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Beaverhead Mine

Producer in Madison county in Montana, United States with commodity Talc-Soapstone
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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. 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. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10070456
MRDS ID W013398
Record type Site
Current site name Beaverhead Mine
Alternate or previous names Sierra Strip Mine

Geographic coordinates

Geographic coordinates: -112.30337, 45.22518 (WGS84)
Elevation 2414
Relative position 15.8 MI N88E OF DILLON

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mine Gulch(quadrangle 1:24,000 scale)

Dillon(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Beaverhead(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management MT)

Bureau of Land Management MT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Montana Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 007S 006W 14 CENTER OF N2 OF S2 Montana

Comments on the location information

  • INFO FROM LAND.ST :(1978)

Commodities

Commodity Importance
Talc-Soapstone Primary

Materials information

Materials Type of material
Talc Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
    Rock unit name Pre Belt;Gneiss;Schist;Amphibolite
    Rock description Pre Belt;Gneiss;Schist;Amphibolite
    Stratigraphic age (youngest) Neoarchean

Nearby scientific data

(1) -112.30337, 45.22518
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Minor Faults Offset Talc Body, Possible Isoclinal Folding
Type of structure Local
Structure description Steeply Inclined Faults

Ore body information

  • General form POD
    Strike N 80 E
    Dip 45 NW
    Length 274.32M
    Width 30.48M
    Depth to top 0M

Controls for ore emplacement

  • Lithology Of Host Rock (Dolomitic Marble)

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Deposit size Medium
Significant No

Mining district

District name Ruby Range

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Cyprus Industrial Minerals,
    First year 1976
  • Type Owner
    Owner Cyprus Industrial Minerals

Comments on the production information

  • MINE HAS LESS THAN 50,000 ST MINED PER YEAR

Comments on the workings information

  • MAJOR STRIP MINING OCCURED 1974-1976.

Comments on development

  • ECON.COM: OVERBURDEN MUST BE REMOVED AS MINE IS DEEPENED

Reference information

Bibliographic references

  • Deposit

    OLSON, R. H., (IN PREP.) THE GEOLOGY OF MONTANA TALC DEPOSITS: TO BE PUBLISHED BY THE MBMG IN THE PROCEEDINGS VOLUME OF THE ELEVENTH FORUM ON THE GEOLOGY OF INDUSTRIAL MINERALS

  • Deposit

    GARIHAN, J. M., 1973, GEOLOGY AND TALC DEPOSITS OF THE CENTRAL RUBY RANGE, MADISON COUNTY, MONTANA: UNPUB. PHD DISS. PENN. STATE UNIV.

  • Deposit

    BERG, R.B., 1979, TALC AND CHLORITE DEPOSITS IN MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 45, P.34.

General comments

Subject category Comment text
Deposit TALC MAY PINCH OUT ALONG STRIKE. BLOCKS OF UNREPLACED DOLOMITIC MARBLE ARE NUMEROUS WITHIN THE TALC BODY. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1976 Berg, Richard B. (Krohn, D. H.) U.S. Geological Survey
Updater 01-MAY-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.

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