| Deposit ID | 10102855 |
|---|---|
| MRDS ID | M009352 |
| Record type | Site |
| Current site name | Barrett |
| Alternate or previous names | Baretta, Barette, Beaudry |
| Related records | 10236688 |
| Geographic coordinates: | -120.24099, 37.6377 (WGS84) |
|---|
Political divisions (FIPS codes)
Mariposa(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Coulterville(quadrangle 1:24,000 scale)
Oakdale(quadrangle 1:100,000 scale)
San Jose(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Merced(hydrologic unit)
San Joaquin(hydrologic accounting unit)
San Joaquin(hydrologic subregion)
California(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management CA)
Bureau of Land Management CA BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | California | Mariposa |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 003S | 016E | 29,30,32 | California |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Copper | Secondary |
| Zinc Critical | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Malachite | Ore |
| Pyrite | Ore |
| Quartz | Gangue |
| Result | AU .04 OZ/TON, CU 13.32%, ZN 2.0%, FE 28.51%, INSOLUBLE 22.7% |
|---|
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone |
| (1) | -120.24099, 37.6377 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1865 |
| Production years | 1931 - 1932 |
| Type | Operator |
|---|---|
| Owner | Angelo Beaudry And Inez Bouvier |
| Year | 1932 | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE | |||||||||||||||||||||
| Accuracy | Accurate | |||||||||||||||||||||
| Description | Ap_Grade: ^70.7 Oz Au, 16 Oz Ag | |||||||||||||||||||||
| ||||||||||||||||||||||
| Type of workings | Underground |
|---|---|
| Overall depth | 60.96M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M009352 |
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 .
CASTELLO, W. O., 1920 , MARIPOSA COUNTY; 17TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 102 .
BOWEN, O. E. & CLIFFTON, G. H., 1957 (SEE REF.)
| Subject category | Comment text |
|---|---|
| Deposit | BANDED VEIN MATTER COMPOSED OF ALTERNATING BANDS OF CALCITE OR CALCITE AND BARITE AND QUARTZ. |
| 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. |
| Deposit | Discovery Year: 1860'S |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1973 | Gere, W. | U.S. Geological Survey | |
| Updater | 01-JUN-1978 | Fraticelli, L. A. (Albers, J.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.