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Leavenworth Mine

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

Geologic information

Identification information

Deposit ID 10012435
MRDS ID D008064
Record type Site
Current site name Leavenworth Mine
Alternate or previous names West Leviathan-Stephen-Leavenworth vein

Geographic coordinates

Point of reference Pit
Geographic coordinates: -105.34835, 38.11001 (WGS84)
Elevation 2829
Location accuracy 50(meters)
Relative position 1.0 MILE N32W FROM ROSITA, CO.

Site location context

Political divisions (FIPS codes)

Custer(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rosita(quadrangle 1:24,000 scale)

Canon City(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Geographic areas

Country State County
United States Colorado Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 022S 071W 29 SW OF NW OF NE Colorado

Comments on the location information

  • ON SOUTH SLOPE OF MT. ROBINSON, 3/4 MILE NNW OF ROSITA, IN THE NE/4 SEC.29, T 22 S, R 71 W. INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Silver Primary
Lead Primary
Copper Secondary
Iron Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Silver Ore
Stephanite Ore
Tetrahedrite Ore
Barite Gangue
Calcite Gangue
Clay Gangue

Alteration

  • (Local) Strongly Argillized

Mineral occurrence model information

Model code 82
USGS model code 22
Deposit model name Epithermal veins

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Trachyte
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Rosita Andesite;Game Ridge Trachyte
    Rock description Rosita Andesite;Game Ridge Trachyte
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

Pit (1) -105.34835, 38.11001
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Rosita Volcanic Center, Wet Mtns.
Type of structure Local
Structure description Rosita Fault, Other Faults

Ore body information

  • General form vein
    Strike N75W
    Dip 45-60SW
    Thickness 121.92M
    Length 60.96M
    Width 0.3M

Controls for ore emplacement

  • On Humboldt-Pocahontas Vein/Fracture System; Mineralized Fissures

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1874
Year of first production 1874

Mining district

District name Rosita Hills District

Land status

Ownership category Federal

Comments on the production information

  • $120,000 PRODUCED IN 1888

Comments on the reserve resource information

  • A 1981 report suggested that silver deposits may occur along this NW extension of the Humboldt-Pocahontas vein. (Sunshine files)

Workings at the site

  • Type of workings Underground
    Length 182.88M
    Overall depth 121.92M

Comments on the workings information

  • IN LATER YEARS WORKED IN CONJUNCTION WITH PIONEER VEIN MINES

Reference information

Bibliographic references

  • Deposit

    CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.

  • Deposit

    EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.

  • Deposit

    SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.

  • Reserve-Resource

    Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.

General comments

Subject category Comment text
Deposit PIONEER VEIN 65N15W, ORE NEAR INTERSECTION OF HUMBOLDT-POCAHONTAS AND PIONEER VEINS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-81 Collins, Donna B. Colorado Geological Survey
Updater 05-APR-06 Beach, Richard A. Colorado Geological Survey

Beyond USGS

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

Maps centered on this site

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.