Snowshoe Mine

Past Producer in Idaho county in Idaho, United States with commodities Gold, Silver, Copper, Lead
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. Land status
  17. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. Reporter information

Geologic information

Identification information

Deposit ID 10105761
MRDS ID W015197
MAS/MILS ID 0160490273
Record type Site
Current site name Snowshoe Mine
Alternate or previous names Orofino, Jensen Group, Janson

Geographic coordinates

Geographic coordinates: -115.07096, 45.19848 (WGS84)
Elevation 1737
Relative position ABOUT 19 MI BY ROAD FROM TOWN OF BIG CREEK

Site location context

Political divisions (FIPS codes)

Idaho(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Acorn Butte(quadrangle 1:24,000 scale)

Warren(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Middle Fork Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Payette National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Frank Church-River of No Return Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Idaho

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 022N 011E 35 SWSE Idaho

Comments on the location information

  • The Snowshoe Mine Is The Most Important Mineral Property In The Ramey Ridge District. It Is In Showshoe Gulch, On The North Side Of Crooked Creek, About 19 Miles By Rough Single- Lane Road From Big Creek Idaho. Workings Also Extends Into Valley County.

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Tertiary
Lead Tertiary

Comments on the commodity information

  • Concentrates Assayed $200 Au, $18 Ag, 6 - 10% Cu/Ton

Materials information

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

Alteration

  • (Local) Oxidation, Silicification

Analytical data

Result IN 1929, ORE CARRIED $20 TO $50/TON IN AU AND AG. AVERAGE ASSAYS OF HIGH GRADE ORE: 25 TO 40 OZ AU, 15 TO 20 OZ AG/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Ramey Ridge Equivalent-Gneissic Biotite Quartz Diorite;Dikes-Granophyre
    Rock description Ramey Ridge Equivalent-Gneissic Biotite Quartz Diorite;Dikes-Granophyre
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Yellowjacket Formation-Quartzite And Schist
    Rock description Yellowjacket Formation-Quartzite And Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) Challis Volcanic Group.

Economic information

Geologic structures

Type of structure Local
Structure description Numerous Folds And Splits

Ore body information

  • General form LENSES, KIDNEYS
    Strike N 50 DEG W
    Dip 55 DEG NE
    Length 609.6M
    Width 2.44M

Controls for ore emplacement

  • Shear Zone Fracture

Comments on the geologic information

  • Fracture Trends N 45 Deg W, 55 Deg Ne

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1904
Discoverer Jacob And Eric Jensen

Mining district

District name Ramey Ridge District

Land status

Ownership category National Forest
Area name Payette National Forest
Ownership category National Primitive Area
Area name Idaho Primitive Area

Ownership information

  • Type Owner-Operator
    Owner David Creech, Far West Mining Co.

Production statistics

  • Year 1947
    Period 1916-1947
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^Ave. 25-40 Oz. Au/Ton, 15-20 Oz Ag/Ton, Cu, Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Silver Silver 474g/mt
    Major Ore Gold Gold 949g/mt
  • Year 1947
    Period 1916-1947
    Material CU
    Accuracy Accurate
    Description Cp_Grade: ^Assayed $200 Au, $18 Ag/Ton, 6 - 10% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Copper Copper 8wt-pct

Workings at the site

  • Type of workings Underground
    Length 316.99M

Comments on development

  • 16 Lode, 2 Placer Claims; Blacksmith And Assay Shops, 25 Ton - Per - Day Mill

Reference information

Bibliographic references

  • Production

    Cater, F. W., And Others, 1973, USGS Bulletin 1304

  • Deposit

    Cater, F. W., And Others, 1973, Mineral Resources Of The Idaho Primitive Area And Vicinity, Idaho: USGS Bulletin 1304, 431 P.

  • Deposit

    Lorain, S. H., 1938, Gold Mining And Milling In Idaho County: USBM Inf. Circ. 7039, 90 P.

  • Deposit

    WFOC Mineral Property File No. 0160490273

  • Deposit

    Idaho Bur Mines Pamph 44.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1974 Miller, Pat J. U.S. Geological Survey
Reporter 13-OCT-1990 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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

External references