Chalspar No. 2 Prospect

Prospect in Custer county in Idaho, United States with commodity Fluorine-Fluorite
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. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10071074
MRDS ID W014283
MAS/MILS ID 0160370524
Record type Site
Current site name Chalspar No. 2 Prospect

Geographic coordinates

Geographic coordinates: -114.37202, 44.47819 (WGS84)
Elevation 2438
Relative position 5.5 MI SW OF CHALLIS

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bayhorse(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 018E 05 SE Idaho

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Materials information

Materials Type of material
Fluorite Ore
Quartz Gangue

Analytical data

Result RANDOM SAMPLES ACROSS FISSURE - BRECCIA ZONE RANGE FROM 57.1 - 67.1% CAF2.

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
    Rock unit name Ramshorn Conglomerate
    Rock description Ramshorn Conglomerate
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Bayhorse Dolomite
    Rock description Bayhorse Dolomite;

Economic information

Geologic structures

Type of structure Regional
Structure description W. Flank Of Bayhorse Anticline

Ore body information

  • Strike N 20 DEG W
    Dip SW
    Width 6.1M

Controls for ore emplacement

  • Fissuring & Brecciation Zone

Economic information about the deposit and operations

Development status Prospect
Commodity type Non-metallic
Deposit size Medium
Significant No
Discovery year 1953

Mining district

District name Bayhorse District

Land status

Ownership category National Forest
Area name Challis National Forest

Comments on development

  • Econ.Com: Deposit Appears To Be Large And Worthy Of Further Development.

Reference information

Bibliographic references

  • Deposit

    Anderson, A. L., 1954, A Preliminary Report On The Fluorspar Mineralization Near Challis, Custer County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 101., 13 P

  • Deposit

    1954 Recon Idaho Bureau Of Mines And Geology Pamphlet 10

  • Deposit

    IBMG Mines & Prospects Of The Challis Quad, 1982, Mitchell

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey

Beyond USGS

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