Pacific Quartz

Past Producer in El Dorado county in California, United States with commodities 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. 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 10007059
MRDS ID C008127
Record type Site
Current site name Pacific Quartz
Related records 10211728

Geographic coordinates

Geographic coordinates: -120.80741, 38.72629 (WGS84)
Relative position S PART OF PLACERVILLE

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Placerville(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 010N 011E 07,18 California

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Silver Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -120.80741, 38.72629

Economic information

Ore body information

  • Strike N 25 W
    Dip 70 NE
    Depth to top 0M

Comments on the geologic information

  • VEIN IN TALC & MARIPOSITE ZONE IN SLATE W OF MOTHER LODE SERPENTINE BODIES ARE NEARBY. A NUMBER OF ORE SHOOTS ARE SEVERAL HUNDRED FT WIDE & UP TO 12 FT THICK.

Economic information about the deposit and operations

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

Comments on the production information

  • ORE YIELDED $6 - $18/TON

Workings at the site

  • Type of workings Underground
    Area 5.281HA

Comments on the workings information

  • 700 FT. SHAFT W 1365 FT WINZE

Reference information

Comments on the other database information

  • RECORD NUMBER 353 IS A POTENTIAL DUPLICATE OF THIS RECORD

Bibliographic references

  • Deposit

    CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL 52 , NO. 4 , PG 422 , 524

  • Production

    CLARK & CARLSON, 1956

General comments

Subject category Comment text
Deposit VEIN
Deposit OWNED BY PLACERVILLE GOLD MINING CO - CLARK & CARLSON, 1956 ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-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.

Authoritative California resources

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