| Deposit ID | 10285606 |
|---|---|
| MRDS ID | M012051 |
| MAS/MILS ID | 0060610020 |
| Record type | Site |
| Current site name | Dairy Farm |
| Alternate or previous names | Vantrent, Trent |
| Related records | 10032007 |
| Point of reference | Trench |
|---|---|
| Geographic coordinates: | -121.28914, 39.03069 (WGS84) |
| Elevation | 91 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Placer(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Camp Far West(quadrangle 1:24,000 scale)
Yuba City(quadrangle 1:100,000 scale)
Chico(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Bear(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Placer |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 014 N | 006 E | 27 | NESWSE | California |
| Commodity | Importance |
|---|---|
| Copper | Tertiary |
| Gold | Tertiary |
| Silver | Tertiary |
| Trench (1) | -121.28914, 39.03069 |
|---|
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | No |
| Type of mineral rights | Patented |
|---|
| Type of workings | Underground | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060610020 | |
| USGS | Mineral Resources Data System | MRDS | M012051 | MAS references MRDS |
REF 1 CALIF.DIV.MINES, COPPER IN CALIF.,BULL.144, CALIF.DEP
RES, 1948. INCLUDES PLATES OF MINE MAPS AND REFERENCE
SVCE V 14,NO 3,P 3;USBM MIN YB V 3,1960,P 195
REF 2 LYMAN MOORE DATA FROM 1970 EVALUATION.
| Subject category | Comment text |
|---|---|
| Deposit | PRELIMINARY STATEMENT. AFTER 2 YEARS OF PREPRODUCTION THIS M WILL OPERATE 3 YEARS. ORE WILL BE HAULED 48 KM TO BOS (ID 060570440).MINE WILL OPERATE DURING LAST 3 YEARS OPERATION. THIS MINE WILL USE PLANT AND EQUIPMENT FRO SPENCEVILLE MINE(ID 060570948). THE COSTS BELOW REFLE ADDITIONAL INVESTMENT TO MINING OPERATION. ALL CAPITA COSTS WERE ATTRIBUTED TO BOSS PROPERTY. MINE COSTED O OF 50% PROB ORE RESERVES. REC 030 LOCATION DATA FROM MILS SYSTEM. REC 120 BASE YEAR 1970 USED FOR COSTING MINE (1970 DOLLAR VA MINE CAPITAL COSTS TOTAL 759,000 ACQ 30,000 EXPLOR 101,000 DEVEL 628,800 EQUIP 0 PLANT 0 WORK,CAP. 0 MINE OPERATING COSTS 14.900/MT REC 151 MILL CAPITAL COST ATTRIBUTED TO BOSS PROPERTY (ID060 BOXES FLAGGED .0001 OR .00001 NOTE THAT THIS MILL WA COSTED. REFER TO BOSS MILL COSTING. REC 140 ORE TRUCKED 48KM TO BOSS MILL FOR CONCENTRATING. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 04-NOV-1983 | Lewis, J.D. | U.S. Bureau of Mines |
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.