Gold Ridge Prospect

Occurrence in Lemhi county in Idaho, United States with commodity Gold
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. Host and associated rocks
  9. Nearby scientific data
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10070536
MRDS ID W013509
Record type Site
Current site name Gold Ridge Prospect
Related records 10145142

Geographic coordinates

Geographic coordinates: -114.11983, 45.22989 (WGS84)
Elevation 2164
Relative position .75 MI N OF LEESBURG

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Leesburg(quadrangle 1:24,000 scale)

Bighorn Crags(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Salmon-Panther(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis 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 Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 022N 020E 16 Idaho

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue
Talc Gangue

Analytical data

Result QUARTZ CONTAINS AVG. VALUES OF $4.00 AU/TON. ORE OF LOW GRAD

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Idaho Batholith-Granite
    Rock description Idaho Batholith-Granite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -114.11983, 45.22989

Economic information

Controls for ore emplacement

  • Fissures, Fractures, Fault

Comments on the geologic information

  • SITUATED ON SAME FAULT ZONE AS GOLD FLINT AND GOLD DUST. FAULT STRIKES N 18 DEG E, DIPS 45 DEG NW

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Eureka District

Land status

Ownership category National Forest
Area name Salmon National Forest

Workings at the site

  • Type of workings Underground
    Length 365.76M

Comments on the workings information

  • TUNNEL, RAISES

Comments on development

  • 10 - STAMP MILL, 50 - TON CYANIDE PLANT ; ECON.COM: SHOULD BE MINED PROFITABLY BY GLORY HOLE METHOD

Reference information

Bibliographic references

  • Deposit

    BELL, R. N., 1906, SEVENTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1905.

  • Deposit

    UMPLEBY, J. B., 1913, GEOLOGY AND ORE DEPOSITS OF LEMHI COUNTY, IDAHO: USGS BULL. 528, 182 P.

  • Deposit

    1906 COMPILE STATE MINE INSPECTOR'S REPORT FOR 1905

  • Deposit

    1913 GEOLMAP UMPLEBY, J. B., BULL. 528

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey

Beyond USGS

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