Skylark Mine

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

Geologic information

Identification information

Deposit ID 10071080
MRDS ID W014290
MAS/MILS ID 0160370280
Record type Site
Current site name Skylark Mine
Alternate or previous names Shamrock, Silver Wing

Geographic coordinates

Geographic coordinates: -114.36562, 44.41489 (WGS84)
Elevation 2499
Relative position 9 MI SW OF CHALLIS

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bayhorse(quadrangle 1:24,000 scale)

White Cloud Peaks(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper 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 013N 018E 32 NE Idaho

Commodities

Commodity Importance
Silver Primary
Copper Tertiary
Gold Tertiary
Lead Tertiary

Materials information

Materials Type of material
Siderite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Ramshorn Slates
    Rock description Ramshorn Slates
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician

Nearby scientific data

(1) -114.36562, 44.41489

Economic information

Ore body information

  • General form TABULAR
    Strike NW
    Dip 17 DEG W
    Width 0.51M

Controls for ore emplacement

  • Bedding - Veins Follow Bedding Of Slates; Fissure

Economic information about the deposit and operations

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

Mining district

District name Bayhorse District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Comments on the production information

  • 1885 - 1902 Production Value $2,700,000, 1886 Production Value $186,727.

Workings at the site

  • Type of workings Underground
    Length 7620M

Comments on the workings information

  • 16 Tunnels

Comments on development

  • 10 Claims

Reference information

Bibliographic references

  • Deposit

    Umpleby, J. B., 1913, Some Ore Deposits In Northwestern Custer County, Idaho: USGS Bulletin 539, 104 P.

  • Deposit

    Ross, C. P., 1937, Geology And Ore Deposits Of The Bayhorse Region, Custer County, Idaho: USGS Bulletin 877, 161 P.

  • Deposit

    Bell, R. N., 1935, The Gold Resources Of Idaho: Mining And Contracting Review, V. 37, No. 33, P. 6 - 7.

  • Deposit

    1913 Geolmap Umpleby, J. B., Bulletin 539

  • Deposit

    1937 Geolmap Ross, C. P., Bulletin 877

  • Production

    Item 8 , Umpleby, J.B., 1913 , USGS Bulletin 539 , P. 66 ; Items 1 - 3 , Ross, C.P., 1937 , USGS Bulletin 877 , P. 123

  • Deposit

    Jacobs, Martin H 1902 Report Of The Mining Districts Of Idaho The Year 1901 P 25

General comments

Subject category Comment text
Deposit Vein Parallel To Ramshorn Mine Vein

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 06-NOV-1992 Horn, Michael C. U.S. Bureau of Mines

Beyond USGS

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

External references