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Two Orphans

Past Producer in Placer county in California, United States with commodities Gold, Copper, Lead, Silver
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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. Ownership information
  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 10007722
MRDS ID C012229
Record type Site
Current site name Two Orphans
Related records 10261229

Geographic coordinates

Geographic coordinates: -121.13047, 38.95378 (WGS84)
Elevation 396
Relative position 1 MI. ENE MT. VERNON COMMUNITY HALL

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gold Hill(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 013N 008E 30 California

Comments on the location information

  • UTM EST. NW1/4

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Lead Secondary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -121.13047, 38.95378
ListMap

Economic information

Ore body information

  • Strike NW
    Dip 54 NE
    Thickness 0.61M

Economic information about the deposit and operations

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

Ownership information

  • Type Owner
    Owner B. A. Fredericks A. Locatelli
    First year 1936

Comments on the production information

  • NO OTHER PRODUCTION RECORD FOUND

Workings at the site

  • Type of workings Underground
    Length 45.72M
    Overall depth 75M

Comments on the workings information

  • SHAFTS, DRIFTS

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. 39 .

  • Deposit

    GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 53 , NOS. 3 AND 4 , P. 593 .

  • Production

    GOODWIN ( 1957 )

General comments

Subject category Comment text
Deposit 21 ACRES ; INFO.SRC : 1 PUB LIT
Deposit VEINS, 14 - 18 IN. THICK

Reporter information

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