1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Empire Mines Co.

Past Producer in Nevada county in California, United States with commodities Gold, Copper, Lead, Zinc, Silver
Map
XML
JSON
KML
B
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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10101254
MRDS ID C011247
Record type Site
Current site name Empire Mines Co.

Geographic coordinates

Geographic coordinates: -121.04603, 39.20545 (WGS84)
Elevation 792
Relative position 1 MI SE GRASS VALLEY

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grass Valley(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)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 016N 008E 02,06,27,34,35 California

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Lead Secondary
Zinc Critical Secondary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase

Nearby scientific data

(1) -121.04603, 39.20545
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fissures Ne Portion Of Vein Sys. Cut By Nw Trending Fault Zone. Diabase Intrudes Granodiorite

Ore body information

  • General form PINCH & SWELL, IRREGULAR
    Strike N
    Dip 35 - 55 W
    Thickness 2.44M
    Depth to top 0M

Comments on the geologic information

  • WALL ROCK BRECCIATED

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No

Comments on the production information

  • SULFIDES VARIED FROM $60 - $200/TON. MOST PRODUCTIVE FROM 2700 - 4600 FT. LEVELS. 100,000 - 1,000,000 LBS. CU PRODUCED. FOR ANNUAL PRODUCTION FIGURES FROM 1854 - 1878 , SEE MACBOYLE ( 1918 ).

Workings at the site

  • Type of workings Underground
    Length 48279M
    Overall depth 2286M

Comments on the workings information

  • INCLINES, SHAFTS, WINZES, STOPES, DRIFTS CROSSCUTS; EXTENSIVE HONEYCOMBED WORKINGS

Reference information

Bibliographic references

  • Deposit

    LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 , P. 393 , 450 .

  • Deposit

    MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 154 - 162 .

  • Deposit

    LOGAN, C. A., 1930 , SACRAMENTO FIELD DIVISION: REPORT XXVI OF THE STATE MINERALOGIST: CALIFORNIA DIVISION OF MINES VOL. 26 , NO. 2 , P. 105 - 108 .

  • Deposit

    ERIC, J. C., 1948 , TABULATION OF COPPER DEPOSITS IN CALIFORNIA IN COPPER IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 144 , P. 277 .

  • Production

    MACBOYLE ( 1918 ) LOGAN ( 1930 ) ERIC ( 1948 )

General comments

Subject category Comment text
Deposit VEINS, AVG. 1 - 8 FT THICK W/2 - 3 % SULFIDES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Bowman, J. And Albers, J. U.S. Geological Survey HOST ROCK AND ASSOCIATED ROCK CLEANED UP.
Updater 02-OCT-1991 Mosier, Dan U.S. Geological Survey PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Editor 27-APR-1995 Mosier, Dan U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site

Authoritative California resources

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