Railroad Mine

Past Producer in Washington county in Idaho, United States with commodities Copper, Silver, Gold, Bismuth
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. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10070239
MRDS ID W013003
MAS/MILS ID 0160870009
Record type Site
Current site name Railroad Mine
Alternate or previous names Held Mine

Geographic coordinates

Geographic coordinates: -116.79222, 44.7631 (WGS84)
Elevation 1829
Relative position 1 MI. SOUTHWEST OF CUDDY MOUNTAIN, ABOUT 14 MI NW OF CAMBRIDGE

Site location context

Political divisions (FIPS codes)

Washington(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cuddy Mountain(quadrangle 1:24,000 scale)

McCall(quadrangle 1:100,000 scale)

Baker City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brownlee Reservoir(hydrologic unit)

Middle Snake-Powder(hydrologic accounting unit)

Middle 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)

Geographic areas

Country State County
United States Idaho Washington

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 017N 004W 35 C SW Idaho

Comments on the location information

  • LOCATED 3 MILES N.E. OF BROWNLEE RANGER STATION.

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary
Bismuth Critical Secondary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Actinolite Gangue
Bismuth Gangue
Epidote Gangue
Pyrite Gangue
Quartz Gangue
Tremolite Gangue

Alteration

  • (Local) Pyritization

Analytical data

Result SULFIDES GAVE UP TO 20 % CU
Result SOME CARBONATE SAMPLES GAVE 40 % CU
Result SOME SELECTED BISMUTH SAMPLES SHOWED 1000 OZ AG/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Eocene
  • Host or associated Host
    Rock type Metamorphic Rock > Skarn (Tactite)
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Cuddy Mountain Limestone
    Rock description Cuddy Mountain Limestone

Nearby scientific data

(1) -116.79222, 44.7631

Economic information

Geologic structures

Type of structure Local
Structure description Domes And Folds; Faults And Steeply Tilted Beds

Ore body information

  • General form IRREGULAR PODS, CHIMNEYS
    Width 30.48M

Controls for ore emplacement

  • Fracture Fillings; Contact Of Limestone And Quartz Porphyry.

Comments on the geologic information

  • CUDDY MOUNTAIN LIMESTONE IS MASSIVE GRAY TO WHITE CHARACTERIZED BY FINE GRAINED TO APHANITIC TEXTURE.

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 Cuddy Mountain (Heath) District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category National Forest
Area name Payette National Forest
Ownership category Private

Ownership information

  • Type Operator
    Owner Peacock, Dr. S.
    First year 1906

Workings at the site

  • Type of workings Underground
    Length 54.86M

Comments on the workings information

  • THERE ARE 2 SHORT CROSS - CUT TUNNELS.

Comments on development

  • ECON.COM: ORE IS COARSE IN TEXTURE AND IRREGULAR IN FORM.

Reference information

Bibliographic references

  • Deposit

    BELL, R. N., 1904, REPORT OF THE MINING DISTRICTS OF IDAHO FOR THE YEAR 1903, P. 139 - 140.

  • Deposit

    LIVINGSTON, D. C., 1925, RECON. OF MINERAL AND CUDDY MOUNTAIN DISTRICTS: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 13, P. 15 - 16.

  • Deposit

    FANKHAUSER, R. E., 1969, GEOLOGY AND MINERALIZATION OF THE SOUTHERN CUDDY MOUNTAINS, WASHINGTON COUNTY, IDAHO: CORVALLIS, OREGON STATE UNIV., MS THESIS, 138 P.

  • Deposit

    BRUCE, W. R., 1971, GEOLOGY, MINERAL DEPOSITS, AND ALTERATION OF PARTS OF THE CUDDY MTN. DIST., WESTERN IDAHO: CORVALLIS, OREGON STATE UNIV., PH.D. THESIS, 165 P.

  • Deposit

    5) BELL, R.N., 1907 , EIGHTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1906 , 172 P.

  • Deposit

    1904 COMPILE ANN. REPT. OF IDAHO MINING INDUSTRY FOR 1903

  • Deposit

    1907 COMPILE ANN. REPT. OF IDAHO MINING INDUSTRY FOR 1906

  • Deposit

    1925 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 13

  • Deposit

    SEVENTH ANNUAL REPORT MINING INDUSTRY OF IDAHO PG.139-142

  • Deposit

    EIGHTH ANNUAL REPORT MINING INDUSTRY OF IDAHO.PG 168-172

  • Deposit

    NINTH ANNUAL REPORT MINING INDUSTRY OF IDAHO PG 207- 210

General comments

Subject category Comment text
Deposit SEVEN DEVILS VOLCANICS ARE UNDIFFERENTIATED KERATOPHYRES, META - ANDESITES, VOLCANICLASTIC ROCKS, CHERTS, AND LIMESTONE LENSES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1976 Nakai, Terry L.; Miller, Pat U.S. Geological Survey
Reporter 10-SEP-1992 Winters, Dick U.S. Bureau of Mines

Beyond USGS

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