Baltimore Mine

The Baltimore Mine is a lead and silver mine located in Blaine county, Idaho at an elevation of 7,260 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

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.

Site Name

Primary: Baltimore Mine

Commodity

Primary: Lead
Primary: Silver
Secondary: Zinc
Tertiary: Copper

Location

State: Idaho
County: Blaine
District: Warm Springs 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.
Administrative Organization: Sawtooth National Forest

Holdings

Not available

Workings

Type: Underground

Ownership

Owner Name: Baltimore Silver - Lead Co.

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Unknown
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

Form: IRREGULAR: BUNCHES, LENSES

Structure

Type: L
Description: Fault Striking N 10 Deg E And Dipping 45 - 60 Deg. Nw

Alterations

Not available

Rocks

Name: Andesite
Role: Associated
Age Type: Host Rock
Age Young: Pennsylvanian

Name: Andesite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene

Name: Andesite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Analytical Data

Not available

Materials

Ore: Sphalerite
Ore: Polybasite
Ore: Tetrahedrite
Ore: Chalcopyrite
Ore: Galena
Gangue: Quartz
Gangue: Calcite
Gangue: Pyrite

Comments

Comment (Location): ON RIDGE BETWEEN INDEPENDENCE GULCH AND S FORK OF KEYSTONE GULCH. 1500 FT. N. OF THE INDEPENDENCE

Comment (Production): 3 CARLOADS OF ORE PRODUCED AND SHIPPED IN 1896 RAN 14% ZN, 10% PB, AND 12 OZ/TON AG.

Comment (Development): 4 PATENTED AND 6 UNPATENTED CLAIMS

Comment (Workings): 5 TUNNELS; 3 CAVED.

Comment (Geology): MILLIGEN FORMATION STRIKES N 40 - 75 DEG W AND DIP SW.

References

Reference (Deposit): JONES, R.W., 1959, PARKER GROUP, BALTIMORE: IDAHO BUREAU OF MINES AND GEOLOGY OPEN-FILE REPT.

Reference (Deposit): 1930 GEOLMAP UMPLEBY, J. B., BULL. 814

Reference (Deposit): 1949 GEOLMAP IDAHO BUREAU OF MINES & GEOL. PAMPHLET 90

Reference (Deposit): 1959 OTHER IDAHO BUREAU OF MINES AND GEOLOGY, OPEN - FILE REPT.

Reference (Production): ANDERSON, A. L., AND OTHERS, 1950, IDAHO BUREAU OF MINES AND GEOL. PAMPHLET 90, P. 53.

Reference (Deposit): ANDERSON, A. L., AND OTHERS, 1950, DETAILED GEOLOGY OF CERTAIN AREAS IN THE MINERAL HILL AND WARM SPRINGS MINING DISTRICTS: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 90, P. 52.

Reference (Deposit): UMPLEBY, J. B., AND OTHERS, 1930, GEOLOGY AND ORE DEPOSITS OF THE WOOD RIVER REGION, IDAHO, WITH A DESCRIPTION OF THE MINNIE MOORE AND NEAR-BY MINES: USGS BULL. 814, 245 P.

Idaho Gold

"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: Where to Find Gold in Idaho.