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Little Hope and Mary Jane Claims

Past Producer in Butte 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. Ownership information
  15. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10028482
MRDS ID M005468
Record type Site
Current site name Little Hope and Mary Jane Claims
Related records 10138591

Geographic coordinates

Geographic coordinates: -121.44494, 39.79626 (WGS84)

Site location context

Political divisions (FIPS codes)

Butte(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pulga(quadrangle 1:24,000 scale)

Chico(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

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 Butte

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 022N;023N 005E;006E 05;31 NW (05); NW (31) California

Comments on the location information

  • LAT. AND LONG. ARE FOR THE WORKINGS IN SECT. 05; WORKINGS OF THIS DEPOSIT ARE EAST OF THE OROVILLE-QUINCY HIGH WAY, A LITTLE NORTH OF THE BRIDGE OVER THE N. FORK OF THE FEATHER RIVER.

Commodities

Commodity Importance
Chromium Critical Primary

Comments on the commodity information

  • TWO LOTS AVERAGED, FROM THE LITTLE HOPE CLAIM.

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Serpentinized Dunite

Analytical data

Result 36.83 % CR2O3
Result 12.78 % FE
Result CR TO FE RATIO 1.97 - 1

Host and associated rocks

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

Nearby scientific data

(1) -121.44494, 39.79626
ListMap

Economic information

Ore body information

  • General form POD
    Strike N80E
    Dip SE
    Width 4.57M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Big Bar Mountain Area

Ownership information

  • Type Owner-Operator
    Owner J. H. Brassell
    Home office Pluga, Ca.

Production statistics

  • Year 1944
    Period 1942-1944
    Material ORE CR
    Accuracy Accurate
    Description Cp_Grade: ^6 Lots Avg. 41.15 % Cr2o3, 11.18 % Fe, Cr To Fe 2.52: 1
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 11wt-pct
    Cr2O3 Chromium Chromium 41wt-pct
  • Year 1944
    Period 1942-1944
    Material ORE CR
    Accuracy Accurate
    Description Cp_Grade: ^2 Lots Avg. 36.83 % Cr2o3, 12.78 % Fe, Cr To Fe 1.97: 1
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Iron Iron 13wt-pct
    Cr2O3 Chromium Chromium 37wt-pct

Comments on the production information

  • 1ST CUMULATIVE PROD. FROM LITTLE HOPE CLM.; 2ND FROM LITTLE HOPE AND MARY JANE CLMS.

Workings at the site

  • Type of workings Surface
    Overall length 7.62M
    Overall width 4.57M

Comments on the workings information

  • WORKINGS CONSIST OF AN OPEN CUT WITH ABOVE DIMENSIONS, A 15 FT DRIFT IN THE FACE OF THE CUT AND A SMALL PIT.

Reference information

Bibliographic references

  • Deposit

    CALIF. DIV. OF MINES B. 134 III, CHAPTER 5 (1953) P. 276

  • Deposit

    SOUTHERN PACIFIC CO., MINERALS FOR INDUSTRY, NORTHERN CALIF., V. 2, P. 21

  • Production

    CDMG BULL 134, PT. 3, CHAPT. 5, P. 276

General comments

Subject category Comment text
Deposit DEPOSIT MAY BE IN A LANDSLIDE BLOCK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-JAN-1983 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.