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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Pillikin Mine Area 10

Prospect in El Dorado county in California, United States with commodity Chromium
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10097316
MRDS ID M700423
Record type Site
Current site name Pillikin Mine Area 10

Geographic coordinates

Geographic coordinates: -121.09186, 38.77656 (WGS84)
Relative position APPROX. 5.5 AIRLINE MI SW OF PILOT HILL

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pilot Hill(quadrangle 1:24,000 scale)

Sacramento(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North 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 011N 008E 28 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite

Nearby scientific data

(1) -121.09186, 38.77656
ListMap

Economic information

Ore body information

  • General form STREAKS, STRINGERS
    Strike N 25 W
    Dip 75 E
    Thickness 30.48M
    Length 365.76M
    Width 121.92M

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Flagstaff Hill Area

Land status

Ownership category Private

Comments on the workings information

  • WORKINGS CONSIST OF A FEW SMALL PITS.

Reference information

Bibliographic references

  • Deposit

    CDMG BULL 134, P. 146.

  • Deposit

    USGS BULL 922-0, P. 456.

General comments

Subject category Comment text
Deposit STRIKE AND DIP OF HIGH-GRADE STREAKS GIVEN ABOVE.
Deposit ALTHOUGH WORKINGS REVEAL GOOD ORE, THE GRADE IS TOO LOW AND THE OREBODIES ARE TOO SMALL FOR PROFITABLE MINING. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1980 Oster, Karel L. (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.