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Calvin Mine

Past Producer in Madison county in Montana, United States with commodities Silver, Lead, Zinc, Gold, Copper
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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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10042790
MRDS ID M060819
Record type Site
Current site name Calvin Mine
Related records 10124535

Geographic coordinates

Geographic coordinates: -112.59838, 45.63351 (WGS84)
Elevation 1987
Relative position 4 1/2 MILES E. OF MELROSE, MONTANA

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wickiup Creek(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)

Geographic areas

Country State County
United States Montana Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 002S 008W 28 Montana

Comments on the location information

  • 1:24000 QUADRANGLE MAP IS A 1976 EDITION

Commodities

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

Comments on the commodity information

  • ORE OCCURS IN A FAVORABLE BED, ABOUT 25 FT. THICK IN CAMBRIAN DOLOMITE.

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Silver Ore
Sphalerite Ore

Analytical data

Result COARSE LUMPS OF ORE ASSAYED 27 OZ AG. AND 0.12 OZ AU/TON, 15% PB, 30% ZN, 0.5% CU. AND 8.4% FE

Host and associated rocks

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

Nearby scientific data

(1) -112.59838, 45.63351
ListMap

Economic information

Ore body information

  • General form IRREGULAR, POD
    Thickness 3.05M
    Length 1219.2M
    Depth to top 0M

Controls for ore emplacement

  • Intersection Of Favorable Beds With Low-Angle Faults That Dip In Same Direction As Bedding.

Economic information about the deposit and operations

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

Mining district

District name Melrose (Camp Creek) District

Ownership information

  • Type Owner-Operator
    Owner Commonwealth Lead Mining Co.

Comments on the production information

  • THE ADJACENT COMMONWEALTH AND JACK RABBIT MINES PRODUCED A TOTAL OF 10,000 TONS FROM THE SAME ZONE MINED AT THE CALVIN MINE.

Workings at the site

  • Type of workings Unknown
    Length 548.64M
    Overall depth 91.44M

Comments on the workings information

  • 3 MINES EXPLORE SAME ZONE, TOTAL OUTCROP LENGTH IS 4,000 FT.

Reference information

Bibliographic references

  • Deposit

    MBMG MEM 19, P. 47.

  • Deposit

    USGS BULL 574, P. 90-96.

  • Production

    DMEA FILE

General comments

Subject category Comment text
Deposit THE NEAREST PLUTONIC ROCKS ABOUT 6 MILES DISTANT. THE CAMBRIAN ROCKS ARE UNCONFORMABLE ON PRECAMBRIAN GNEISS. HANGING-WALL OF THE ORE IS 8-15 FT. ABOVE BASE OF CALVIN MEMBER.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Puffett, Willard P. U.S. Geological Survey
Updater 01-JUL-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.

Maps centered on this site