| Deposit ID | 10031728 |
|---|---|
| MRDS ID | M011097 |
| Record type | Site |
| Current site name | Berkeley Prospect |
| Related records | 10188996 |
| Geographic coordinates: | -121.12326, 39.26933 (WGS84) |
|---|---|
| Elevation | 610 |
| Relative position | 8 MILES NW OF NEVADA CITY |
Political divisions (FIPS codes)
Nevada(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Nevada City(quadrangle 1:24,000 scale)
Yuba City(quadrangle 1:100,000 scale)
Chico(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Yuba(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(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 | Nevada |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 016N | 008E | 06,07 | California |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Lead | Secondary |
| Zinc Critical | Secondary |
| Silver | Secondary |
| Gold | Secondary |
| Antimony Critical | Tertiary |
| Sulfur | Tertiary |
| Arsenic Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Gold | Ore |
| Pyrite | Ore |
| Silver | Ore |
| Sphalerite | Ore |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Slate |
| (1) | -121.12326, 39.26933 |
|---|
| Thickness | 1.83M |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1904 |
| District name | Rough And Ready |
|---|
| Type | Operator |
|---|---|
| Owner | Ronald Fraser |
| First year | 1953 |
| Type of workings | Underground |
|---|---|
| Area | 194.256HA |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M011097 |
GOODWIN, J.G., 1957 , LEAD AND ZINC IN CALIFORNIA; CA. JOUR. MINES AND GEOLOGY, VOL. 53 , NOS. 3 & 4 ; DIV. OF MINES, P. 575 .
MAC BOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY; 16TH REPT. STATE MIN.; CALIF. MIN. BUR., P. 82
V. 53, NOS. 3 & 4, JULY-OCT., 1957, P. 575
| Subject category | Comment text |
|---|---|
| Deposit | COMPLEX SULFIDE ZONE |
| Deposit | SECONDARY ORE. COMPRISED 480 ACRES. ORE CONTAINS PYRITE, CHALCOPYRITE, CHALCOCITE, SPHALERITE, GOLD, AND SILVER. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1973 | Gere, W. | U.S. Geological Survey | |
| Updater | 01-NOV-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.