The Dora Belle Tunnels is a silver and lead mine located in Mineral county, Colorado at an elevation of 10,249 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: 10,249 Feet (3,124 Meters)
Commodity: Silver, Lead
Lat, Long: 37.87083, -106.91333
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.
Dora Belle Tunnels MRDS details
Site Name
Primary: Dora Belle Tunnels
Commodity
Primary: Silver
Primary: Lead
Secondary: Manganese
Location
State: Colorado
County: Mineral
District: Creede 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: Surface
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
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
Not available
Orebody
Not available
Structure
Type: R
Description: San Juan Volcanic Field; La Garita, Creede, And Bachelor Calderas
Type: L
Description: Small Area Of Complex Fracturing, Possibly A Southeastward Extension Of Solomon-Holy Moses Fault Zone But More Likely Related To Similar Set Of Fractures That Diagonally Terminates South End Of S-Hm Zone
Alterations
Not available
Rocks
Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene
Analytical Data
Analytical Data: MN ORE REPORTEDLY CARRIED 9 % PB
Materials
Not available
Comments
Comment (Location): S-T-R, LAT-LONG, AND ELEY DETERMINED FROM EMMONS AND LARSEN'S (1923) TOPO MAP (1:24,000). MINE OR CLAIM LIES ON WEST SIDE OF MAMMOTH MTN ABOVE E. WILLOW CR. 600 FT SOUTH OF EUNICE MINE ; INFO FROM LAND.ST :(1976)
Comment (Development): TWO TUNNELS INTENDED TO CUT HOMESTAKE OR PARALLEL VEIN TO SOUTH
Comment (Commodity): POSSIBLY AG AND PB-BEARING MN OXIDES
Comment (Deposit): NORTH TUNNEL CUT MANGANIFEROUS GOUGE ZONE STRIKING E-W, DIPPING 55 S. SOUTH TUNNEL HIT LIGHT-COLORED GOUGE IN FRACTURE TRENDING N 80 W, 85 SW
Comment (Workings): TWO TUNNELS AT SAME ELEV. ABOUT 55 FT APART ARE DRIVEN 250 AND 275 FT
References
Reference (Deposit): STEVEN, T.A., AND RATTE, J.C., 1965, GEOLOGY AND STRUCTURAL CONTROL OF ORE DEPOSITION IN THE CREEDE DISTRICT, SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 487, 90 P.
Reference (Deposit): LINDEMANN, J.W., AND OTHERS, EDS., 1981, FIELD TRIP NOTES, CREEDE MINING DISTRICT, SAN JUAN VOLCANIC PROVINCE, COLORADO: DENVER REGIONAL EXPLORATION GEOLOGISTS SOC. GUIDEBOOK
Reference (Deposit): EMMONS, W.H., AND LARSEN, E.S. 1923, GEOLOGY AND ORE DEPOSITS OF THE CREEDE DISTRICT, COLORADO: USGS BULL. 718, 198 P.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
