The Bonita Claims is a vanadium and uranium mine located in Saguache county, Colorado at an elevation of 8,960 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: 8,960 Feet (2,731 Meters)
Commodity: Vanadium, Uranium
Lat, Long: 38.40361, -106.16083
Map: View on Google Maps
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Bonita Claims MRDS details
Site Name
Primary: Bonita Claims
Commodity
Primary: Vanadium
Primary: Uranium
Location
State: Colorado
County: Saguache
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.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Year: 1958
Time Period: 1955-1958
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Year First Production: 1955
Year Last Production: 1958
Discovery Year: 1954
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
Form: tabular
Structure
Type: R
Description: Sawatch Range, Bonanza Volcanic Field, Rio Grande Rift
Type: L
Structure: ENE trending fault
Description: Bonanza Caldera
Alterations
Alteration Type: L
Alteration: Strong Sericitization And Kaolinitization; Iron Oxides
Alteration Text: Strong Sericitization And Kaolinitization; Iron Oxides
Rocks
Name: Latite
Role: Host
Description: Tuffs related to Bonanza Caldera or Marshall Pass Caldera
Age Type: Host Rock
Age Young: Eocene
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: CHEMICAL ASSAYS RANGE FROM 0.026 TO 0.526% U308. ORE GRADE WAS 0.144% U308.
Analytical Data: BACKGROUND RADIOACTIVITY 0.08 TO 0.10 MR/HR, RANGE 0.2 TO 1.0 MR/HR. RADIOMETRIC ASSAYS RANGE FROM 0.008 TO 0.35% U308
Materials
Gangue: Pyrite
Gangue: Hematite
Comments
Comment (Workings): ONE TUNNEL HEADING NW; 375 FT TOTAL UNDERGROUND WORK
Comment (Location): CLAIMS LIE ALONG PONCHA CR. IN UNSURVEYED SEC. 23 ; INFO FROM LAND.ST :(1976)
Comment (Geology): POSSIBLE CALDERA RADIAL FAULT TRENDS APPROX N 42 W
References
Reference (Production): NELSON-MOORE AND OTHERS, 1978, P. 389
Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 389
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
