Mugwump

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

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: 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.