Sylvia Mine

The Sylvia Mine is a lead, silver, gold, zinc, and copper mine located in Beaverhead county, Montana at an elevation of 6,946 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: Sylvia Mine  

State:  Montana

County:  Beaverhead

Elevation: 6,946 Feet (2,117 Meters)

Commodity: Lead, Silver, Gold, Zinc, Copper

Lat, Long: 45.30528, -112.89111

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 Sylvia Mine

Sylvia Mine MRDS details

Site Name

Primary: Sylvia Mine


Commodity

Primary: Lead
Primary: Silver
Primary: Gold
Primary: Zinc
Primary: Copper


Location

State: Montana
County: Beaverhead
District: Argenta 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

Not available


Ownership

Owner Name: G. Elder, G. Fleming, J. Collins
Years: 1972 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1940
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

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


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Oxidation


Rocks

Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cambrian

Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian


Analytical Data

Not available


Materials

Ore: Plumbojarosite
Ore: Galena
Gangue: Quartz
Gangue: Limonite
Gangue: Jasper


Comments

Comment (Production): PRODUCTION YEARS INCLUDE 1937, 1941-3, 1948-50, 1954, AND 1963-4.

Comment (Development): ONE UNPATENTED CLAIM

Comment (Deposit): 4 TO 14 INCH VEIN CUTS FLAT-LYING QUARTZITE. OXIDIZED ORE WAS STOPED FROM 90-FT. LEVEL TO SURFACE.

Comment (Workings): INCLINED SHAFT 90-FT DEEP AND A DRIFT 150-FT LONG RUNNING SOUTH FROM THE SHAFT. A 70-FT WINZE WAS SUNK ON THE VEIN FROM THE END OF THE DRIFT.


References

Reference (Deposit): MBMG BULL 85, P. 62

Reference (Deposit): 1972 COMPILE M.B.M.G. BULL. 8

Reference (Production): M.B.M.G. BULL. 85


Principal Gold Districts of Montana

Principal Gold Districts of Montana

In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.