Florspar Nos 2 , 4 , 5 , 6 , 7 , 11 , 12 , 13

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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  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. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10022923
MRDS ID FS00439
MAS/MILS ID 160370274
Record type Site
Current site name Florspar Nos 2 , 4 , 5 , 6 , 7 , 11 , 12 , 13
Alternate or previous names Fluorspar #2, Chalspar #2

Geographic coordinates

Geographic coordinates: -114.3572, 44.4781 (WGS84)

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
013N 018E 05,08,09 SWSESE (05) Idaho

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Materials information

Materials Type of material
Fluorite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) MODERATE SILICIFICATION

Analytical data

Result FS MIN EXAM 1960 PLUMB

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -114.3572, 44.4781

Economic information

Ore body information

  • General form TABULAR, FISSURE VEIN
    Area 25HA
  • General form HYDROTHERMAL, BRECCIA FILL
    Area 25HA

Controls for ore emplacement

  • FAULTING
  • FRACTURING

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Non-metallic
Significant No

Mining district

District name Bayhorse Mining District

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Ownership information

  • Type Owner-Operator
    Owner J. R. Simplot Co.
    Interest 100
    Home office Idaho
    Year 1976

Comments on the production information

  • Deposit Has Never Produced

Workings at the site

  • Type of workings Underground
    Field Value
    Mining Method FILLED STOPES
    Swell Factor .65
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. TIMBER
    Number of Shafts 1
    Avg. Length of Adits (m) 275
    Number of Adits 1
    Capacity 200
    Capacity Units MT ORE/DAY
    Unit Production Cost 25
    Units of Production $/MT ORE
    Operating Days per Year 200
    Operating Shifts per Day 2
    Year of Information 1977

Reference information

Bibliographic references

  • Deposit

    Idaho Bureau Of Mines And Geology Pamphlet No 101 , 1954 , A Preliminary Report On The Flourspar Mineralization Near Challis, Custer County, Idah

  • Deposit

    Ross 1937 USGSs Bull 877, 161 P. (General Ref) Geol Of Bayhorse

  • Deposit

    Kimball, R.V. 1977 Written & Oral Comm. J.R. Simplot Co.

  • Deposit

    Ojala 1972 Priv Company Rept, Ozark-Mahoning Co Explor Memo

  • Deposit

    Shawe & Others 1976 USGS Prof Paper 933 P 35-38

Reporter information

Type Date Name Affiliation Comment
Reporter 1976-10-01 Meier, M. Lorrie U.S. Forest Service
Reporter 1992-11-03 Kauffman, John D. U.S. Bureau of Mines

Beyond USGS

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