The Joker Mine is a copper and silver mine located in Fremont county, Colorado at an elevation of 7,598 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 7,598 Feet (2,316 Meters)
Commodity: Copper, Silver
Lat, Long: 38.39722, -105.32417
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Joker Mine MRDS details
Site Name
Primary: Joker Mine
Secondary: Rocky Mountain Boy Claims Patented Claims
Commodity
Primary: Copper
Primary: Silver
Secondary: Zinc
Secondary: Gold
Location
State: Colorado
County: Fremont
District: Grape Creek Area
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Unknown
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Underground
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Colorado Piedmont
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Northern Wet Mountains, Canon City Embayment, Thirtynine Mile Volcanic Field
Type: L
Description: Shaft On Shear Zone; E-W-Trending Fault; Near Webster Park Graben, Ilse Fault
Alterations
Alteration Type: L
Alteration Text: Altered Biotite Gneisses; Kaolinization
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Paleoproterozoic
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleoproterozoic
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: 70 PPM CR, 50 PPM N 1
Analytical Data: CU (0.03-0.53 %), AG (0.2-0.6 OZ/TON), ZN (0.02-0.38 %), PB 0.11%
Materials
Ore: Chalcopyrite
Gangue: Calcite
Gangue: Epidote
Gangue: Quartz
Gangue: Biotite
Gangue: Actinolite
Gangue: Garnet
Gangue: Plagioclase
Gangue: Pyrite
Comments
Comment (Location): 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)
Comment (Workings): 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;
References
Reference (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
Reference (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.
Reference (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.
Colorado Mining Photos
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