Alma Mater

The Alma Mater is a silver mine located in Dolores county, Colorado at an elevation of 9,902 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: Alma Mater  

State:  Colorado

County:  Dolores

Elevation: 9,902 Feet (3,018 Meters)

Commodity: Silver

Lat, Long: 37.6811, -108.03560

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 Alma Mater

Alma Mater MRDS details

Site Name

Primary: Alma Mater
Secondary: San Juan National Forest


Commodity

Primary: Silver


Location

State: Colorado
County: Dolores
District: Pioneer/Rico


Land Status

Land ownership: Mixed
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

Type: Located Claim
Type: Patented


Workings

Not available


Ownership

Owner Name: Rico Development Corp.
Percent: 100.0
Home Office: Colorado
Info Year: 1989


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Underground
Mining Method: Unknown
Years of Production:
Organization:
Significant: N


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: Canyon Lands


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Unknown: Sphalerite
Unknown: Calcite
Unknown: Pyrite


Comments

Comment (Workings): WORKINGS CAVED IN 1989, ABOUT 280,000 CUBIC FEET OF DUMP MATERIAL, SAMPLE #324.


References

Reference (Deposit): REF: TWENTY SECOND ANNUAL REPORT U.S.G.S. 1901

Reference (Deposit): US BUREAU OF MINES OPEN FILE REPORT MLA 2-92.


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.