Potosi Mine

The Potosi Mine is a silver mine located in Owyhee county, Idaho at an elevation of 6,201 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: Potosi Mine  

State:  Idaho

County:  Owyhee

Elevation: 6,201 Feet (1,890 Meters)

Primary Mineral: Silver

Lat, Long: 43.0153, -116.73220

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 Potosi Mine

Potosi Mine MRDS details

Site Name

Primary: Potosi Mine


Commodity

Primary: Silver
Secondary: Gold
Tertiary: Copper


Location

State: Idaho
County: Owyhee
District: French District


Land Status

Land ownership: BLM Administrative Area
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: W. Stoddard, W. Kehaly ( 1955 )


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1875
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section
Physiographic Detail: Owyhee Mountains


Mineral Deposit Model

Not available


Orebody

Form: IRREGULAR


Structure

Not available


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Miocene

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Miocene


Analytical Data

Analytical Data: AVG VALUES IN 1907 OF $20-50/TON
Analytical Data: ORE WORTH $38/TON IN 1870


Materials

Ore: Argentite
Ore: Gold
Ore: Copper
Gangue: Quartz


Comments

Comment (Production): $6,000 WORTH OF AU & AG MINED IN 1869

Comment (Workings): 7 TUNNELS ( 1955 )


References

Reference (Deposit): LINDGREN, W., 1898, THE GOLD AND SILVER VEINS OF SILVER CITY, DELAMAR, AND OTHER MINING DISTRICTS OF IDAHO: 20TH ANN. REPORT, U.S.G.S., P. 75 -205 (PT. 3).

Reference (Deposit): MC DOWELL, G. A., 1955 , 57TH ANN. REPT. OF THE MINING INDUSTRY OF IDAHO FOR 1955 .

Reference (Deposit): PANSZE, A. J., JR., 1975 , GEOLOGY AND ORE DEPOSITS OF THE SILVER CITY-DELAMAR-FLINT REGION, OWYHEE COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 161 , 79 P.

Reference (Deposit): 1898 COMPILE W. LINDGREN, 20TH ANN. REPT.

Reference (Deposit): 1968 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 161

Reference (Deposit): 1974 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 162

Reference (Production): LINDGREN, W., 1898, USGS 20TH ANN. REPT., PT. 3, P. 75-205. BELL, R. N., 1907 , 9TH ANN REPT OF THE MINING INDUSTRY OF IDAHO FOR 1907.


Idaho Gold

Where to Find Gold in Idaho

"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more at Where to Find Gold in Idaho.