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  3. Mineral Resource Data System (MRDS)

Empire

Past Producer in Sierra county in California, United States with commodities Gold, Lead, Copper
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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. Ore body information
  11. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10086589
MRDS ID X025568
Record type Site
Current site name Empire
Alternate or previous names Gold Valley
Related records 10262221

Geographic coordinates

Geographic coordinates: -120.70492, 39.64905 (WGS84)
Elevation 1829
Relative position 7 3/4 MI. NNW OF SIERRA CITY

Site location context

Political divisions (FIPS codes)

Sierra(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gold Lake(quadrangle 1:24,000 scale)

Portola(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

Tahoe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Sierra

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 021N 011E 26,25 California

Comments on the location information

  • UTM ACC. SE 1/4 26

Commodities

Commodity Importance
Gold Primary
Lead Tertiary
Copper Tertiary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result UP TO 10 PERCENT LOW GRADE SULFIDES

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)

Nearby scientific data

(1) -120.70492, 39.64905
ListMap

Economic information

Ore body information

  • Strike N 65 E
    Dip 50 SE
    Thickness 3.05M

Comments on the geologic information

  • HEAVY DIKE STRIKING E. CUTS & FAULTS THE VEIN TO W DIABASE? NUMEROUS QTZ. STRINGERS INTO HANGING WALL SIDE.

Economic information about the deposit and operations

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

Comments on the production information

  • NO OTHER PRODUCTION RECORD FOUND.

Workings at the site

  • Type of workings Underground
    Area 42.089HA
    Overall depth 63.7M

Comments on the workings information

  • MAIN ADIT 700 FT. LONG. WINZE, & RAISE.

Reference information

Bibliographic references

  • Deposit

    AVERILL, C. V., 1942 , MINES AND MINERAL RESOURCES OF SIERRA CO.: CDM CALIF. JOUR. MINES AND GEOL., VOL. 38 , NO. 1 , P. 54 .

  • Deposit

    LOGAN, C. A., 1929 , SIERRA CO.: CDMM 25TH REPORT STATE MINERALOGIST, APRIL, P. 163 , 176 .

  • Deposit

    CRAWFORD, J. J., 1894 , SIERRA CO.: CSMB 12TH REPORT STATE MINERALOGIST, P. 265 , SKETCH MAP P. 265 .

  • Production

    LOGAN, 1929

General comments

Subject category Comment text
Deposit VEIN, ORE SHOOTS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Hayden, F. (Albers, J.) 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.