Peerless Jennie Mine

The Peerless Jennie Mine is a silver and lead mine located in Lewis and Clark county, Montana at an elevation of 7,500 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: Peerless Jennie Mine  

State:  Montana

County:  Lewis and Clark

Elevation: 7,500 Feet (2,286 Meters)

Primary Mineral: Silver, Lead

Lat, Long: 46.43111, -112.24000

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 Peerless Jennie Mine

Peerless Jennie Mine MRDS details

Site Name

Primary: Peerless Jennie Mine
Secondary: Peerless Mine
Secondary: Pearless Jenny Mine


Commodity

Primary: Silver
Primary: Lead
Secondary: Zinc


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

Not available


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

Type: R
Description: Boulder Batholith


Alterations

Alteration Type: L
Alteration Text: Sericitized And Slightly Pyritized


Rocks

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

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


Analytical Data

Analytical Data: ASSAY. SURFACE ORE
Analytical Data: $12/TON AG, PB, ZN ORE IN 1925-1926. DUMPS MAY HAVE $9-10 PB, AG, ZN PER TON.
Analytical Data: 50 TONS OF ORE AVERAGED 900 OZ/TON AG, 200 TONS OF ORE AVERAGED 500 OZ/TON AG. ASSAY. UNDER GROUND


Materials

Ore: Galena
Ore: Sphalerite
Gangue: Pyrite
Gangue: Quartz
Gangue: Hematite


Comments

Comment (Workings): SHAFT, CROSSCUT, AND RAISE. FLOODED WINZE BELOW CROSSCUT NORTH OF VEIN.

Comment (Production): WORKED ALMOST ENTIRELY IN THE DAYS OF EARLY MINING, MAINLY FOR SILVER. DURING 1920'S AND 1930'S A SMALL AMOUNT OF ORE WAS PRODUCED.

Comment (Deposit): MINERALIZED ZONE TRACEABLE ON THE SURFACE FOR 1 MI. AS A WIDE ALTERED, AND WEATHERED ZONE LOCALLY STAINED WITH HEMATITE OR MARKED BY QUARTZ OUTCROPS

Comment (Location): INFO FROM LAND.ST :(1950)


References

Reference (Deposit): USGS BULL 842, P. 258.

Reference (Deposit): USGS PP 428, P. 61, PL. 1.

Reference (Deposit): USGS BULL 527, P. 84.

Reference (Production): USGS PP 428, P. 61.