Examiner Mine

The Examiner Mine is a lead, zinc, copper, and manganese mine located in Jefferson county, Montana at an elevation of 5,610 feet.

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: Examiner Mine  

State:  Montana

County:  Jefferson

Elevation: 5,610 Feet (1,710 Meters)

Primary Mineral: Lead, Zinc, Copper, Manganese

Lat, Long: 45.92667, -112.04583

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 Examiner Mine

Examiner Mine MRDS details

Site Name

Primary: Examiner Mine
Secondary: Three Dots and A Dash


Commodity

Primary: Lead
Primary: Zinc
Primary: Copper
Primary: Manganese
Secondary: Gold
Secondary: Silver


Location

State: Montana
County: Jefferson
District: Whitehall (Cardwell) District


Land Status

Land ownership: Private
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: Underground


Ownership

Not available


Production

Not available


Deposit

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


Physiography

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


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Oxidation


Rocks

Name: Shale
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Shale
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic


Analytical Data

Not available


Materials

Ore: Galena
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Pyrolusite
Gangue: Barite
Gangue: Rhodochrosite
Gangue: Pyrite
Gangue: Psilomelane


Comments

Comment (Production): LESTER LINDQUIST SHIPPED MN ORE FROM THIS MINE DURING THE SECOND WORLD WAR.


References

Reference (Deposit): MBMG BULL 16, P. 81.

Reference (Deposit): LINDQUIST, A.E., 1966, STRUCTURE AND MINERALIZATION OF THE WHITEHALL MINING DISTRICT, JEFFERSON CO. MONT: MONT. SCHOOL OF MINES, M.S. THESIS, P. 74

Reference (Production): LINDQUIST, 1966


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.