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  3. Mineral Resource Data System (MRDS)

Washout Claim

Past Producer in Placer 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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Production statistics
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10043591
MRDS ID M100379
Record type Site
Current site name Washout Claim

Geographic coordinates

Geographic coordinates: -120.78631, 39.03461 (WGS84)
Elevation 997
Location accuracy 1000(meters)
Relative position Assumed Spot Center Ne Of Ne Of Nw, 30

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Foresthill(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(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 Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 014N 011E 30 NE OF NE OF NW California

Comments on the location information

  • LOCATED ON A SPUR WHICH LEADS SE OFF FOREST HILL DIVIDE AND 1/4 MILE NE OF THE OLD PARAGON GOLD MINE.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite

Nearby scientific data

(1) -120.78631, 39.03461
ListMap

Economic information

Ore body information

  • General form LENSE
    Strike N 40 W
    Dip 60 SE TO 90
    Thickness 3M
    Length 38M
    Width 5M

Comments on the geologic information

  • CLM. NEAR NW EDGE OF A NE-SW TRENDING ULTRAMAFIC BODY THAT IS APPROXIMATELY 1.5 BY 5 MILES IN SIZE. THE ULTRAMAFIC BODY IS BORDERED BY TERTIARY VOLCANICS AND PALEOZOIC METAMORPHIC ROCKS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1940
Year of first production 1941
Year of last production 1944

Mining district

District name Forest Hill Divide Area

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Ford, Lower, Myers
    First year 1944
  • Type Owner
    Owner G. S. Ford, J. S. Lower, B. Myers
    First year 1944

Production statistics

  • Year 1944
    Period 1941-1944
    Material ORE CR
    Accuracy Accurate
    Description Cp_Grade: ^Avg. 47.29% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Chromium Chromium 47wt-pct

Comments on the workings information

  • WORKINGS CONSISTED OF A 7.5 M SHAFT, AN OPEN CUT AND A CROSS CUT.

Reference information

Bibliographic references

  • Deposit

    RYNEARSON, G. A., 1953, CDMG BULL 134, PT. 3, CHAPT. 5, P. 227, 228, 313.

  • Deposit

    STINSON, M. C., 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED

  • Production

    CDMG MINERAL PROPERTY REPORT, 1975, UNPUBLISHED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-83 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.