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Spot Claim

Producer in Plumas 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. Ore body information
  10. Economic information about the deposit and operations
  11. Land status
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10077084
MRDS ID W024511
Record type Site
Current site name Spot Claim
Alternate or previous names Salt Claim
Related records 10286141

Geographic coordinates

Geographic coordinates: -120.99576, 39.86155 (WGS84)
Elevation 1609

Site location context

Political divisions (FIPS codes)

Plumas(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Onion Valley(quadrangle 1:24,000 scale)

Portola(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

East Branch North Fork Feather(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Plumas 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 Plumas

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 023N 009E 17 NW OF NE California

Comments on the location information

  • CLAIM APPROX. 100 YDS. E OF THE JUNCTION OF ROCK CREEK AND FOREST SERVICE ROADS.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result ORE CONTAINED APPROX. 42 % CR203

Nearby scientific data

(1) -120.99576, 39.86155
ListMap

Economic information

Ore body information

  • General form LENSE

Economic information about the deposit and operations

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

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner Patterson And Spivey
    First year 1941
    Last year 1943

Comments on the production information

  • TOTAL PRODUCTION APPROX. 70 LT ORE IN 1941-1943.

Comments on the workings information

  • WORKINGS CONSIST OF A 300 FT LONG BULLDOZER CUT AND SEVERAL SMALL PROSPECT PITS.

Reference information

Bibliographic references

  • Deposit

    RYNEARSON, G.A., 1953, CDMG BULL 134, PT. 3, CHAPT.5P. 295, 296

  • Production

    CDMG BULL 134, PT. 3, CHAPT. 5, P. 295, 296

General comments

Subject category Comment text
Deposit DEPOSIT CONSISTED OF A SERIES OF ELONGATE LENSES STRIKING ALONG A LINE N30W. THE LARGEST ORE BODY STRIKES N40W,DIPS 80NE, IS 25 FT LONG AND HAS AN AVG. THICKNESS OF 2 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1982 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.