The Kate Mine is a silver mine located in Custer county, Colorado at an elevation of 7,976 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: 7,976 Feet (2,431 Meters)
Commodity: Silver
Lat, Long: 38.14472, -105.45306
Map: View on Google Maps
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Kate Mine MRDS details
Site Name
Primary: Kate Mine
Secondary: Silver Bar
Commodity
Primary: Silver
Secondary: Lead
Secondary: Iron
Secondary: Copper
Location
State: Colorado
County: Custer
District: Silver Cliff 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
Type: Underground
Ownership
Not available
Production
Year: 1800
Time Period: Late 1800s
Mined: 9000.000 mt
Material type: silver ore
Description: Cp_Grade: ^10 Oz/Ton Enriched To 100 Oz/Ton
Year: 1935
Material type: AG ORE
Description: Ap_Grade: ^4.79 Oz/Ton Ag, 6.0% Pb, 2.05% Cu, 32% Fe
Year: 1934
Material type: AG ORE
Description: Ap_Grade: ^35 Oz/Ton Ag, 6.5% Pb, .75% Cu, 33.6% Fe, 2.75% S
Year: 1919
Material type: AG ORE
Description: Ap_Grade: ^40 Oz/Ton Ag, 6% Cu, 5% Pb
Year: 1921
Material type: AG ORE
Description: Ap_Grade: ^20 Oz/Ton Ag
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Discovery Year: 1885
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
Not available
Structure
Type: R
Description: Silver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley
Type: L
Description: Silver Cliff Graben, Fault, North-Trending Faults
Alterations
Alteration Type: L
Alteration Text: Weakly Argillized
Rocks
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Pyrite
Ore: Bromyrite
Ore: Cerargyrite
Ore: Galena
Ore: Argentite
Gangue: Barite
Gangue: Fluorite
Comments
Comment (Location): 0.3 MILE NORTH OF CHLORIDE GULCH ; INFO FROM LAND.ST :(1976)
Comment (Commodity): CERARGYRITE OCCURS AS FILMS AND SHOT-LIKE GRAINS
Comment (Workings): SHAFTS, AT LEAST THREE LEVELS, DRIFTS; SILVER BAR MILL USED CYANIDE PROCESS FOR MILLING ORE
Comment (Deposit): Discovery Year: 1880'S
Comment (Deposit): "PAY SEAM" 18 INCHES WIDE, EXTENDING TO 3 FT WIDE
References
Reference (Deposit): 5) KOCH, G.S., JR., 1971, STATISTICAL ANALYSIS OF ASSAY DATA FROM THE ROUND MOUNTAIN SILVER PROSPECT, CUSTER COUNTY, COLORADO: USBM REPORT OF INVESTIGATIONS 7486, 32 P.
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 (Production): EMMONS, S.F., 1896, COLO. DIV. MINES INSPECTION RECORDS
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): EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.
Reference (Deposit): FIELDMAN, D.W. AND CROWLEY, F.P., 1980, SILVER DEPOSITS IN THE SOUTHERN PORTION OF THE SILVER CLIFF CALDERA, IN SILVER CLIFF VOLCANIC CENTER AND TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS GUIDEBOOK, P. 1-14.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
