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Quinn, Green-Walter, Good Friday Cornvcopia

Past Producer in Placer county in California, United States with commodities Gold, 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. Mining district
  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 10007697
MRDS ID C012160
Record type Site
Current site name Quinn, Green-Walter, Good Friday Cornvcopia
Alternate or previous names Alamath Shaft
Related records 10261782

Geographic coordinates

Geographic coordinates: -121.12242, 38.90406 (WGS84)
Elevation 317
Relative position 1/2 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 07,08,17 California

Comments on the location information

  • UTM EST S 1/2 , NW 1/4 , SE 1/4 , 7 AND S 1/2 , SW 1/4 8 , N 1/2 , NW 1/4 17 .

Commodities

Commodity Importance
Gold Primary
Copper Secondary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -121.12242, 38.90406
ListMap

Economic information

Ore body information

  • 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

Workings at the site

  • Type of workings Underground
    Overall depth 35.05M

Comments on the workings information

  • SHAFT(S)

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    LINDGREN, W., 1894 , THE GOLD-SILVER VEINS OF OPHIR, CALIFORNIA: 14TH ANNUAL REPORT OF THE UNITED STATES GEOLOGICAL SURVEY, PART 2 , P. 269 , PL. 17 .

General comments

Subject category Comment text
Deposit VEIN 6 IN. 3 FT. THICK
Deposit PATENTED-INCLUDES SEVERAL CLAIMS ON NW - TRENDING VEIN-SYSTEM WHICH INCLUDES THE GREEN MINE. ; 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.