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Nebraska Shaft

Past Producer in Custer county in Colorado, United States with commodities Silver, 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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10101719
MRDS ID D007853
Record type Site
Current site name Nebraska Shaft

Geographic coordinates

Geographic coordinates: -105.33474, 38.11195 (WGS84)
Elevation 2804
Relative position 0.95 MILE N 10 E 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)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 022S 071W 28 NW OF NE OF NW Colorado

Comments on the location information

  • ABOVE POVERTY GULCH SOUTH OF DUTCH FLAT ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Silver Primary
Iron Tertiary

Materials information

Materials Type of material
Argentite Ore
Pyrite Ore
Barite Gangue

Alteration

  • (Local) No Significant Alteration

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

Nearby scientific data

(1) -105.33474, 38.11195
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Rosita Volcanic Center, Wet Mtns
Type of structure Local
Structure description Twenty-Six Fault Runs East-West

Controls for ore emplacement

  • Trachyte Contact Nearby

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 Rosita

Land status

Ownership category Private

Comments on the workings information

  • SHAFT OF UNKNOWN DIMENSIONS

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

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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1981 Collins, Donna B. 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.