Unnamed Prospects

The Unnamed Prospects is a lead and zinc mine located in Saguache county, Colorado at an elevation of 8,829 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 Prospects  

State:  Colorado

County:  Saguache

Elevation: 8,829 Feet (2,691 Meters)

Commodity: Lead, Zinc

Lat, Long: 37.93639, -106.31083

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 Prospects

Unnamed Prospects MRDS details

Site Name

Primary: Unnamed Prospects


Commodity

Primary: Lead
Primary: Zinc
Tertiary: Molybdenum


Location

State: Colorado
County: Saguache
District: Crystal Hill District


Land Status

Land ownership: BLM Administrative Area
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
Operation Type: Unknown
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, Rio Grande Rift

Type: L
Description: Biedell-Klondike Fault, Esperanza Fault Zone, Biedell Stock


Alterations

Alteration Type: L
Alteration Text: Argillization


Rocks

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

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

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

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


Analytical Data

Analytical Data: OSTERWALD'S SEMIQUANTITATIVE SPECTROSCOPIC ANALYSES OF ROCK SAMPLES SHOWED FOLLOWING ANOMALOUS CONCENTRATION OF PB, ZN, CU, AG, AND/OR MO: 5000 TO 1000 PPM ZN, 3000 TO 6999 PPM PB, 20 TO 59 PPM MO


Materials

Not available


Comments

Comment (Deposit): IN ARGILLIZED RHYODACITE ALONG POSSIBLE OBSCURED EXTENSION OF NORMAL FAULT PARALLEL TO BUT ANTITHETIC TO BIEDELL-KLONDIKE FAULT

Comment (Location): ON LOW RIDGE WEST OF BIEDELL CREEK SW OF CRYSTAL HILL ; INFO FROM LAND.ST :1977

Comment (Workings): SEVERAL PROSPECT PITS


References

Reference (Deposit): OSTERWALD, E.J., 1977, THE BIEDELL AND SANDERSON VOLCANIC CENTERS, SAGUACHE COUNTY, COLORADO: COLORADO STATE UNIV. M.S. THESIS, 145 P


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.