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Joker Mine

Prospect in Fremont county in Colorado, United States with commodities Copper, Silver, Zinc, Gold
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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. 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. Land status
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10087783
MRDS ID D009625
Record type Site
Current site name Joker Mine
Alternate or previous names Rocky Mountain Boy Claims Patented Claims

Geographic coordinates

Geographic coordinates: -105.32474, 38.39723 (WGS84)
Elevation 2316
Relative position 5.7 MILES S 55 W OF CANON CITY POST OFFICE

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Royal Gorge(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 Fremont

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 019S 071W 15 SW Colorado

Comments on the location information

  • SW FROM CANON CITY 4 MILES ON TEMPLE CANYON ROAD, THEN LEFT ONTO JEEP TRAIL FOR 2.5 MILES. THE WORKINGS ARE 400 FT DOWNHILL ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Copper Primary
Silver Primary
Zinc Critical Secondary
Gold Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Actinolite Gangue
Biotite Gangue
Calcite Gangue
Epidote Gangue
Garnet Gangue
Plagioclase Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Altered Biotite Gneisses; Kaolinization

Analytical data

Result CU (0.03-0.53 %), AG (0.2-0.6 OZ/TON), ZN (0.02-0.38 %), PB 0.11%
Result 70 PPM CR, 50 PPM N 1

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Granodiorite
    Rock description Granodiorite

Economic information

Geologic structures

Type of structure Regional
Structure description Northern Wet Mountains, Canon City Embayment, Thirtynine Mile Volcanic Field
Type of structure Local
Structure description Shaft On Shear Zone; E-W-Trending Fault; Near Webster Park Graben, Ilse Fault

Ore body information

  • Strike N 75 E
    Dip 65 SE

Controls for ore emplacement

  • Faults, Fault Intersections; Shear Zones

Economic information about the deposit and operations

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

Mining district

District name Grape Creek Area

Land status

Ownership category Private

Workings at the site

  • Type of workings Unknown
    Length 42.67M
    Overall depth 13.11M

Comments on the workings information

  • 3 SHORT ADITS, INCLINED SHAFT, 2 PROSPECT PITS; ADIT 1 IS 37 FT LONG, STRIKING N 27 W, CAVED AT FACE; ADIT 2 IS 45 FT LONG WITH FLOODED INCLINED WINZE; ADIT 3 CAVED AT PORTAL; SHAFT IS FLOODED 43 FT BELOW COLLAR; PIT 1 IS 5 X 5 X 6 FT DEEP; PIT 2 IS 6 X 5 X 6 FT DEEP;

Reference information

Bibliographic references

  • Deposit

    COKER, R. J., 1982, MINERAL RESOURCES OF THE ARKANSAS CANYON PLANNING UNIT WITH SPECIAL EMPHASIS ON THE FORMER GRAPE CREEK WILDERNESS STUDY AREAS AND THE MCINTYRE HILLS WILDERNESS STUDY AREA: US BLM MINERAL REPORT, P. 71-73

  • Deposit

    TAYLOR, R. B., SCOTT, G. R., WOBUS, R. A., AND EPIS R. C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE ROYAL GORGE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORAD; USGS MAP I-869, 1: 62,500.

  • Deposit

    RAYMOND, W. H. AND SHERIDAN, D. M., 1980, DATA ON SOME STRATABOUND PRECAMBRIAN. DEPOSITS CONTAINING ZINC, COPPER, LEAD, SILVER AND GOLD IN THE ROYAL GORGE 15-MINUTE QUADRANGLE, COLORADO: USGS OFR 80-833, 8 P.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1982 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.