Lamb Prospect

Prospect in Custer county in Idaho, United States with commodities Fluorine-Fluorite, Beryllium
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. Mineral rights holdings
  16. Land status
  17. Ownership information
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10070972
MRDS ID W014136
MAS/MILS ID 0160370256
Record type Site
Current site name Lamb Prospect

Geographic coordinates

Geographic coordinates: -114.76483, 44.45988 (WGS84)
Elevation 2621
Relative position 1 MI SE OF MT. JORDAN

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Jordan(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

Salmon-Challis 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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 013N 014E 13 Idaho

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Beryllium Critical Tertiary

Materials information

Materials Type of material
Fluorite Ore
Calcite Gangue
Chalcedony Gangue
Orthoclase Gangue
Quartz Gangue

Analytical data

Result A 4 FT SAMPLE ACROSS A VEIN ASSAYED AT 39.4 % CAF2
Result A HIGH VALUE OF 0.08 % BEO WAS OBTAINED

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Challis Volcanics-Andesites, Rhyolites
    Rock description Challis Volcanics-Andesites, Rhyolites
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -114.76483, 44.45988

Economic information

Geologic structures

Type of structure Local
Structure description Fault And Fracture Zones; Brecciation

Ore body information

  • General form LINEAR
    Thickness 1.22M
    Length 1609.3M
    Width 182.88M
  • General form TABULAR, SHEAR ZONE
    Strike N50E
    Dip 64N
    Thickness 90M
    Length 1610M

Controls for ore emplacement

  • Faulting
  • Fracturing

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both
Deposit size Small
Significant No
Discovery year 1960
Discoverer Van Lamb

Mining district

District name Yankee Fork District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest
Area name Challis National Forest

Ownership information

  • Type Owner
    Owner Van Lamb
    Interest 100
    Home office Stanley, Idaho
    Year 1976

Reference information

Bibliographic references

  • Deposit

    Choate, Raoul, 1962, Geology And Ore Deposits Of The Stanley Area: Idaho Bureau Of Mines And Geology, Pamphlet 126, 120 P

  • Deposit

    Idaho Bureau Of Mines And Geology Pamphlet 83, 1949, P. 89-90.

  • Deposit

    U.S. Geological Survey Prof. Paper 933, 1976, P. 36-37.

  • Deposit

    U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-3, No. 493, P. 221.

General comments

Subject category Comment text
Deposit 12-76 Fluorite Veins On the Lamb Property Are Thin and Irreg and Do Not Constitute A Major Fluorite Occurrance. Resource Potential Is Poor. 12-76 the Fluorite Veins Contained Trace Amts of Beryllium ( 1962, P 90).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1975 Yett, Jay R.; Miller, Pat U.S. Geological Survey
Reporter 05-NOV-1992 Kauffman, John D. U.S. Bureau of Mines

Beyond USGS

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