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Judy Mine

Past Producer in Del Norte county in California, United States with commodities Chromium, Platinum, Palladium, Iridium, Ruthenium, Rhodium
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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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Ownership information
  19. Production statistics
  20. Workings at the site
  21. Links to other databases
  22. Bibliographic references
  23. General comments
  24. Reporter information

Geologic information

Identification information

Deposit ID 10103913
MRDS ID M100588
Record type Site
Current site name Judy Mine
Alternate or previous names Hicks Mine, Victory No. 2

Geographic coordinates

Geographic coordinates: -123.98227, 41.92676 (WGS84)
Elevation 832
Location accuracy 100(meters)
Relative position ABOUT 6 MI NORTHEAST OF GASQUET AND 5 MI SOUTH OF OREGON BORDER, Acc For Pge Sample Collection Site, Acc For Pge Sample Collection Site, Acc For Pge Sample Collection Site

Site location context

Political divisions (FIPS codes)

Del Norte(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

High Plateau Mountain(quadrangle 1:24,000 scale)

Happy Camp(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Smith(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Six Rivers 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 Del Norte

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 018N 002E 29 California

Comments on the location information

  • UNUSRVEYED. IN SIX RIVERS NATIONAL FOREST. MINE IS 1.5 MI WEST OF HIGH PLATEAU MINE ON A SPUR HEADING SOUTHWEST OF LOW PLATEAU. UTM LOCATION GIVEN IS FOR PGE SAMPLE COLLECTION SITE. LAT/LONG GIVEN IS FOR SHAFT SYMBOL LABELED JUDY MINE ON TOPO MAP; UTM FOR THIS IS 4642040N, 418830E.

Commodities

Commodity Importance
Chromium Critical Primary
Platinum Critical Tertiary
Palladium Critical Tertiary
Iridium Critical Tertiary
Ruthenium Critical Tertiary
Rhodium Critical Tertiary

Comments on the commodity information

  • CHROMITE IS COARSE GRAINED

Materials information

Materials Type of material
Chromite Ore
Olivine Gangue

Alteration

  • (Local) Ultramafic Rocks Intensely Serpentinized In Shear Zones

Analytical data

Result 1 PGE ANALYSIS: PT=59 PPB
Result PD=10 PPB
Result IR=250 PPB
Result RU=410 PPB
Result RH=39 PPB. CR:FE=2.7:1

Mineral occurrence model information

Model code 15
USGS model code 8a
Deposit model name Podiform chromite (minor)
Mark3 model number none

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Harzburgite
    Rock unit name Josephine Ophiolite
    Rock description Josephine Ophiolite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite

Nearby scientific data

(1) -123.98227, 41.92676
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description A Fault, Striking N45w And Dipping 64sw, Cuts Ore At Depth Of 8 M

Ore body information

  • General form MASSIVE AND DISSEMINATED, CIGAR-SHAPED LENS
    Strike N5E
    Dip 45W
    Thickness 1M
    Length 23M
    Width 2M

Controls for ore emplacement

  • Magmatic Segregation

Comments on the geologic information

  • PERIDOTITE RELATIVELY FRESH WHERE NOT SHEARED

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1941
Discoverer Murphy Hicks
Year of first production 1942
Year of last production 1956

Mining district

District name High Plateau Area

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner R. I. Hicks
  • Type Owner
    Owner Brown, Hughes, And Bird, 409 Ne Sixth St., Grants Pass, Or 97526

Production statistics

  • Year 1943
    Period 1942-1943
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^42.7-45.2% Cr2o3, Cr:Fe=2.74-2.92
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Ore Chromium Chromium 44wt-pct
  • Year 1954
    Period 1953-1954
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^45.6% Cr203, Cr:Fe=2.7:1
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Ore Chromium Chromium 46wt-pct
  • Year 1956
    Period 1955-1956
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^45.6% Cr2o3, Cr:Fe=2.7:1
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Ore Chromium Chromium 46wt-pct

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 24.38M

Comments on the workings information

  • 20 DEG. INCLINED SHAFT AND UNKNOWN AMOUNT OF DRIFTS AND STOPES. SEVERAL THOUSAND SQ FT SCRAPED BY BULLDOZER. GROUND IS BROKEN BY FAULTING AND IS HARD TO SUPPORT.

Comments on development

  • IDLE IN 1951

Reference information

Bibliographic references

  • Deposit

    STINSON, M.C., 1975, CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL PROPERTY REPORT, UNPUB.

  • Deposit

    WELLS, F.G., CATER, F.W., JR., AND RYNEARSON, G.A., 1946, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 134, PT. 1, CH. 1, P. 36-38.

  • Deposit

    CARLSON, C.A., AND OTHERS, 1985, ANALYSES FOR PLATINUM-GROUP ELEMENTS IN SAMPLES FROM PODIFORM CHROMITE DEPOSITS, CALIFORNIA AND OREGON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-442, 14 P.

  • Deposit

    O'BRIEN, J.C., 1952, MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 48, NO. 4, P. 273-289.

  • Production

    STINSON, 1975

General comments

Subject category Comment text
Deposit RECORD M007523 HAS BEEN MERGED AND DELETED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-80 Oster, Karel L. (Albers, John P.) U.S. Geological Survey
Updater 01-FEB-90 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

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.