Marietta

The Marietta is a silver and gold mine located in Clear Creek county, Colorado.

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: Marietta
Secondary: Mary Etta Group (Gold Belt or Golden Belt tunnel, Hamill tunnel, Mary Etta, Silver Plume tunnel and
Secondary: Silverleaf

Commodity

Primary: Silver
Primary: Gold
Secondary: Copper
Secondary: Lead

Location

State: Colorado
County: Clear Creek
District: Argentine District

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:

Physiography

Not available

Mineral Deposit Model

Model Name: Polymetallic veins

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Comment (Commodity): On the basis of sample assays.

Comment (Geology): The Marietta vein strikes NE and dips SE; it is a 6-in. quartz vein in altered granite.

Comment (Location): Adit located on NW side of Ganley Mountain at 11,700 feet elevation, in NE/4 sec. 28, T 4 S, R 75 W, about 3 miles WSW of Silver Plume.

Comment (Names): Marietta lies about 1 mile SSW of the Mary Etta group in the valley of Clear Creek; it is not clear if the Marietta is part of the Mary Etta group.

Comment (Production): Reportedly, 25 tons of ore produced about 1900.

References

Reference (Deposit): Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.

Reference (Deposit): Lovering, T. S., 1935, Geology and ore deposits of the Montezuma quadrangle, Colorado: U.S. Geological Survey Professional Paper 178, 119 p.

Colorado Mining Photos

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.