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Johnson Creek Prospects

Prospect in Elmore county in Idaho, United States with commodities Silver, Gold, Bismuth, Copper, Lead, Molybdenum, Tin, Zinc
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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. Geologic structures
  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 10070767
MRDS ID W013848
MAS/MILS ID 0160390645
Record type Site
Current site name Johnson Creek Prospects

Geographic coordinates

Geographic coordinates: -115.23784, 43.96408 (WGS84)
Elevation 1951
Relative position 12.5 MI. NNW OF ATLANTA, ID.

Site location context

Political divisions (FIPS codes)

Elmore(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nahneke Mountain(quadrangle 1:24,000 scale)

Idaho City(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North and Middle Forks Boise(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Boise 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 Elmore

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 007N 010E 11 Idaho

Comments on the location information

  • 2 Prospects, 1/4 Mi W Of Johnson Creek And 0.3 Mi N Of Mouth Of Grouse Creek
  • Also In Ne4, Sec 1, T7n, R10e, And Sw4, Sec.5, T7n, R11e.

Commodities

Commodity Importance
Silver Primary
Gold Secondary
Bismuth Critical Tertiary
Copper Tertiary
Lead Tertiary
Molybdenum Tertiary
Tin Critical Tertiary
Zinc Critical Tertiary

Comments on the commodity information

  • Collected Samples Contained Tr To 0.69 Grams Gold Per Tonne, Zero To 329 Grams Silver Per Tonne, 1.0 Percent Copper, 0.2 Percent Lead, 0.07 Percent Zinc, 0.3 Percent Bismuth, Trace Zinc, And 1.0 Percent Molybdenum.

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Fe - Oxide Stains

Analytical data

Result 1 SAMPLE OF RHYOLITE HAD TRACE AU, NO AG
Result 1 SAMPLE OF QUARTZ ASSAYED 0.02 OZ AU, 0.4 OZ AG/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Dike-Rhyolite
    Rock description Dike-Rhyolite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -115.23784, 43.96408
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Slickensides

Comments on the geologic information

  • Dike Is 100 Ft Thick, Trends N, Dips 70 Deg W.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Black Warrior District

Land status

Ownership category National Forest
Area name Boise National Forest
Ownership category National Forest
Area name Boise National Forest

Workings at the site

  • Type of workings Surface/Underground
    Length 9.14M

Comments on the workings information

  • 1 Adit, 1 Pit

Reference information

Bibliographic references

  • Deposit

    Kiilsgaard, T. H., And Others, 1970, Mineral Resources Of The Sawtooth Primitive Area, Idaho: USGS Bulletin 1319-D, 174p.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Everett, Sandra E. (Miller, Pat) U.S. Geological Survey
Reporter 25-NOV-1983 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