The Blackjack Group is a manganese mine located in Chaffee county, Colorado at an elevation of 8,999 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: 8,999 Feet (2,743 Meters)
Commodity: Manganese
Lat, Long: 38.6175, -105.94611
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.
Blackjack Group MRDS details
Site Name
Primary: Blackjack Group
Commodity
Primary: Manganese
Secondary: Iron
Location
State: Colorado
County: Chaffee
District: Calumet District (Turret District)
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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1933
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Southern Mosquito Range
Type: L
Description: N-S-Trending Fault, Pleasant Valley Syncline
Alterations
Alteration Type: L
Alteration Text: Oxidation
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Mississippian
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Limonite
Ore: Pyrolusite
Ore: Siderite
Comments
Comment (Location): NEAR TURRET ROAD, ABOUT 1 MILE SOUTH OF CALUMET MINE, SOUTH OF CAL UMET MOUNTAIN, SE OF RAILROAD GULCH, NEAR IRON KING MINE ; INFO FROM LAND.ST :1976
References
Reference (Deposit): OSBORN, E.F. AND RAINWATER, E.H., 1934, GEOLOGY OF THE CALUMET, COL ORADO MINING DISTRICT: ILLINOIS NORTHWESTERN UNIVERSITY UNPUBLISHED MA STER OF ARTS THESIS, P. 132-133
Reference (Deposit): SCOTT, G.R., TAYLOR, R.B., EPIS, R.C. AND WOBUS, R.A., 1978, GEOLOG IC MAP OF THE PUEBLO 10 X 20 QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-1022 1:250,000
Reference (Deposit): BEHRE, C.H., JR., OSBORN, E.F., RAINWATER, E.H., 1936, CONTACT ORE DEPOSITION AT THE CALUMET IRON MINE, COLORADO: ECONOMIC GEOLOGY, V. 31 , NO. 8, P. 804.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.