Little Rattlesnake Mountain Deposit

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

Geologic information

Identification information

Deposit ID 10187460
MAS/MILS ID 0060150178
Record type Site
Current site name Little Rattlesnake Mountain Deposit

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -123.97285, 41.69592 (WGS84)
Elevation 862
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Del Norte(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Canthook 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 015 N 002 E 17 C California

Commodities

Commodity Importance
Chromium Critical Tertiary
Cobalt Critical Primary
Nickel Critical Primary

Materials information

Materials Type of material
Goethite Unknown
Montmorillonite Unknown
Serpentine Unknown

Economic information

Ore body information

  • Depth to top 3M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 OTHER
    Shape of Orebody #1 IRREGULAR
    Primary mode of Origin RESIDUAL CONCENT
    Primary Ore Control LITHOLOGY
    Secondary Ore Control OTHER
    Degree of Wallrock Alter. NONE
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 1.5
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 810302
  • Area 610HA
    Field Value
    Total Surface Area (HA) 610
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1956

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Del Norte Mining Co.
    Interest 100
    Home office California
    Year 1979

Comments on the reserve resource information

  • THE PROPERTY IS LEASED TO CALIFORNIA NICKEL CORP. CHROMIUM WAS NOT INCLUDED IN COSTING. NICKEL CONTENT, 0.46 WT.PCT. COBALT CONTENT, 0.06 WT.PCT.
  • RESOURCE ESTIMATES DEVELOPED IN-HOUSE 1979.

Workings at the site

  • Type of workings Surface
    Area 492HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Swell Factor .86
    Percent Waste Rock 35.8
    Avg. Overburden Thickness .3
    Hardness of Ore SAND, SILT
    Avg. Bench Height (meters) 8
    Max. Pit Slope (degrees) 35
    Capacity 5716
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 144.599
    Unit Production Cost 2.14
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1979

Reference information

Bibliographic references

  • Deposit

    CALIF. DIV. MINES AND GEOLOGY BULL. 134, PT. 1. CHAPT. 1, 76

  • Deposit

    PP.

  • Deposit

    FRIZZELL, L.E., REPORT ON THE NICKEL LATERITE DEPOSIT OF

  • Deposit

    LITTLE AND BIG RATTLESNAKE MOUNTAIN, DEL NORTE COUNTY, CALI-

  • Deposit

    FORNIA: ASSOCIATED GEOLOGISTS UNPUBLISHED REPORT. 1977, 11P.

  • Deposit

    BOWENCAMP, J.E., PRELIMINARY REPORT ON THE LITTLE RATTLE-

  • Deposit

    SNAKE MOUNTAIN NICKEL PROSPECT, DEL NORTE CO., CALIFORNIA

  • Deposit

    FREEPORT EXPLORATION CO. CONFIDENTIAL REPORT, 1956, 9 P.

  • Deposit

    STATE OF CALIFORNIA, GEOLOGIC MAP OF CALIFORNIA-WEEK SHEET:

  • Deposit

    CALIF. DIV. OF MINES AND GEOL., 2 PLS.

  • Deposit

    CUMBERLIDGE, U.T., GEOLOGY OF THE NICKEL MOUNTAIN MINE, RID-

  • Deposit

    DLE, OREGON, IN ORE DEPOSITS OF THE UNITED STATES, V.2, 30

  • Deposit

    ED, AIME, NEW YORK, 1968, P.1650-1672

  • Deposit

    ROWE, W.A., GEOLOGY OF THE NICKEL MOUNTAIN MINE, RIDDLE, ORE

  • Deposit

    SNE-AIME FALL MTG. PRESENTATION, DENVER. COLO., 1976

  • Deposit

    SINGMASTER & BREYER, INC., NICKEL RECOVERY FROM WESTERN

  • Deposit

    SOURCES, TASK I REPORT, TECHNICAL AND ECONOMIC EVALUATION:

  • Deposit

    DEPT. INTERIOR.USBM CONTRACT MO.J0255007, 1975, 138 P.

  • Deposit

    WESTERN KNAPP ENGINEERING, ORDER-OF-MAGNITUDE STUDY, CAPITAL

  • Deposit

    AND OPERATING COSTS, NICKEL MINE AND PROCESSING PLANT, NOR-

  • Deposit

    THERN CALIFORNIA.

  • Deposit

    SIEMENS, R.E., PROCESS FOR THE RECOVERY OF NICKEL, COBALT,

  • Deposit

    AND COPPER FROM DOMESTIC LATERITES: MINING CONGRESS JOURNAL

  • Deposit

    U.63, NO.1, P. 27-34

  • Deposit

    SIEMENS, R.E., RECOVERY OF NICKEL AND COBALT FROM LOW-GRADE

  • Deposit

    DOMESTIC LATERITES:USBM RI 8027, 1975, 14 P

General comments

Subject category Comment text
Deposit CHROMITE ASSAYS ARE GIVEN FOR THE SAKE OF COMPLETNESS; HOW- EVER, CHROMITE CANNOT BE RECOVERED BY THE REDUCTION ROAST AMMONIACAL-LEACH PROCESS AND IS NOT, THEREFORE, INCLUDED IN THE COSTING.

Reporter information

Type Date Name Affiliation Comment
Reporter 12-JUL-1993 Unknown U.S. Bureau of Mines

Beyond USGS

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

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.