Eva May Mine

The Eva May Mine is a silver, lead, and copper mine located in Jefferson county, Montana.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Eva May Mine  

State:  Montana

County:  Jefferson

Elevation:

Primary Mineral: Silver, Lead, Copper

Lat, Long: 46.34889, -112.22222

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Eva May Mine

Eva May Mine MRDS details

Site Name

Primary: Eva May Mine
Secondary: Eva May Tailings


Commodity

Primary: Silver
Primary: Lead
Primary: Copper
Secondary: Gold
Secondary: Zinc
Tertiary: Arsenic
Tertiary: Antimony


Location

State: Montana
County: Jefferson
District: Basin (Cataract, Comet) District


Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Owner Name: Neuberg Brothers And Sloan Inc.
Home Office: First National Bank, Butte, Mt.

Owner Name: W. K. Miller
Home Office: Basin, Mt.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Sericitization Of Alaskite


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous


Analytical Data

Not available


Materials

Ore: Chalcopyrite
Ore: Sphalerite
Ore: Galena
Ore: Tetrahedrite
Ore: Gold
Gangue: Tourmaline
Gangue: Quartz
Gangue: Pyrite


Comments

Comment (Workings): 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.

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

Comment (Production): 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.

Comment (Development): 7 PATENTED AND 7 UNPATENTED CLAIMS ; ECON.COM: 50 TON MILL BUILT AT THE MINE IN 1910

Comment (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.


References

Reference (Deposit): MBMG BULL 16, P. 29.

Reference (Deposit): USGS BULL 527, P. 122-23.

Reference (Deposit): USGS BULL 842, P. 295

Reference (Deposit): USGS PP 428, P. 36, 45, 91

Reference (Deposit): MBMG MEM 31, P. 42-3.

Reference (Deposit): MBMG BULL 82, P. 10

Reference (Production): MBMG BULL 16, P. 102.


Colorized Mining Photos

Drumlummon Mine at Marysville, Montana late 1880s

Western Mining History's collection of colorized mining photos includes incredible scenes from Montana: Best Historical Photos: Colorized Mining Scenes.