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  3. Mineral Resource Data System (MRDS)

Green Mine

Past Producer in Placer county in California, United States with commodity Gold
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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. Mining district
  13. Production statistics
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10007699
MRDS ID C012166
Record type Site
Current site name Green Mine
Related records 10261552

Geographic coordinates

Geographic coordinates: -121.1127, 38.90156 (WGS84)
Elevation 351
Relative position 3/4 MI. NE OPHIR

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Auburn(quadrangle 1:24,000 scale)

Sacramento(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 012N 008E 08 California

Comments on the location information

  • UTM ACC. S 1/2 , SW 1/4

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -121.1127, 38.90156
ListMap

Economic information

Ore body information

  • Strike NW
    Dip 45 - 70 S
    Thickness 0.91M

Economic information about the deposit and operations

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

Mining district

District name Ophir

Production statistics

  • Year 1871
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 15163g/mt

Comments on the production information

  • NO OTHER PRODUCTION RECORD FOUND

Workings at the site

  • Type of workings Underground
    Overall depth 91.44M

Comments on the workings information

  • SHAFT

Reference information

Bibliographic references

  • Deposit

    LOGAN, C. A., 1936 , GOLD MINES OF PLACER COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32 , NO. 1 , P. 25 , 45 .

  • Deposit

    WARING, CLARENCE A., 1917 , PLACER COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, PL. FACING P. 318 , P. 341 .

  • Production

    LOGAN ( 1936 )

General comments

Subject category Comment text
Deposit VEIN, 6 IN. - 3 FT. THICK
Deposit PATENTED ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1979 Nelson, Scott C. (Albers, John, P.) 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.

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.