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  3. Mineral Resource Data System (MRDS)

French Gulch Mine

Occurrence in Lemhi county in Idaho, United States with commodity Copper
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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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10070552
MRDS ID W013533
Record type Site
Current site name French Gulch Mine
Related records 10169181

Geographic coordinates

Geographic coordinates: -114.37283, 45.06269 (WGS84)
Elevation 2195
Relative position 6 3/4 MI. WSW OF COBALT

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Blackbird Creek(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 020N 018E 21 Idaho

Commodities

Commodity Importance
Copper Tertiary

Materials information

Materials Type of material
Malachite Ore

Alteration

  • (Local) Iron Stains

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite
    Rock unit name Yellowjacket Formation-Phyllite
    Rock description Yellowjacket Formation-Phyllite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -114.37283, 45.06269
ListMap

Economic information

Controls for ore emplacement

  • Faulting

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Musgrove District

Land status

Ownership category National Forest
Area name Salmon National Forest

Workings at the site

  • Type of workings Surface/Underground
    Length 91.44M

Comments on the workings information

  • 2 ADITS

Reference information

Bibliographic references

  • Deposit

    BENNETT, E. H., 1976, PERSONAL COMMUNICATION

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1976 Stull, Susan A.; Miller, Pat U.S. Geological Survey

Beyond USGS

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

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