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  3. Mineral Resource Data System (MRDS)

Keystone Property

Occurrence in Custer county in Idaho, United States with commodities Fluorine-Fluorite, Silver
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10096312
MRDS ID W014289
Record type Site
Current site name Keystone Property

Geographic coordinates

Geographic coordinates: -114.33312, 44.44489 (WGS84)
Elevation 2896
Relative position 7 1/4 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 21 Idaho

Comments on the location information

  • UPPER NORTH & EAST SLOPE KEYSTONE MTN.

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Silver Tertiary

Materials information

Materials Type of material
Fluorite Ore
Quartz Gangue

Analytical data

Result RANDOM SAMPLES RANGE 30 - 60% CAF2

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Bayhorse Dolomite; Ramshorn Slate
    Rock description Bayhorse Dolomite;Ramshorn Slate

Nearby scientific data

(1) -114.33312, 44.44489
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Bayhorse Anticline - Deposit On Southerly Plunging Nose Of Anticline.
Type of structure Local
Structure description N - S Fault

Controls for ore emplacement

  • Contact Of Dolomite And Slate - Also N - S Fault

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Bayhorse District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Chambers, A. E.

Comments on the workings information

  • PITS, TRENCHES, ADITS

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

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.

Maps centered on this site