Baltimore Mine

Past Producer in Blaine county in Idaho, United States with commodities Lead, Silver, Zinc, Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10070589
MRDS ID W013585
Record type Site
Current site name Baltimore Mine
Related records 10119804

Geographic coordinates

Geographic coordinates: -114.27811, 43.67629 (WGS84)
Elevation 2213
Relative position 4 MI E OF KETCHUM

Site location context

Political divisions (FIPS codes)

Blaine(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sun Valley(quadrangle 1:24,000 scale)

Sun Valley(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Wood(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Sawtooth National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Blaine

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 004N 018E 14 Idaho

Comments on the location information

  • ON RIDGE BETWEEN INDEPENDENCE GULCH AND S FORK OF KEYSTONE GULCH. 1500 FT. N. OF THE INDEPENDENCE

Commodities

Commodity Importance
Lead Primary
Silver Primary
Zinc Critical Secondary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Polybasite Ore
Sphalerite Ore
Tetrahedrite Ore
Calcite Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Andesite
    Rock description Andesite
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Milligen Form.-Argillite;Wood River Form.-Limestone, Quartzite
    Rock description Milligen Form.-Argillite;Wood River Form.-Limestone, Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -114.27811, 43.67629

Economic information

Geologic structures

Type of structure Local
Structure description Fault Striking N 10 Deg E And Dipping 45 - 60 Deg. Nw

Ore body information

  • General form IRREGULAR: BUNCHES, LENSES
    Strike N 70 DEG E
    Dip 34 DEG SW
    Thickness 4.57M

Controls for ore emplacement

  • Brecciated Shear Zone

Comments on the geologic information

  • MILLIGEN FORMATION STRIKES N 40 - 75 DEG W AND DIP SW.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Warm Springs District

Land status

Ownership category National Forest
Area name Sawtooth National Forest

Ownership information

  • Type Owner
    Owner Baltimore Silver - Lead Co.

Comments on the production information

  • 3 CARLOADS OF ORE PRODUCED AND SHIPPED IN 1896 RAN 14% ZN, 10% PB, AND 12 OZ/TON AG.

Workings at the site

  • Type of workings Underground
    Length 701.04M

Comments on the workings information

  • 5 TUNNELS; 3 CAVED.

Comments on development

  • 4 PATENTED AND 6 UNPATENTED CLAIMS

Reference information

Bibliographic references

  • 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.

  • 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.

  • Deposit

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

  • Deposit

    1930 GEOLMAP UMPLEBY, J. B., BULL. 814

  • Deposit

    1949 GEOLMAP IDAHO BUREAU OF MINES & GEOL. PAMPHLET 90

  • Deposit

    1959 OTHER IDAHO BUREAU OF MINES AND GEOLOGY, OPEN - FILE REPT.

  • Production

    ANDERSON, A. L., AND OTHERS, 1950, IDAHO BUREAU OF MINES AND GEOL. PAMPHLET 90, P. 53.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1976 Murphy, Lyn S.; Miller, Pat U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.