyhee county in Idaho, United States with commodities Silver, Gold, Lead, Copper, Zinc
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10069088
MRDS ID W002476
Record type Site
Current site name Silver City Region
Related records 10217573

Geographic coordinates

Geographic coordinates: -116.73125, 43.0171 (WGS84)
Elevation 1890
Relative position SILVER CITY IDAHO

Site location context

Political divisions (FIPS codes)

Owyhee(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Silver City(quadrangle 1:24,000 scale)

Murphy(quadrangle 1:100,000 scale)

Boise(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jordan(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Owyhee

Commodities

Commodity Importance
Silver Primary
Gold Primary
Lead Tertiary
Copper Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Argentite Ore
Electrum Ore
Miargyrite Ore
Pyrargyrite Ore
Silver Ore
Tetrahedrite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitization-Silicification

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Silver City Granite
    Rock description Silver City Granite

Nearby scientific data

(1) Granodiorite and two-mica granite.
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Idaho Batholith
Type of structure Local
Structure description Large Post-Mineral Faults

Ore body information

  • Strike NW
    Dip SW
    Length 1828.8M
    Width 7.32M
    Depth to bottom 762M

Controls for ore emplacement

  • Intersection Of Fractures, Fissure Filling

Comments on the geologic information

  • SILVER CITY GRANITE, COARSE-GRAINED, LIGHT GRAY GRANITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1863
Discoverer Michael Jordon
Year of first production 1863

Mining district

District name Silver City Region

Comments on the production information

  • PRODUCTION VALUES ARE ESTIMATED FROM 1863-1879 AND ACCURATE FROM 1880-1923 TOTAL $40,878,441

Workings at the site

  • Type of workings Underground
    Length 60960M
    Overall depth 762M

Comments on the workings information

  • NO FIGURES WERE GIVEN FOR TOTAL WORKINGS, BUT THE DE LAMAR MINE HAD 115,000 FT OF WORKINGS ALONE

Comments on development

  • DE LAMAR COMPANY LTD WAS THE LAST MAJOR OPERATOR, THEY QUIT IN 1914. AFTER THAT SMALL COMPANIES AND INDIVIDUALS TOOK OVER BUT PRODUCTION HAS BEEN SMALL SINCE

Reference information

Bibliographic references

  • Deposit

    PIPER, A. M., AND FRANCIS, L. B., 1926, GEOLOGY AND METALLIFEROUS RESOURCES OF THE REGION ABOUT SILVER CITY, ID: ID. BUR. OF MINE BULL. 11

  • Deposit

    ROSS, C. P., 1941, MINING DISTRICTS OF IDAHO: ID. BUR. OF MINE GEOL. PAMPHLET NO. 57. P. 15-16.

  • Production

    PIPER, A.M., ID. BUR OF MINES BULL. 11 1926

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1974 Petersen, David W. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site