Mariposa

The Mariposa is a gold mine located in Sierra county, California.

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

Name: Mariposa  

State:  California

County:  Sierra

Elevation:

Commodity: Gold

Lat, Long: 39.46417, -120.83444

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.


Satelite image of the Mariposa

Mariposa MRDS details

Site Name

Primary: Mariposa


Commodity

Primary: Gold


Location

State: California
County: Sierra


Land Status

Not available


Holdings

Not available


Workings

Type: 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: Gabbro
Role: Associated
Age Type: Host Rock
Age Young: Late Permian


Analytical Data

Not available


Materials

Ore: Gold
Gangue: Quartz


Comments

Comment (Deposit): VEIN

Comment (Location): UTM ACC. NE 1/4 03

Comment (Production): IDLE SINCE ABOUT 1902 . TOTAL PRODUCTION, W. ECLIPSE MINE, EST. TO BE $118,000 DOLLARS.

Comment (Workings): SEVERAL ADITS DRIFTS ON THE SAME VEIN.

Comment (Geology): FISSURE VEIN FROM 18 IN. TO 2 FT. THICK. SERPENTINE FOOTWALL, SCHIST HANGING WALL. ADJOINS ECLIPSE MINE. AMPHIBOLITE SCHIST CUT ON EACH SIDE OF THE VEIN BY IRREGULAR DIKES OF SERPENTINE. SOUTHERN CONTINUATION OF OPHIR VEIN. VEIN WELL DEFINED BUT IN S PART OF ADIT HAS NUMEROUS SML. BRANCHES. A SML. W DIPPING VEIN E OF ADIT AGREES IN PROJECTION W. FAULT ON 2100 LEVEL OF SIXTEEN TO ONE MINE.

Comment (Deposit): AROUND 1918 INCLUDED ECLIPSE CLAIM, WHICH SEE. OWNED IN 1925 BY OPHIR MINING CO. ; INFO.SRC : 1 PUB LIT


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 (Deposit): MACBOYLE, E., 1920 , MINES AND MINERAL RESOURCES SIERRA CO.: CSMB 16TH REPORT STATE MINERALOGIST, DEC. 1918 , P. 101 .

Reference (Production): FERGUSON AND GANNETT, 1932


California Gold

Where to Find Gold in California

"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 at Where to Find Gold in California.