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Old Johnson Lode Prospect

Occurrence in Lemhi county in Idaho, United States with commodities Gold, Silver, 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. 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. Reporter information

Geologic information

Identification information

Deposit ID 10096374
MRDS ID W015305
Record type Site
Current site name Old Johnson Lode Prospect

Geographic coordinates

Geographic coordinates: -114.65704, 45.05238 (WGS84)
Elevation 2286
Relative position 2.75 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 24 Idaho

Comments on the location information

  • NEAR ALPINE CREEK ABOUT .5 MI FROM WILSON CREEK. LAND STATUS VALUE CALCULATED 7-94 USING GIS OVERLAY ANALYSIS WITH USFS LAND OWNERSHIP BOUNDARIES, 1:126,720 SCALE.

Commodities

Commodity Importance
Gold Tertiary
Silver Tertiary
Copper Tertiary

Materials information

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

Alteration

  • (Local) Fe Stain

Analytical data

Result RANDOM GRAB SAMPLE ASSAYED TRACE AU, 0.25 OZ AG/TON. SELECT GRAB SAMPLE ASSAYED 0.78 OZ AU/TON, 1.38 OZ AG/TON, 0.73% CU.

Host and associated rocks

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

Nearby scientific data

(1) -114.65704, 45.05238
ListMap

Economic information

Ore body information

  • General form IRREGULAR PODS
    Thickness 0.91M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1947
Discoverer 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 Surface/Underground
    Length 15.24M

Reference information

Bibliographic references

  • Deposit

    CATER, F. W., AND OTHERS, 1973, MINERAL RESOURCES OF THE IDAHO PRIMITIVE AREA AND VICINITY, IDAHO: USGS BULL. 1304, 431 P

  • Deposit

    1973 RECON F. W. CATER AND OTHERS, BULL. 130

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1974 Miller, Pat J. 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