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Smith-Dillon Mine

Past Producer in Beaverhead 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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10071879
MRDS ID W015574
Record type Site
Current site name Smith-Dillon Mine
Related records 10294221

Geographic coordinates

Geographic coordinates: -112.54309, 45.12296 (WGS84)
Elevation 1829
Relative position 7.7 MI S35E OF DILLON

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ashbough Canyon(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)

Geographic areas

Country State County
United States Montana Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 008S 008W 23 CENTER OF E2 Montana

Comments on the location information

  • INFO FROM LAND.ST :(1978)

Commodities

Commodity Importance
Talc-Soapstone Primary

Comments on the commodity information

  • TALC DOES NOT CONTAIN ASBESTIFORM MINERALS

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;Amphibolite;Dillon Granite Gneiss;Meta Quartzite
    Rock description Pre Belt;Amphibolite;Dillon Granite Gneiss;Meta Quartzite
    Stratigraphic age (youngest) Neoarchean

Nearby scientific data

(1) -112.54309, 45.12296
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Northeast Strike Of Lithologic Units
Type of structure Local
Structure description E-W Fault With Left Lateral Displacement Of 70 Ft At North End Of Pit

Ore body information

  • General form TABULAR
    Strike N 35 E
    Dip 65 NW
    Length 228.6M
    Width 15.24M
    Depth to top 60.96M
    Depth to bottom 60.96M

Controls for ore emplacement

  • Marble Host Rock

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Year of first production 1945

Mining district

District name Ruby Range

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Pfizer, Inc.

Comments on the production information

  • PRODUCTION FIGURES CONFIDENTIAL

Workings at the site

  • Type of workings Surface/Underground
    Area 2.024HA
    Length 579.12M
    Overall depth 45.72M
    Overall length 213.36M
    Overall width 91.44M

Comments on the workings information

  • DEPOSIT WAS FIRST MINED BY UNDERGROUND WORKINGS, THEN LATER BY AN OPEN PIT

Comments on development

  • ECON.COM: AT LOWER ELEVATION THAN OTHER TALC MINES IN AREA

Reference information

Bibliographic references

  • Deposit

    OKUMA, A. F., 1971, STRUCTURE OF THE SOUTHWESTERN RUBY RANGE NEAR DILLON, MONTANA: UNPUB. PH.D. DISS. PENN. STATE U. P. 99-102

  • Deposit

    OLSON, R. H., 1976, THE GEOLOGY OF MONTANA TALC DEPOSITS: IN MONT. BUREAU OF MINES AND GEOL. SPEC. PUB. 74, P. 128.

  • Deposit

    PERRY, E. S., 1948, TALC, GRAPHITE, VERMICULITE, AND ASBESTOS IN MONTANA: MONT. BUREAU OF MINES GEOL. MEM. 27, P. 4-6

  • Deposit

    GEACH, R.D., 1972, MINES AND MINERAL DEPOSITS, BEAVERHEAD CO., MT: MT. BUREAU OF MINES AND GEOL., BULL. 85, P. 161

  • Deposit

    1972 COMPILE M.B.M.G. BULL. 8

General comments

Subject category Comment text
Deposit INFERRED LENGTH IS 1450 FT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1977 Berg, Richard B. (Krohn, D. H.) U.S. Geological Survey
Updater 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.

External references

Maps centered on this site