Matchless Prospect

The Matchless Prospect is a silver mine located in Custer county, Colorado at an elevation of 9,039 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

Name: Matchless Prospect

State:  Colorado

County:  Custer

Elevation: 9,039 Feet (2,755 Meters)

Commodity: Silver

Lat, Long: 38.10944, -105.35167

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.


Satelite image of the Matchless Prospect

Matchless Prospect MRDS details

Site Name

Primary: Matchless Prospect


Commodity

Primary: Silver


Location

State: Colorado
County: Custer
District: Rosita Hills District


Land Status

Land ownership: Federal
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: Producer
Deposit Type: Vein
Operation Type: Underground
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

Not available


Orebody

Not available


Structure

Type: R
Description: Rosita Volcanic Center, Wet Mtns

Type: L
Description: Rosita Fault; Humboldt-Pocahontas Vein; Many Mineralized Fissures


Alterations

Alteration Type: L
Alteration Text: Strong Argillization


Rocks

Name: Andesite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene

Name: Andesite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene

Name: Andesite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene


Analytical Data

Not available


Materials

Not available


Comments

Comment (Reserve-Resource): A 1981 report suggested that low-grade, bulk-tonnage silver deposits may occur along the silver King-Matchless vein and south of the Leavenworth-Humboldt-Pocahontas vein. (Sunshine files)

Comment (Deposit): Discovery Year: 1870-1895

Comment (Location): AT HEAD OF LEAVENWORTH GULCH ON SW SLOPE OF MT ROBINSON, IN THE N/2 SEC.29, T 22 S, R 71 W; INFO FROM LAND.ST :(1976)


References

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): CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.

Reference (Reserve-Resource): Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.


Colorado Mining Photos

Placer mines at Cripple Creek, Colorado ca. 1892

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.