Bunker Hill Mine

The Bunker Hill Mine is a silver and lead mine located in Lewis and Clark county, Montana at an elevation of 5,699 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: Bunker Hill Mine  

State:  Montana

County:  Lewis and Clark

Elevation: 5,699 Feet (1,737 Meters)

Primary Mineral: Silver, Lead

Lat, Long: 46.46944, -112.24778

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 Bunker Hill Mine

Bunker Hill Mine MRDS details

Site Name

Primary: Bunker Hill Mine


Commodity

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


Location

State: Montana
County: Lewis and Clark
District: Rimini 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: Underground


Ownership

Owner Name: Montana Lead Co.


Production

Year: 1947
Description: Ap_Grade: ^.15 Oz/Ton Au, 20 Oz/Ton Ag, 5% Pb, 2% Zn
Year: 1891
Time Period: 1888-1891
Description: Cp_Grade: ^0.22 Oz/Ton Au, 30 Oz/Ton Ag, 11 % Pb.


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1888
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

Type: R
Description: Boulder Batholith

Type: L
Description: Red Mountain Fault


Alterations

Alteration Type: L
Alteration Text: Sericitization


Rocks

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

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


Analytical Data

Analytical Data: ADIT NO. 1: 0.5 OZ/TON AU, 14 OZ/TON AG, 9 % PB, 5% ZN; ADIT NO. 2: 0.15 OZ/TON AU, 20 OZ/TON AG, 5% PB, 2 % PB, A LITTLE CU.


Materials

Ore: Gold
Ore: Sphalerite
Ore: Galena
Gangue: Quartz
Gangue: Sericite
Gangue: Tourmaline


Comments

Comment (Deposit): ADIT NO. 1 IS THE LOWES, THE VEIN IS 3 FT OR LESS IN WIDTH BOUNDED BY PARALLEL JOINTS; ADIT NO. 2 LESS CONTINUOUS CONTROLLING JOINTS, IT HAS 2 QUARTZ-TOURMALINE VEINS 1-5 FT IN WIDTH. THIS VEIN ZONE SEEMS TO HAVE BEEN A CHANNEL WAY FOR HYDROTHERMAL SOLUTIONS. ADIT NO. 3 HAS SEVERAL BRANCHES WHICH CONTINUE EAST BUT THE DIP FLATTENS.

Comment (Workings): 3 ADIT DRIFTS,

Comment (Location): E SIDE OF TENMILE CR. ; INFO FROM LAND.ST :(1950)

Comment (Production): PRODUCTION WAS RECORDED IN 1942.


References

Reference (Deposit): USGS PP 428, P. 42, 43, 54, 58, PL. 1.

Reference (Deposit): USGS BULL 842, P. 253.

Reference (Deposit): USGS-USBM MINERAL YEARBOOK 1942.

Reference (Production): USGS PP 428, P. 58. USGS-USBM MINERAL YEARBOOK