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  3. Mineral Resource Data System (MRDS)

Blue Bluff Prospect

Occurrence in Valley 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. Geologic structures
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10071481
MRDS ID W014899
Record type Site
Current site name Blue Bluff Prospect

Geographic coordinates

Geographic coordinates: -115.38736, 45.15818 (WGS84)
Elevation 2377
Relative position 4 MI NW OF BIG CREEK R.S.

Site location context

Political divisions (FIPS codes)

Valley(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wolf Fang Peak(quadrangle 1:24,000 scale)

Warren(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

Payette 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 Valley

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 021N 009E 17 Idaho

Comments on the location information

  • ONE MILE NORTH OF GOLDMAN CUT

Commodities

Commodity Importance
Copper Tertiary

Materials information

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

Alteration

  • (Local) Silicification, Brecciation

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Profile Gap-Smith Creek Dike Swarm-Dacite
    Rock description Profile Gap-Smith Creek Dike Swarm-Dacite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Quartz-Feldspar Gneiss;Yellowjacket Formation-Hornblende Schist
    Rock description Quartz-Feldspar Gneiss;Yellowjacket Formation-Hornblende Schist

Nearby scientific data

(1) -115.38736, 45.15818
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Brecciation, Slickenslides

Controls for ore emplacement

  • Contact Of Metavolcanics Of Yellowjacket Formation And Quartz - Feldspar Gneiss

Comments on the geologic information

  • KIRKPATRICK (1974) IS UNSURE OF THE AGE OF THE QUARTZ - FELDSPAR GNEISS, BUT BELIEVES IT IS BETWEEN PRECAMBRIAN AND CRETACEOUS; OTHER PRIOR AUTHORS HAVE LABELED THIS ROCK AS CRETACEOUS GRANITIC ROCK OF THE IDAHO BATHOLITH.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Edwardsburg District

Land status

Ownership category National Forest
Area name Payette National Forest

Comments on the workings information

  • SEVERAL OLD PROSPECTS AND ADITS AND A 350 FT LONG BULLDOZER TRENCH

Reference information

Bibliographic references

  • Deposit

    KIRKPATRICK, G. E., 1974, GEOLOGY AND ORE DEPOSITS OF THE BIG CREEK AREA, VALLEY AND IDAHO COUNTIES, IDAHO: MOSCOW, IDAHO, UNIV. OF IDAHO, M.S. THESIS, P. 40 - 42

General comments

Subject category Comment text
Deposit DEPOSIT MARKS EASTERN EDGE OF A SERIES OF NORTH TRENDING QUARTZ - FISSURE FILLINGS THAT EXTEND FOR A MILE AND A HALF TO THE WEST

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Duncan, Daniel G. (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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