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Diamond Flat

Occurrence in Del Norte county in California, United States with commodity Nickel
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10033766
MRDS ID M020411
Record type Site
Current site name Diamond Flat
Related records 10187174

Geographic coordinates

Geographic coordinates: -123.97977, 41.96815 (WGS84)
Relative position ON THE S.E. SIDE OF PINEFLAT MTN., LIES E. 13 MI. FROM SMITH RIVER, CAN BE REACHED VIA WIMER ROAD.

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 08,07 California

Commodities

Commodity Importance
Nickel Critical Tertiary

Materials information

Materials Type of material
Garnierite Ore

Analytical data

Result SAMPLES ASSAYED 0.92 PERCENT NICKEL BY WEIGHTED AVERAGE

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Economic information

Ore body information

  • Thickness 6.4M

Comments on the geologic information

  • GEOL.DESC: 160 ACRES ARE UNDERLAIN BY PERIDOTITE, WHICH IS LOCALLY JOINTED AND ALTERED TO SERPENTINITE. LATERITE MANTLE, DEPTH SAID TO RANGE FROM A FEW FEET TO 21 FT., COVERS MUCH OF THE AREA. IT IS DEEP REDDISH-BROWN IN COLOR AND IN ONE SHALLOW TEST PIT SEVERAL NARROW VEINLETS OF PALE GREEN GARNIERITE WERE OBSERVED.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1952

Ownership information

  • Type Owner
    Owner Rare Metals Corp., Salt Lake City, Ut., And Mr. Simonson Of Smith River, Ca..

Reference information

Bibliographic references

  • Deposit

    BENSON, W.T., 1963 , PINE FLAT AND DIAMOND FLAT NICKEL-BEARING LATERITE DEPOSITS, DEL NORTE COUNTY, CALIF: U.S.B.M., REPT. INV. 6206

  • Deposit

    BRIGHT, J.H., 1974 ( 1958 ), PRIVATE COMMUNICATION.

  • Deposit

    CATER, FRED W. JR., AND FRANCIS G. WELLS, 1953 , GEOLOGY AND MINERAL RESOURCES OF GASQUET QUAD., CALIF.-ORE: U.S.G.S. BULL. 995-C.

  • Deposit

    WELLS, F.G., F.W. CATER JR. AND G.A. RYNEARSON, 1946 , CHROMITE DEPOSITS OF DELNORTE COUNTY, CALIF: CALIF. D.O.M. BULL. 134 , PT. 1 , CH. 1

  • Deposit

    5) CHESTERMAN, C.W., 1976 , WRITTEN COMMUNICATION.

General comments

Subject category Comment text
Deposit Discovery Year: EARLY 1950'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1978 Killman, K.; Albers, J. 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.