The Barrett is a gold mine located in Mariposa 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
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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.
Barrett MRDS details
Site Name
Primary: Barrett
Secondary: Baretta
Secondary: Barette
Secondary: Beaudry
Commodity
Primary: Gold
Secondary: Copper
Secondary: Zinc
Location
State: California
County: Mariposa
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Angelo Beaudry And Inez Bouvier
Production
Year: 1932
Material type: ORE
Description: Ap_Grade: ^70.7 Oz Au, 16 Oz Ag
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1865
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: AU .04 OZ/TON, CU 13.32%, ZN 2.0%, FE 28.51%, INSOLUBLE 22.7%
Materials
Ore: Chalcopyrite
Ore: Malachite
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Deposit): Discovery Year: 1860'S
Comment (Geology): GEOL.DESC: WALL ROCKS CHIEFLY META - AUGITE ANDESITE GREENSTONE ALTHOUGH CHERT HAS BEEN DESCRIBED IN WORKINGS, NONE FOUND. GREENSTONE PART OF PENON BLANCO MEMBER OF UPPER JURASSIC AMADOR GROUP. RHYTHMICALLY BANDED CHERT AND ASSOCIATED SEDIMENTARY ROCKS OF HUNTER VALLEY CHERT MEMBER OF AMADOR GROUP EXPOSED ALONG ROAD SOUTH OF MINE, STRIKES N 40 W, 63 NE, ASSUMED GREENSTONE TRENDS IN SAME DIRECTION.
Comment (Deposit): THREE PATENTED CLAIMS, THE WILDCAT, MOUNTAINEER AND NEW YEAR AND A RECTANGULAR PIECE OF LAND KNOWN AS BERETTAS ENCLOSURE WHICH INCLUDES MOST OF THE OLD BARRETT AND BEAUDRY CLAIMS. HAS PRODUCED POCKET GOLD ORE AND GOLD ORE OF MILLING GRADE AS WELL AS HIGH-GRADE, OXIDIZED AND SULFIDE COPPER ORES. SOME MASSIVE SULFIDE ORE SHOWING SOME MALACHITE ON THE DUMPS OF THE WILDCAT CLAIM IN 1954.
Comment (Production): HAS PRODUCED POCKET GOLD ORE AND GOLD ORE OF MILLING GRADE AS WELL AS HIGH - GRADE, OXIDIZED AND SULFIDE COPPER ORES. $90,000 IN GOLD REALIZED FROM MINE UP TO 1907 .
Comment (Deposit): BANDED VEIN MATTER COMPOSED OF ALTERNATING BANDS OF CALCITE OR CALCITE AND BARITE AND QUARTZ.
Comment (Workings): SHAFT 200 FT. DEEP, IN 1920 AND ADIT DRIVEN NE TO INTERSECT NW TRENDING ORE ZONE
References
Reference (Deposit): BOWEN, O. E. AND CLIFFTON, G. H., 1957 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY, CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 1 & 2 , P. 62 - 63 .
Reference (Deposit): CASTELLO, W. O., 1920 , MARIPOSA COUNTY; 17TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 102 .
Reference (Production): BOWEN, O. E. & CLIFFTON, G. H., 1957 (SEE REF.)
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.
