The Minnesota Development Gp. is a gold mine located in Sierra county, California at an elevation of 4,324 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
Elevation: 4,324 Feet (1,318 Meters)
Commodity: Gold
Lat, Long: 39.4575, -120.82250
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.
Minnesota Development Gp. MRDS details
Site Name
Primary: Minnesota Development Gp.
Commodity
Primary: Gold
Location
State: California
County: Sierra
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Form: PINCH & SWELL
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Quartz
Comments
Comment (Production): NO OTHER PRODUCTION RECORD FOUND.
Comment (Deposit): VEINS
Comment (Workings): 200 FT. ADIT, 50 FT. WINZE
Comment (Geology): SEVERAL PARALLEL VEINS FOLLOWING INTRUSION OF FT. WALL SERPENTINE. SLATE HANGING WALL & SOMETIMES BOTH WALLS. 2 - 10 FT. THICK. ON BOTH SIDES GOUGE, GRAPHITIC CLAY, TALC SLATE CASINGS.
References
Reference (Deposit): AVERILL, C. V., 1942 , MINES AND MINERAL RESOURCES OF SIERRA CO.: CDM CALIF. JOUR. MINES AND GEOL., VOL. 38 , NO. 1 , P. 60 .
Reference (Deposit): LOGAN, C. A., 1929 , SIERRA CO.: CDMM 25TH REPORT STATE MINERALOGIST, APRIL, P. 179 .
Reference (Production): CRAWFORD, 1896
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.
