Dillon Mine

Past Producer in Beaverhead county in Montana, United States with commodities Gold, Silver, Copper, Lead, Zinc
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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10010761
MRDS ID D004722
Record type Site
Current site name Dillon Mine

Geographic coordinates

Geographic coordinates: -113.03978, 45.29989 (WGS84)
Elevation 2286
Relative position 6.0 AIR MILES SE OF POLARIS

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Polaris(quadrangle 1:24,000 scale)

Salmon(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 Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006S 012W 23 Montana

Comments on the location information

  • CENTER OF SECTION 23

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Secondary
Lead Secondary
Zinc Critical Tertiary

Materials information

Materials Type of material
Jasper Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Gosson, Oxidation

Analytical data

Result VEIN SAMPLES ASSAYED 0.030-0.40 OZ AU/TON, 0.65-1.45 OZ AG/TON, 26.68-0.27% CU, 0.05% PB, AND 0.90-0.05% ZN

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Hasmark
    Rock description Hasmark
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -113.03978, 45.29989

Economic information

Ore body information

  • Strike NORTH - SOUTH
    Dip 30 W
    Width 0.91M

Controls for ore emplacement

  • Contact Between Limestone And Older Quartzite

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Baldy Mountain District

Land status

Ownership category Private

Workings at the site

  • Type of workings Surface/Underground
    Length 243.84M
    Overall depth 24.38M

Comments on the workings information

  • INCLINED SHAFTS, SHORT ADITS, AND PROSPECT PITS.

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 85, P. 71-72

  • Deposit

    1972 RECON M.B.M.G., BULL. 8

  • Production

    M.B.M.G. BULL. 85, P. 71.

General comments

Subject category Comment text
Deposit 3 FOOT VEIN CONTAINS IRON OXIDES AND HONEYCOMED QUARTZ.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1980 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey
Updater 01-FEB-1982 Unknown U.S. Geological Survey

Beyond USGS

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

External references