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May Day Mine

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

Geologic information

Identification information

Deposit ID 10019845
MRDS ID DC11701
Record type Site
Current site name May Day Mine
Related records 10196431

Geographic coordinates

Geographic coordinates: -112.87506, 45.31934 (WGS84)
Elevation 2149
Relative position 2.5 MILES NNW OF ARGENTA

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ermont(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

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 006S 010W 07 Montana

Comments on the location information

  • CENTER OF SOUTH BORDER OF SECTION 7.

Commodities

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

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Missoula
    Rock description Missoula
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -112.87506, 45.31934
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Shale Trends N37e, 38 Se.

Ore body information

  • General form LENSES
    Strike N 12 E
    Dip 90
    Width 0.3M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1934
Discoverer George And Dick Fleming
Year of first production 1935

Mining district

District name Argenta District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner John Thuleson

Comments on the production information

  • PRODUCTION YEARS WERE 1935-7, 1939-42, 1947-50, AND 1961

Comments on the workings information

  • PROPERTY HAS BEEN TESTED ENTIRE LENGTH BY PITS, SHAFTS AND TRENCHES. ALL SHAFTS WERE INACCESSIBLE IN 1972.

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 85, P. 59.

  • Deposit

    MBMG BULL 25, P. 7.

  • Deposit

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

  • Production

    M.B.M.G. BULL. 85

General comments

Subject category Comment text
Deposit SHEAR ZONE IS 6 TO 12 INCHES WIDE AND IS MARKED BY GRAY TO YELLOWISH GOUGE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown 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.

External references

Maps centered on this site