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Seafoam Mine

Past Producer in Custer county in Idaho, United States with commodities Gold, Silver, Lead, Zinc, Copper
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Mineral rights holdings
  17. Land status
  18. Ownership information
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. Reporter information

Geologic information

Identification information

Deposit ID 10070827
MRDS ID W013929
MAS/MILS ID 0160370247
Record type Site
Current site name Seafoam Mine
Alternate or previous names Providence Group, Montana Mine

Geographic coordinates

Geographic coordinates: -115.12905, 44.52928 (WGS84)
Elevation 2316
Relative position 23.5 MI NNW OF STANLEY

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Soldier Creek(quadrangle 1:24,000 scale)

Pistol Creek(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Middle Fork Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis 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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 014N 011E 21 SESW Idaho

Comments on the location information

  • Near Head of Harlan Creek, SE Side of Valley

Commodities

Commodity Importance
Gold Primary
Silver Tertiary
Lead Tertiary
Zinc Critical Tertiary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification; Sericitization; Leaching; Kaolinization

Analytical data

Result ASSAYS RANGE FROM A FEW CENTS TO MORE THAN $200 AU/TON.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Idaho Batholith-Quartz Monzonite, Granodiorite;Dikes-Lamprophyre
    Rock description Idaho Batholith-Quartz Monzonite, Granodiorite;Dikes-Lamprophyre
  • Host or associated Associated
    Rock type Plutonic Rock > Porphyry > Lamprophyre
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Porphyry > Lamprophyre

Nearby scientific data

(1) -115.12905, 44.52928
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description 5 Ft Leached Zone; Small Scale Post - Mineral Faulting

Ore body information

  • General form STRINGERS, VEINLETS, LENTICULAR, EN ECHELON
    Strike N 25 DEG W
    Dip 60 DEG E
    Length 182.88M
    Depth to top 91.44M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1925

Mining district

District name Seafoam District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Swigert, William

Workings at the site

  • Type of workings Underground
    Length 701.04M

Comments on development

  • Mill; 16 Patented Claims

Reference information

Bibliographic references

  • Deposit

    Treves, Samuel B., And Melear, John D., 1953, The Geology And Ore Deposits Of The Seafoam Mining District, Custer County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 96, 19 P

  • Deposit

    1953 Geolmap Idaho Bureau Of Mines And Geology Pamphlet 9

  • Production

    Treves, S. B., And Melear, J. D., 1953, Idaho Bureau Of Mines And Geol. Pamphlet 96, 19 P.

  • Deposit

    Bell, R. N., 1919, Twenty-First Annual Report Of The Mining Industry Of Idaho, P. 70-71. (See Also Annual Reports For The Years 1926 And 1927).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1974 Miller, Pat J. U.S. Geological Survey
Reporter 30-OCT-1992 Lowe, Nathan T. U.S. Bureau of Mines

Beyond USGS

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

External references

Maps centered on this site