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  3. Mineral Resource Data System (MRDS)

Judy Mine

Past Producer in Del Norte county in California, United States with commodities Chromium, Iron
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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. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10284362
MRDS ID M007523
MAS/MILS ID 0060150094
Record type Site
Current site name Judy Mine
Alternate or previous names Victory No 2, Hicks Mine, Judy Group, Judy Claims 1,3,4

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -123.98226, 41.92592 (WGS84)
Elevation 811
Location accuracy 10(meters)

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 018 N 002 E 30 NESENE California

Commodities

Commodity Importance
Chromium Critical Tertiary
Iron Tertiary

Materials information

Materials Type of material
Chromite Unknown
Enstatite Unknown
Olivine Unknown
Pyroxene Unknown
Serpentine Unknown

Nearby scientific data

Main Entrance (1) -123.98226, 41.92592
ListMap

Economic information

Ore body information

  • Strike N10E
    Dip 45W
    Thickness 3M
    Length 23M
    Width 12M
    Area 1HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 OTHER
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 LENTICULAR
    Shape of Orebody #3 IRREGULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control LITHOLOGY
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 CARBONITIZATION
    Strike And Dip N10E:45W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 1
    Date of Last Modification 820414

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1941
Year of first production 1942

Mining district

District name High Plateau Area

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner U.S. Forest Service - Six Rivers National Forest
    Interest 100
    Home office California
    Year 1976
  • Type Owner
    Owner Hughes,Bird,Brown (Recent Claim)
    Home office California
    Year 1976

Workings at the site

  • Type of workings Underground
    Length 2M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method TIMBERED STOPES
    Swell Factor .6
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics SEMIPLASTIC OR PLASTIC
    Rock Support Chars. UNSUPPORTING NO FLOW
    Mine Support Chars. TIMBER W/LAGGING CONCRETE-UNREINFOR
    Length of Inclines (m) 21
    Slope of Inclines 20
    Number of Inclines 1
    1st Condition of Workings PLUGGED
    2nd Condition of Workings PLUGGED
    3rd Condition of Workings PART ACCESSIBLE

Reference information

Bibliographic references

  • Deposit

    WELLS,F.G,ET AL,1946,CDM AND G BULL 134,PT.1,CHAP.1,P.39

  • Deposit

    CAL.JOUR MINES AND GEOL.VOL.48,NO4,OCTOBER 1952,P.292.

General comments

Subject category Comment text
Deposit NO MINE ACCESS.IMPOSSIBLE TO ESTIMATE RESERVES. ORE IN PLACE FT COLLAR. ORE SHIPPED DURING 50S RAN 45.6 PERCENT CR2O3,1 THE ORE SHIPPED HAS CARRIED FROM 44.35 TO 50.55 PERCENT CR20 OF LUMP ORE AND 41 LONG TONS OF CONCENTRATES- MINE VISIT BY N 24 OCT 1975: INSUFFICIENT DATAFOR MATRIX DEVELOPMENT

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Stinson U.S. Bureau of Mines

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.