Baker Lake Prospect

Prospect in Custer county in Idaho, United States with commodities Molybdenum, Zinc, Tungsten, Copper, Lead, Gold, Silver
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10096326
MRDS ID W014434
MAS/MILS ID 160370204
Record type Site
Current site name Baker Lake Prospect
Alternate or previous names Uncle Jess Deposit

Geographic coordinates

Geographic coordinates: -114.5603, 44.0594 (WGS84)
Elevation 2591
Relative position 21.75 MI SE OF STANLEY

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Boulder Chain Lakes(quadrangle 1:24,000 scale)

White Cloud Peaks(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Sawtooth National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Cecil D. Andrus-White Clouds Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 009N 016E 34 Idaho
Boise 008N 016E 03,04 Idaho

Comments on the location information

  • AT BASE AND 1 MI NE OF CASTLE PEAK LAND STATUS VALUE CALCULATED 7-94 USING GIS OVERLAY ANALYSIS WITH USFS LAND OWNERSHIP BOUNDARIES, 1:126,720 SCALE.

Commodities

Commodity Importance
Molybdenum Primary
Zinc Critical Tertiary
Tungsten Critical Tertiary
Copper Tertiary
Lead Tertiary
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Malachite Ore
Molybdenite Ore
Scheelite Ore
Sphalerite Ore
Calcite Gangue
Chlorite Gangue
Garnet Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result 19 SAMPLES RANGED 0.002 - 0.02% WO3
Result 28 OTHER SAMPLES FOUND 0.004% CU, 0.002% PB
Result 0.02% ZN
Result TRACE AU & AG
Result CHIP SAMPLES NORTH ZONE: 0.01 - 0.33% MOS2
Result SUBSURFACE SAMPLES AVE 0.15% MOS2, SURFACE SAMPLES AVE 0.10% MOS2: SAMPLES FROM SOUTH ZONE AVERAGED 0.12% MOS2.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Whitecloud Stock;Little Boulder Stock;
    Rock description Whitecloud Stock;Little Boulder Stock;
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Lcret-Eeo Tactite
    Rock description Lcret-Eeo Tactite

Nearby scientific data

(1) -114.5603, 44.0594

Economic information

Geologic structures

Type of structure Local
Structure description Quartzite Bedding, Uncle Jess Fault
Type of structure Regional
Structure description Stocks

Ore body information

  • General form FLAKES
    Strike NE
    Dip SE
    Thickness 137.16M
    Length 701.04M

Controls for ore emplacement

  • Zones Of Contact Metamorphosed Quartzite

Comments on the geologic information

  • WHITE CLOUD STOCK DATED LJUR-ETERT BY VISGER ( 1974 ); QUARTZ-ALBITE DIKE TRENDS NE AND IS 90 FT LONG

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1922
Discoverer Jess Baker

Mining district

District name Boulder Creek, East Fork Districts

Land status

Ownership category National Forest
Area name Challis National Forest

Ownership information

  • Type Operator
    Owner Asarco (American Smelting And Refining Co.)
  • Type Owner
    Owner Eddie Baker

Comments on the reserve resource information

  • 100,000 THOUSAND TONS FROM NORTH ZONE, 35000 THOUSAND TONS SOUTH ZONE

Comments on development

  • ASARCO DID GEOLMAP, GEOCHEM AND DDH IN 1968 AND HELD 50 CLAIMS IN AREA BY 1969

Reference information

Bibliographic references

  • Deposit

    TSCHANZ, C. M., AND OTHERS, 1974, MINERAL RESOURCES OF THE EASTERN PART OF THE SAWTOOTH NATIONAL RECREATION AREA, CUSTER AND BLAINE COUNTIES, IDAHO: USGS OPEN-FILE REPORT, 648 P.

  • Deposit

    SPOKESMAN REVIEW, SEPT. 29 , 1968

  • Deposit

    SPOKANE CHRONICE, OCT. 1 , 1969

  • Deposit

    VISGER, F.J., 1974 , THE GEOLOGY OF THE UNCLE JESS MOLYBDENITE DEPOSIT, CUSTER COUNTY, IDAHO: CHENEY, WASHINGTON, EASTERN WASHINGTON COLLEGE, M.S. THESIS, 29 P.

  • Deposit

    1922 DIREXPL JESS BAKER, USGS OPEN-FILE REPT.

  • Deposit

    1945 COMPILE

  • Deposit

    1974 RECON TSCHANZ, C. M., AND OTHERS, OPEN-FILE REPT.

  • Deposit

    IBMG MINES & PROSPECTS OF THE CHALLIS QUAD, 1982, MITCHELL

  • Deposit

    VANNOY AND OTHERS, 1986, USGS BULL.1545E, P.254, N0.92, 93

  • Deposit

    ROSS, C. P., 1937, U. S. GEOLOGICAL SURVEY BULLETIN 877, P. 154.

General comments

Subject category Comment text
Deposit TWO MINERALIZED ZONES: NORTH AND SOUTH. SOUTH ZONE AVERAGES 325 FT. IN WIDTH, STRIKES N 40-60 DEG E, AND DIPS 60-70 DEG SE.

Reporter information

Type Date Name Affiliation Comment
Reporter 1976-07-01 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 1988-08-04 McHugh, Edward L. U.S. Bureau of Mines

Beyond USGS

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

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.