| Deposit ID | 10184434 |
|---|---|
| MRDS ID | W024316 |
| MAS/MILS ID | 0060570440 |
| Record type | Site |
| Current site name | Boss Mine |
| Related records | 10076976, 10212688 |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -121.13274, 39.35458 (WGS84) |
| Elevation | 625 |
| Location accuracy | 5000(meters) |
Political divisions (FIPS codes)
Nevada(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
French Corral(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)
| Country | State | County |
|---|---|---|
| United States | California | Nevada |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 017 N | 008 E | 07 | California |
| Commodity | Importance |
|---|---|
| Copper | Tertiary |
| Gold | Tertiary |
| Silver | Tertiary |
| Main Entrance (1) | -121.13274, 39.35458 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| 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 | 0060570440 | |
| USGS | Mineral Resources Data System | MRDS | W024316 | MAS references MRDS |
REF 1 CALIF.DIV.MINES, COPPER IN CALIF.,BULL.144, CALIF.DEPT
RES.,1948. INCLUDES PLATES OF MINE MAPS AND REFERENCE
REF 2 LYMAN MOORE DATA FROM 1970 EVALUATION.
| Subject category | Comment text |
|---|---|
| Deposit | PRELIMINARY COMMENT. AFTER 2 YEARS OF PREPRODUCTION THIS MIN OPERATE FOR 8 YEARS. ORE WILL BE FED INTO THE BOSS MI PROVIDING IT WITH 92.5% OF ITS TOTAL FEED CAPACITY. O MINES FEEDING THE MILL ARE DAIRYFARM(ID 060610020) AN SPENCEVILLE(ID 060570948). ALL CAPITAL COSTS FOR MILL TO BOSS PROPERTY. SPENCEVILLE TO FEED MILL FIRST 4 YR DAIRY FARM SECOND 4 YR. ALL MINES COSTED FROM 50% PRO REC 120 BASE YEAR 1970 USED FOR COSTING MINE (1970 DOLLAR VA MINE CAPITAL COSTS TOTAL 10,103,900 ACQ 30,000 EXPLOR 2,160,000 DEVEL 2,821,500 EQUIP 2,079,300 PLANT 2,054,500 WORK.CAP. 958,600 MINE OPERATING COSTS 9.046/MT REC 151 BASE YEAR 1970 USED FOR COSTING MILL (1970 DOLLAR VA MILL CAPITAL COSTS TOTAL 5,394,100 PLANT & EQUIP 5,172,100 WORK.CAP. 222,000 MILL OPERATING COST 2.097/MT COMMODITIES 1,2,3 UNDER PRODUCT DESCRIPTION ARE WEIG AVERAGES OF THE COMBINED FEED GRADE FOR 3 MINES,8 PAR 5 PARTS SPENCE, 3 PARTS DAIRYFARM. EACH PART EQUAL 1 PRO. FEED GRADE RECOV.IN BENE.PROD COM 1. 1.65% CUS 90% W/ CONC GRADE 25% CU COM 2 1.05 G/MT AU 91% W/ CONC GRADE .0016% AU COM 3 92.4 G/MT AG 90% W/ CONC GRADE .14% AG BOX 62 REFERS TO ALL BENE PRODUCTS FROM 3 MINES FEEDI EST. PLANT CAPAC. IS SUM OF 3 MINES |
| 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.