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Twin Fluorite Claims

Occurrence in Custer county in Idaho, United States with commodity Fluorine-Fluorite
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10011684
MRDS ID D006773
Record type Site
Current site name Twin Fluorite Claims
Alternate or previous names Purple Spar Prospect? Sherry Prospect

Geographic coordinates

Geographic coordinates: -114.26061, 43.86599 (WGS84)
Elevation 2896
Relative position 3 MI N OF TRAIL CREEK SUMMIT.

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rock Roll Canyon(quadrangle 1:24,000 scale)

Sun Valley(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Lost(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper 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

Comments on the location information

  • NORTH OF LITTLE FALLS CREEK ABOUT 1.5 MI NW OF ITS JUNCTION WITH SUMMIT CREEK.

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Materials information

Materials Type of material
Fluorite Ore
Calcite Gangue
Quartz Gangue

Analytical data

Result 3 HAND-SORTED SAMPLES RAN 68%, 92% AND 96% CAF2.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Phi Kappa Formation
    Rock description Phi Kappa Formation
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite

Nearby scientific data

(1) -114.26061, 43.86599
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Strike N50-70E
    Dip 50-90 NW
    Width 1.22M

Controls for ore emplacement

  • Shear And Breccia Zones In Quartzite And Argillite

Comments on the geologic information

  • A SMALL QUARTZ MONZONITE STOCK IS EXPOSED SOUTH OF THE CREEK, AND CONTAINS MO AND W MINERALS FARTHER TO THE EAST.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1945

Mining district

District name Alta District

Land status

Ownership category National Forest
Area name Challis National Forest

Ownership information

  • Type Owner-Operator
    Owner F. D. Sherry
    Home office Mackay, Id.
    First year 1943

Comments on the workings information

  • NO WORKINGS WERE PRESENT IN 1943.

Comments on development

  • PROSPECT CONSISTS OF TWO CLAIMS: TWIN AND TWIN NO. 1

Reference information

Bibliographic references

  • Deposit

    COMMODITY FILES, U.S.G.S., SPOKANE WA

  • Deposit

    USGS BULL 814, 250 P.

General comments

Subject category Comment text
Deposit EACH CLAIM CONTAINS A ZONE OF DISCONTINUOUS QUARTZ-FLUORITE VEINS AND VEINLETS. THE ZONES ARE AT LEAST 1000 FT. LONG AND UP TO 25 FT. WIDE
Deposit SEE LITTLE FALLS CREEK DEPOSIT FOR NEARBY MO AND W MINERALIZATION. ; INFO.SRC : 2 UNPUB REPT
Deposit Discovery Year: 1940'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1981 Lewis, Reed S. (Orris, Greta J.) U.S. Geological Survey

Beyond USGS

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

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