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  3. Mineral Resource Data System (MRDS)

Southern Pacific Property

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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10043543
MRDS ID M100325
Record type Site
Current site name Southern Pacific Property
Alternate or previous names Southern Pacific Property: Occurrences: Bell, Fitgerald and Russel Lease, Garrison, G.H., Gore, King, Lookout, Muller and Mathews Lease

Geographic coordinates

Geographic coordinates: -120.75519, 39.07461 (WGS84)
Location accuracy 1000(meters)
Relative position Assumed Spot Center Se Of Ne, 08

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)

Federal lands

Tahoe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 014N;014N;015N 011E;011E;011E 08;09;09 California

Comments on the location information

  • PREVIOUS QUAD DESIGNATION = COLFAX (1950) 1:625000

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -120.75519, 39.07461
ListMap

Economic information

Comments on the geologic information

  • DEPOSIT OCCURS IN THE EASTERNMOST OF 3 SUB PARALLEL BELTS OF ULTRAMAFIC ROCKS THAT TREND NORTHWARD ACROSS PLACER CO.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1917
Year of last production 1943

Mining district

District name Forest Hill Divide Area

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Henry Kirchmann
    First year 1943
    Last year 1944
  • Type Owner
    Owner Southern Pacific Land Co.
    First year 1944

Production statistics

  • Year 1942
    Material ORE CR
    Accuracy Accurate
    Description Ap_Grade: ^38.75% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Chromium Chromium 39wt-pct

Comments on the workings information

  • WORKINGS CONSISTED OF SEVERAL TRENCHES, SHALLOW PITS AND SHALLOW SHAFTS.

Reference information

Bibliographic references

  • Deposit

    RYNEARSON, G.A., 1953, CDMG BULL 134, PT. 3, CHAPT. 5, P. 202, 223, 224, 312

  • Production

    CDMG BULL 134, PT. 3, CHAPT. 5, P. 224

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.