Malvina

The Malvina is a gold mine located in Mariposa county, California at an elevation of 1,949 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

Name: Malvina  

State:  California

County:  Mariposa

Elevation: 1,949 Feet (594 Meters)

Commodity: Gold

Lat, Long: 37.69806, -120.20250

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 Malvina

Malvina MRDS details

Site Name

Primary: Malvina


Commodity

Primary: Gold
Secondary: Silver
Secondary: Lead
Secondary: Copper


Location

State: California
County: Mariposa
District: Coulterville


Land Status

Not available


Holdings

Not available


Workings

Type: Surface


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: M


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

Not available


Analytical Data

Not available


Materials

Ore: Gold
Gangue: Quartz
Gangue: Ankerite


Comments

Comment (Location): UTM EST. ; INFO FROM LAND.ST :UNDETERMINED

Comment (Production): NO PRODUCTION SINCE 1942 . TOTAL PRODUCTION PROBABLY IN EXCESS OF $1,000,000 , TOTAL RECORDED PRODUCTION $867,000 .

Comment (Deposit): VEIN, AVG. 10 FT. THICK

Comment (Workings): TWO SHAFTS. MAIN SHAFT HAS FIVE LEVELS. MOST ORE STOPED ABOVE 600 FT. LEVEL.

Comment (Geology): GEOL.DESC: LOGAN ( 1935 ) MENTIONS A STRIP OF GREENSTONE ON THE HANGING WALL SIDE. THE VEIN HAS FORMED A FEW HUNDRED FEET FROM THE CONTACT BETWEEN MARIPOSA FM AND PYROXENE ANDESITE GREENSTONE OF THE PENON BLANCO MEMBER OF THE AMADOR GROUP. THE MARIPOSA SLATE OCCUPIES A SYNCLINAL TROUGH FAULTED OFF ON THE NORTHEAST BY THE MAIN BRANCH OF THE MOTHER LODE THRUST. WEST OF THE MALVINA VEIN & N OF THE PATSOI CLAIM ARE CONGLOMERATIC BEDS NEAR THE BASE OF THE MARIPOSA FM CONTAINING QUARTZ AND SLATE PEBBLES. MARIPOSA IS IN GRADATIONAL CONTACT WITH THE AMADOR GREENSTONES.


References

Reference (Deposit): BOWEN, O. E., JR., GRAY, C. H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , P. 122 - 126 , 280 .

Reference (Deposit): CASTELLO, W. O., 1921 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY IN SEVENTEENTH REPORT OF THE STATE GEOLOGIST: CALIFORNIA STATE MINING BUREAU, P. 123 .

Reference (Deposit): LAIZURE, C. MCK., 1928 , SAN FRANCISCO FIELD DIVISION IN TWENTY-FOURTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU. P. 97 .

Reference (Deposit): LOGAN, C. A., 1935 , THE MOTHER LODE BELT OF CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 108 , P. 183 - 184 .

Reference (Deposit): 5) AUBURY, L. E., 1904 , REGISTER OF MINES AND MINERALS, MARIPOSA COUNTY CALIFORNIA: CALIFORNIA STATE MINING BUREAU, P. 12 .

Reference (Production): BOWEN & GRAY, 1957


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: Where to Find Gold in California.