Unnamed Prospect

The Unnamed Prospect is a silver, lead, and copper mine located in Archuleta county, Colorado at an elevation of 10,915 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: Unnamed Prospect

State:  Colorado

County:  Archuleta

Elevation: 10,915 Feet (3,327 Meters)

Commodity: Silver, Lead, Copper

Lat, Long: 37.3875, -106.69583

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 Unnamed Prospect

Unnamed Prospect MRDS details

Site Name

Primary: Unnamed Prospect


Commodity

Primary: Silver
Primary: Lead
Primary: Copper


Location

State: Colorado
County: Archuleta
District: Crater 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

Not available


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 Volcanic Field

Type: L
Description: Platoro Caldera, Crater Creek Stock


Alterations

Not available


Rocks

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

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

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

Name: Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Oligocene


Analytical Data

Analytical Data: GRAB SAMPLE OF VEIN MATERIAL BELOW PROSPECT CONTAINED 0.2 OZ/TON AG, 0.02% PB, 0.002% CU. CHIP SAMPLE OF VEIN CONTAINED 1.2 OZ/TON AG, 0.008% CU. RANDOM GRAB SAMPLE FROM OUTCROP ABOVE ADIT CONTAINED 0.6 OZ/TON AG, 0.02% PB, 0.006% CU.


Materials

Not available


Comments

Comment (Deposit): VEIN CONTAINING QUARTZ STRINGERS TRENDS S 57 W, 90 SE.

Comment (Location): (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). ON SW SIDE OF CRATER LAKE ; INFO FROM LAND.ST :1975

Comment (Commodity): SPECIFIC ORE MINERALS UNKNOWN, BUT LINDQUIST CITIES GENERAL OCCURRENCES OF PYRITE, ARGENTIFEROUS GALENA, CHALCOPYRITE, AND PYRRHOTITE IN CRATER LAKE ALTERED AREA.

Comment (Workings): 3-FT ADIT


References

Reference (Deposit): LINDQUIST, A.E., 1977, METALLIC AND COAL RESOURCES, IN MINERAL RESOURCES OF THE CHAMA-SOUTHERN SAN JUAN MOUNTAINS WILDERNESS STUDY AREA, MINERAL, RIO GRANDE, ARCHULETA, AND CONEJOS COUNTIES, COLORADO: USGS OPEN-FILE REPT. 77-309.

Reference (Deposit): LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.


Colorado Mining Photos

Placer mines at Cripple Creek, Colorado ca. 1892

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