The Mugwump is a gold mine located in Sierra county, California at an elevation of 6,499 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: 6,499 Feet (1,981 Meters)
Commodity: Gold
Lat, Long: 39.4725, -120.86028
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.
Mugwump MRDS details
Site Name
Primary: Mugwump
Secondary: Young America
Secondary: Diamond Peak
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
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Slate
Role: Host
Age Type: Host Rock
Age Young: Late Permian
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Quartz
Comments
Comment (Deposit): VEIN
Comment (Commodity): AU ASSOC. WITH COARSE ARSENOPYRITE
Comment (Geology): VEIN WITH BOTH WALLS TUFFACEOUS SLATE, MAY BE DISPLACED 100 FT. BY A NORTHERLY FAULT, THOUGH IT MAY BE DISPLACED TO THE N ON A REVERSE FAULT. IN S PART OF TUNNEL FOOTWALL IS BLACK CONGLOMERATIC SLATE & THE HANNING WALL A DENSE GREEN SUPPORTEDLY ALTERED TUFF. 1 INCH - 3 FT. THICK WITH GOUGE. AT S END OF QUARTZ STRIKE CHANGES, DIP FLATTENS, QTZ. REACHES MAX. THICKNESS - 4 FT. IN UPPER LEVEL THE TUFFS OR EFFUSIVES ARE ALTERED TO WHITE CLAY, BUT DARK SLATES ARE EASILY RECONGONIZABLE. SURFACE GRAY CLAY RETAINS SCHISTOSIE STRUCTURE.
Comment (Deposit): PURCHASED IN 1893 FOR $13500 . ; INFO.SRC : 1 PUB LIT
Comment (Production): MAJOR PRODUCTION BEFORE 1893 . TAILINGS DUMP REPORTED TO CONTAIN 50,000 - 60,000 TONS $1.50 - $2.50/TON
Comment (Workings): 3000 FT. ADIT WITH 1300 FT. DRIFTS. SEVERAL LEVELS.
References
Reference (Deposit): FERGUSON, H. G., & GANNETT, R. W., 1932 , GOLD QTZ. VEINS OF THE ALLEGHANY DISTRICT, CALIF.; USGS PROF. PAPER 172 , P .
Reference (Deposit): MACBOYLE, E., 1920 , MINES AND MINERAL RESOURCES SIERRA CO.: CSMB 16TH REPORT STATE MINERALOGIST, DEC. 1918 , P. 133 - 134 .
Reference (Production): MACBOYLE, 1920
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.
