The Cason Manganese Prospect is a manganese mine located in La Plata county, Colorado at an elevation of 12,598 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: 12,598 Feet (3,840 Meters)
Commodity: Manganese
Lat, Long: 37.59944, -107.58778
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Cason Manganese Prospect MRDS details
Site Name
Primary: Cason Manganese Prospect
Commodity
Primary: Manganese
Location
State: Colorado
County: La Plata
District: Needle Mountain (Tacoma, Florida, Vallecito) District
Land Status
Land ownership: National Forest
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.
Administrative Organization: San Juan N. F.
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Dan Cason And Others
Home Office: Durango, Co.
Years: 1917 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
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: Polymetallic veins
Orebody
Not available
Structure
Type: R
Description: San Juan Uplift, San Juan Basin, San Juan Volcanic Field
Type: L
Description: Needle Mtns Uplift, Chicago Basin Stock, Eolus Batholith, Trimble Stock
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Miocene
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: AVERAGE OF SAMPLES ACROSS VEIN: 33.43% MN, 18.14% SIO2, 6.03% FE, 0.31% S, 0.052%
Materials
Not available
Comments
Comment (Location): (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). ON EAST SLOPE OF HOPE MTN APPROX 0.8 MILE ENE OF COLUMBINE PASS. ELEV AND LAT-LONG GIVEN ARE FOR POINT APPROX MIDWAY UP EAST SLOPE OF HOPE MTN. ; INFO FROM LAND.ST :1974
Comment (Development): FAIR QUALITY ORE COULD BE OBTAINED BY CAREFUL PICKING AND SORTING, BUT WOULD CONTAIN TOO MUCH SILICA
Comment (Deposit): NEAR-VERTICAL VEIN IN GRANITE TRENDS N 35 W, OUTCROPS FOR DISTANCE OF 2200 FT. GRANITE FRAGMENTS COATED WITH MN OXIDES.
References
Reference (Deposit): STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F.
Reference (Deposit): MUILENBURG, G.A., 1919, MANGANESE DEPOSITS OF COLORADO: CGS BULL. 15, P. 49.
Reference (Deposit): SCHMITT, L.J., AND RAYMOND, W.H., 1977, GEOLOGY AND MINERAL DEPOSITS OF THE NEEDLE MOUNTAINS DISTRICT, SOUTHWESTERN COLORADO: USGS BULL. 1434, 40 P.
Colorado Mining Photos
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