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Johnson Lode Prospect

Past Producer in Lemhi county in Idaho, United States with commodities Gold, Silver, Copper, Lead
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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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10071761
MRDS ID W015306
MAS/MILS ID 0160590432
Record type Site
Current site name Johnson Lode Prospect
Alternate or previous names Old Johnson Lode

Geographic coordinates

Geographic coordinates: -114.6597, 45.0467 (WGS84)
Elevation 2103
Relative position 3.25 MI SSW OF WILSON MTN.

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Puddin Mountain(quadrangle 1:24,000 scale)

Bighorn Crags(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Middle Fork Salmon(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)

Frank Church-River of No Return Wilderness(Wilderness)

Wilderness 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 015E 25 Idaho

Comments on the location information

  • Along Alpine Creek about 1 mi upstream from Wilson Creek

Commodities

Commodity Importance
Gold Primary
Silver Tertiary
Copper Tertiary
Lead Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Malachite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Fe Stain

Host and associated rocks

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

Nearby scientific data

(1) -114.6597, 45.0467
ListMap

Economic information

Ore body information

  • Strike N 87 DEG E
    Dip 70 DEG N
    Thickness 0.76M

Controls for ore emplacement

  • Fissure

Comments on the geologic information

  • Veins of massive white quartzite contain abundant pyrite and chalcopyrite with iron staining and malachite staining. The metallic minerals occur in irregular pods. Specular hematite and limonite are also present.

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1930
Discoverer Relocated By Fred And Roy Langley

Mining district

District name Middle Fork District

Land status

Ownership category National Forest
Area name Salmon National Forest
Ownership category National Primitive Area
Area name Idaho Primitive Area

Workings at the site

  • Type of workings Underground
    Length 91.44M
    Overall depth 60.96M

Comments on the workings information

  • 1 adit

Comments on development

  • 1 stamp mill and buckets

Reference information

Bibliographic references

  • Deposit

    Cater, F. W., And Others, 1973, Mineral Resources Of Idaho Primitive Area And Vicinity, Idaho: USGS Bulletin 1304, 431 P

  • Deposit

    WFOC (Bureau Of Mines) Mineral Property File 016 059 0432.

General comments

Subject category Comment text
Deposit Discovery Year: BEFORE 1930. RELOCATED 1947.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1974 Miller, Pat J. U.S. Geological Survey
Reporter 15-OCT-1990 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site