Unnamed Prospects

The Unnamed Prospects is a silver, molybdenum, bismuth, and gold mine located in Saguache county, Colorado at an elevation of 11,959 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: 11,959 Feet (3,645 Meters)

Commodity: Silver, Molybdenum, Bismuth, Gold

Lat, Long: 37.99139, -106.94611

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: Silver
Primary: Molybdenum
Primary: Bismuth
Primary: Gold


Location

State: Colorado
County: Saguache
District: Bondholder 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.


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
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, La Garita Caldera

Type: L
Description: La Garita Caldera, San Luis Caldera


Alterations

Not available


Rocks

Name: Quartz Latite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene

Name: Quartz Latite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene

Name: Quartz Latite
Role: Associated
Age Type: Host Rock Unit
Age Young: Oligocene

Name: Quartz Latite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene


Analytical Data

Analytical Data: NO. 36, 5, 2, 0.2, 0.5, 500, LT 0.5, 1000, LT 5, 10, 10, LT 5, 50, 300, 100, LT 200, 200, TR AU, 0.10 OZ/TON AG. PROSPECT DUMP SAMPLES
Analytical Data: STEVEN AND BIENIEWSKI RAN SEMIQUANTITATIVE SPECTROGRAPHIC ANALYSES ON GRAB AND CHIP SAMPLES FROM VARIOUS DUMPS IN MINE AREA. EACH SET OF VALUES IS SAMPLE NUMBER, % FE, % MG, % CA, % TI, PPM MN, PPM AG, PPM BA, PPM CO, PPM CR, PPM CU, PPM MO, PPM NI, PPM PB, PPM SR, PPM V, PPM ZN, PPM ZR, AND VARIOUS FIRE ASSAYS FOR BASE AND PRECIOUS AND OTHER METALS (LT=LESS THAN, TR=TRACE): NO. 35, 5, 0.5, 0.1, 0.3, 70, 1, 1000, 5, 10, 20, 100, 5, 100, LT 100, 100, LT 200, 150, TR AU, 0.30 OZ/TON AG, LT 0.002% BI, 0.009% MO


Materials

Not available


Comments

Comment (Deposit): IRREGULARLY SILICIFIED VEINS CONTAIN ERRATIC LOW-GRADE QUARTZ-PYRITE OR QUARTZ-SULFIDE MINERALIZATION. NO PERSISTENT MINERALIZING STRUCTURAL ZONE.

Comment (Workings): TWO PROSPECT PITS

Comment (Location): ELEVATION APPROXIMATED FROM STEVEN AND BIENIEWSKI'S MAPS. PROSPECT LIES ON TOP OF NW-PROJECTING RIDGE 0.9 MILE NW OF SAN LUIS PEAK IN UNSURVEYED SECTION ; INFO FROM LAND.ST :1976


References

Reference (Deposit): STEVEN, T.A., AND BIENIEWSKI, C.L., 1977, MINERAL RESOURCES OF THE LA GARITA WILDERNESS, SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS BULL. 1420, ANALYSES 35 AND 36


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.