Boss Mine

Past Producer in Nevada county in California, United States with commodities Copper, Gold, Silver
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Workings at the site
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10184434
MRDS ID W024316
MAS/MILS ID 0060570440
Record type Site
Current site name Boss Mine
Related records 10076976, 10212688

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -121.13274, 39.35458 (WGS84)
Elevation 625
Location accuracy 5000(meters)

Site location context

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)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 017 N 008 E 07 California

Commodities

Commodity Importance
Copper Tertiary
Gold Tertiary
Silver Tertiary

Nearby scientific data

Main Entrance (1) -121.13274, 39.35458

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mineral rights holdings

Type of mineral rights Patented

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method COMBINED METHODS
    Percent Waste Rock 5
    1st Condition of Workings UNKNOWN
    Capacity 953
    Capacity Units MT ORE/DAY
    Unit Production Cost 9.05
    Units of Production $/MT ORE
    Operating Days per Year 357
    Operating Shifts per Day 3
    Year of Information 1970

Reference information

Bibliographic references

  • Deposit

    REF 1 CALIF.DIV.MINES, COPPER IN CALIF.,BULL.144, CALIF.DEPT

  • Deposit

    RES.,1948. INCLUDES PLATES OF MINE MAPS AND REFERENCE

  • Deposit

    REF 2 LYMAN MOORE DATA FROM 1970 EVALUATION.

General comments

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

Reporter information

Type Date Name Affiliation Comment
Reporter 04-NOV-1983 Lewis, J.D. U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.