Fluorescent Claims

Past Producer in Beaverhead county in Montana, United States with commodity Tungsten
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. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10010838
MRDS ID D004832
Record type Site
Current site name Fluorescent Claims
Alternate or previous names Star Claims, Mammoth Adit

Geographic coordinates

Geographic coordinates: -112.85645, 45.52907 (WGS84)
Elevation 2164
Relative position 10 AIR MILES SW OF MELROSE

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Storm Peak(quadrangle 1:24,000 scale)

Butte South(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Hole(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Beaverhead-Deerlodge 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 Montana Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 004S;003S 010W;010W 03,04,32,33,34 Montana

Comments on the location information

  • CLAIMS ARE PRINCIPALLY ON SLOPES ABOVE ROCK CREEK, FOR A FEW MILES WEST OF BROWNS LAKE

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Powellite Ore
Scheelite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Lcret-Tert Quartz Monzonite
    Rock description Lcret-Tert Quartz Monzonite
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Amsden
    Rock description Amsden

Nearby scientific data

(1) Granitic rock

Economic information

Geologic structures

Type of structure Local
Structure description Pioneer Batholith

Ore body information

  • Length 39.62M
    Width 2.74M

Controls for ore emplacement

  • Tactite Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1942
Discoverer R.C. Mclaughlin
Year of first production 1944

Mining district

District name Rock Creek District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Minerals Engineering Co. (Meco)
    Home office Grand Junction, Co.
    First year 1960
  • Type Owner
    Owner Fluorescent Mines Inc.
    First year 1960

Comments on the production information

  • 600 LB OF CONCENTRATES AVERAGING 26% WO3 WERE PRODUCED BY SMALL MILL FROM GARNET CLAIM ORE IN 1944.

Workings at the site

  • Type of workings Surface/Underground
    Length 16.15M

Comments on the workings information

  • TWO ADITS, THE GARNET (CAVED) AND THE 53-FT. MAMMOTH. SEVERAL BULLDOZER TRENCHES AND PITS.

Comments on development

  • MINERALS DISCOVERED BY EXAMINING COPPER ORE WITH ULTRAVIOLET LIGHT. FIFTEEN UNPATENTED CLAIMS. BUREAU OF MINES EXAMINED AREA DURING STRATEGIC MINERALS PROGRAM DURING 1942-44

Reference information

Bibliographic references

  • Deposit

    PATTEE, E.C., 1960, TUNGSTEN RES, WESTERN MT.-MT. TORREY BATHOLITH: U.S. BUREAU OF MINES, REPT. OF INV. 5552, P. 8-11

  • Deposit

    1960 COMPILE U.S.B.M. REPT. INV. 5552

  • Deposit

    1972 COMPILE M.B.M.G. BULL. 85

  • Production

    U.S. B.M., RI. 5552

General comments

Subject category Comment text
Deposit MINERALIZED TACTITE IS EXPOSED ON THE MAMMOTH, GARNET END STAR CLAIMS ON THE NORTH SIDE OF ROCK CREEK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1980 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey

Beyond USGS

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