Unnamed Prospects

The Unnamed Prospects is a lead, silver, and zinc mine located in Hinsdale county, Colorado at an elevation of 12,300 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

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.

Site Name

Primary: Unnamed Prospects

Commodity

Primary: Lead
Primary: Silver
Primary: Zinc
Secondary: Copper

Location

State: Colorado
County: Hinsdale
District: Emerald Lake Area

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
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 Uplift, San Juan Volcanic Field, San Juan Basin

Type: L
Description: Unnamed Anticline, Unnamed Fault

Alterations

Not available

Rocks

Name: Schist
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Schist
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Analytical Data

Analytical Data: SAMPLE FROM 1-FT ZONE OF ALTERED SCHIST AND SULFIDE STREAK CONTAINED 0.88 OZ/TON AG, 2.64% PB, 0.22% ZN. SAMPLE FROM OTHER 4 FT OF ALTERED ZONE CONTAINED 0.50 OZ/TON AG, 0.08 % CU, 0.12% ZN. 5-FT ZONE AVERAGES ABOUT 0.6 OZ/TON AG.

Materials

Ore: Pyrite
Ore: Sphalerite
Ore: Galena
Ore: Chalcopyrite
Gangue: Hematite

Comments

Comment (Location): (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). CLAIM BLOCK LOCATED IN SEC. 16, BUT STEVEN AND OTHERS (1969) EXAMINED PROSPECT ONE MILE WEST OF NORTH END OF LAKE ON NORTH SIDE OF RIDGE. LOCATION UNCERTAIN BUT APPROXIMATED IN N2 SEC. 18. ; INFO FROM LAND.ST :1974

Comment (Deposit): ADIT FOLLOWS 5-FT-WIDE ZONE OF SOFT, ALTERED SCHIST TRENDING S 68 E, 67 SW. IN CENTER OF ZONE IS IRREGULAR DIKELIKE ZONE CONTAINING 1-INCH VEINLET OF SULFIDES. DEPOSIT APPEARS TO BE DISSEMINATED SULFIDE CHARACTERISTIC OF METAVOLCANICS IN IRVING FM.

Comment (Workings): ONE CAVED TUNNEL OF UNKNOWN LENGTH

References

Reference (Deposit): STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F, P. 111-112

Colorado Mining Photos

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