Powhattan Prospect

Prospect in Custer county in Colorado, United States with commodity Silver
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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10012204
MRDS ID D007679
Record type Site
Current site name Powhattan Prospect

Geographic coordinates

Point of reference Approximate
Geographic coordinates: -105.35501, 38.11945 (WGS84)
Elevation 2911
Relative position 1.8 MILES N35W 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 20 NW OF NW SW Colorado

Comments on the location information

  • WEST END OF ROBINSON PLATEAU ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Silver Primary

Alteration

  • (Local) Weak Argillization

Mineral occurrence model information

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

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Trachyandesite
    Rock unit name Bunker Trachyandesite;Game Ridge Trachyte
    Rock description Bunker Trachyandesite;Game Ridge Trachyte
    Stratigraphic age (youngest) Oligocene

Nearby scientific data

Approximate (1) -105.35501, 38.11945

Economic information

Geologic structures

Type of structure Regional
Structure description Rosita Volcanic Center, Wet Mtns
Type of structure Local
Structure description Small Faults, Intersecting

Controls for ore emplacement

  • Near Intersection Of Small Faults And Trachyte Dike

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Rosita

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Overall depth 289.56M

Comments on the workings information

  • TUNNEL AND CROSSCUT AS OF 1927.

Reference information

Bibliographic references

  • Deposit

    SIEMS, P.L., 1967, VOLCANIC AND ECONOMIC GEOLOGY OF THE ROSITA HILLS AND SILVER CLIFF DISTRICTS, CUSTER COUNTY, COLORADO: COLORADO SCHOOL MINES, D. SC. THESIS, T1042, 222 P.

  • Deposit

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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1981 Collins, Donna B. Colorado Geological Survey
Updater 01-DEC-1981 Collins, Donna B. U.S. Geological Survey

Beyond USGS

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

Authoritative Colorado resources

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