The Del Monte Prospect is a silver mine located in Custer county, Colorado at an elevation of 8,848 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: 8,848 Feet (2,697 Meters)
Commodity: Silver
Lat, Long: 38.12639, -105.35861
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.
Del Monte Prospect MRDS details
Site Name
Primary: Del Monte Prospect
Secondary: Excelsior Ridge
Commodity
Primary: Silver
Location
State: Colorado
County: Custer
District: Rosita Hills 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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1882
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: Rosita Volcanic Center, Wet Mtns
Type: L
Description: Northeast-Trending Fault
Alterations
Alteration Type: L
Alteration Text: Weak Argillization
Rocks
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Miocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Analytical Data
Not available
Materials
Not available
Comments
Comment (Deposit): STEEPLY DIPPING FRACTURE ZONE, POSSIBLY AN OFFSHOOT OF ALPHA-CORSAIR FAULT
Comment (Location): At south end of Excelsior Ridge, about 2-1/4 miles NW of Rosita, in the SE/4 SE/4 Sec. 18, T 22 S, R 71 W.
Comment (Reserve-Resource): A 1981 report suggested that low-grade, bulk-tonnage silver deposits may occur in this area. (Sunshine files)
Comment (Workings): 100-FT TUNNEL DRIVEN NW
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.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAPS I-1081.
Reference (Deposit): EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
