The Standard Mine is a chromium mine located in Nevada county, California at an elevation of 2,260 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.
Elevation: 2,260 Feet (689 Meters)
Primary Mineral: Chromium
Lat, Long: 39.23778, -121.07833
Map: View on Google Maps
Standard Mine MRDS details
Primary: Standard Mine
District: Nevada City - Grass Valley Area
Land ownership: Private
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 indicate a claim status and does not necessarily indicate an area is open to prospecting.
Owner Name: Hennessy (Estate)
Years: 1941 -
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Comment (Production): IT WAS REPORTED THAT ABOUT 30 LONG TONS OF LOW-GRADE ORE WAS MINED DURING WWI.
Reference (Deposit): D.O.M. BULL. 134, PT. III, CHAP. 5, P. 243, PL. 13