The Leavenworth Mine is a lead and silver mine located in Custer county, Colorado at an elevation of 9,281 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: 9,281 Feet (2,829 Meters)
Commodity: Lead, Silver
Lat, Long: 38.11, -105.34778
Map: View on Google Maps
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Leavenworth Mine MRDS details
Site Name
Primary: Leavenworth Mine
Secondary: West Leviathan-Stephen-Leavenworth vein
Commodity
Primary: Lead
Primary: Silver
Secondary: Copper
Tertiary: Iron
Location
State: Colorado
County: Custer
District: Rosita Hills District
Land Status
Land ownership: Federal
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: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Year First Production: 1874
Discovery Year: 1874
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
Model Name: Epithermal veins
Orebody
Form: vein
Structure
Type: R
Description: Rosita Volcanic Center, Wet Mtns.
Type: L
Description: Rosita Fault, Other Faults
Alterations
Alteration Type: L
Alteration: Strongly Argillized
Alteration Text: Strongly Argillized
Rocks
Name: Trachyte
Role: Associated
Age Type: Host Rock
Age Young: Oligocene
Name: Trachyte
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Analytical Data
Not available
Materials
Ore: Galena
Ore: Chalcopyrite
Ore: Stephanite
Ore: Silver
Ore: Tetrahedrite
Ore: Pyrite
Gangue: Calcite
Gangue: Clay
Gangue: Barite
Comments
Comment (Location): ON SOUTH SLOPE OF MT. ROBINSON, 3/4 MILE NNW OF ROSITA, IN THE NE/4 SEC.29, T 22 S, R 71 W. INFO FROM LAND.ST :(1976)
Comment (Production): $120,000 PRODUCED IN 1888
Comment (Deposit): PIONEER VEIN 65N15W, ORE NEAR INTERSECTION OF HUMBOLDT-POCAHONTAS AND PIONEER VEINS
Comment (Reserve-Resource): A 1981 report suggested that silver deposits may occur along this NW extension of the Humboldt-Pocahontas vein. (Sunshine files)
Comment (Workings): IN LATER YEARS WORKED IN CONJUNCTION WITH PIONEER VEIN MINES
References
Reference (Reserve-Resource): Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.
Reference (Deposit): CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.
Reference (Deposit): SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.
Reference (Deposit): EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.
Colorado Mining Photos
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