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.
Primary Mineral: Silver, Gold
Lat, Long: 39.6775, -105.78167
Map: View on Google Maps
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.
Marietta MRDS details
Secondary: Mary Etta Group (Gold Belt or Golden Belt tunnel, Hamill tunnel, Mary Etta, Silver Plume tunnel and
County: Clear Creek
District: Argentine District
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Mineral Deposit Model
Model Name: Polymetallic veins
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.
Reference (Deposit): Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.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.