Eva May Mine

Past Producer in Jefferson county in Montana, United States with commodities Silver, Lead, Copper, Gold, Zinc, Antimony, Arsenic
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. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  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 10015902
MRDS ID DB02186
Record type Site
Current site name Eva May Mine
Alternate or previous names Eva May Tailings

Geographic coordinates

Geographic coordinates: -112.2231, 46.34879 (WGS84)
Relative position 15.8 KM SSW OF JEFFERSON CITY.

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Thompson(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Boulder(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 Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 007N 005W 21,22 NE OF NE (21); NW OF NW (22) Montana

Comments on the location information

  • NEAR THE JUNCTION OF CATARACK AND HOODO CREEK. ; INFO FROM LAND.ST :(1950)

Commodities

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

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Sphalerite Ore
Tetrahedrite Ore
Pyrite Gangue
Quartz Gangue
Tourmaline Gangue

Alteration

  • (Local) Sericitization Of Alaskite

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Butte Quartz Monzonite (Boulder Batholith)
    Rock description Butte Quartz Monzonite (Boulder Batholith)
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) Granitic rock

Economic information

Ore body information

  • Width 15.24M

Economic information about the deposit and operations

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

Mining district

District name Basin (Cataract, Comet) District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner W. K. Miller
    Home office Basin, Mt.
  • Type Owner
    Owner Neuberg Brothers And Sloan Inc.
    Home office First National Bank, Butte, Mt.

Comments on the production information

  • ANALYSIS CITED BY W. H WEED (1902) SHOWS 9.83% PB, 6% ZN, 4.56% CU, .1 OZ/TON AU, 1.85 OZ/TON AG. TOTAL PRODUCTION REPORTED AS $2 MILLION WORTH OF ORE UP TO 1953.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 365.76M

Comments on the workings information

  • SHAFT, DRIFTS, 8 LEVELS, SEVERAL THOUSAND FEET OF WORKING COLLAR OF SHAFT IS NOW COVERED BY THE DUMP OF A BULLDOZER CUT EXCAVATED RECENTLY (1960) TO EXPLORE THE VEIN. IN ADITION A 420FT ADIT DRIVEN TO EXPLORE THE VEIN AT ABOUT THE 100FT LEVEL OF THE SHAFT.

Comments on development

  • 7 PATENTED AND 7 UNPATENTED CLAIMS ; ECON.COM: 50 TON MILL BUILT AT THE MINE IN 1910

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 16, P. 29.

  • Deposit

    USGS BULL 527, P. 122-23.

  • Deposit

    USGS BULL 842, P. 295

  • Deposit

    USGS PP 428, P. 36, 45, 91

  • Deposit

    MBMG MEM 31, P. 42-3.

  • Deposit

    MBMG BULL 82, P. 10

  • Production

    MBMG BULL 16, P. 102.

General comments

Subject category Comment text
Deposit LARGE VEIN WITH THICK SHOOTS BUT AWAY FROM ENRICHING FRACTURE IS TOO POOR TO WORK FOUR ORE BODIES 80-200 FT. STRIKE LENGTH, 6-15 FT. WIDE EVA MAY MINE IS AT THE E END OF THE EVA MAY-CRYSTAL-BULLION VEIN, IT HAS A RECOGNIZED STRIKE LENGTH OF MORE THAN 3.5 MI.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Elliott, James E. U.S. Geological Survey
Updater 01-JUN-1981 Wise, Kristine K. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

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

External references