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San Luis Obispo Nickel

Occurrence in San Luis Obispo 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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10033788
MRDS ID M020433
Record type Site
Current site name San Luis Obispo Nickel
Related records 10286958

Geographic coordinates

Geographic coordinates: -120.67403, 35.36803 (WGS84)
Relative position OCCUPIES CREST OF NARROW RIDGE, AND EXTENDS IN S.E. DIRECTION THROUGH SECTIONS 28, 34 AND 35 , 9 MI N. OF SAN LUIS OBISPO VIA PAVED AND GRADED DIRT ROADS.

Site location context

Political divisions (FIPS codes)

San Luis Obispo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

San Luis Obispo(quadrangle 1:24,000 scale)

San Luis Obispo(quadrangle 1:100,000 scale)

San Luis Obispo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salinas(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Los Padres 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 San Luis Obispo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 029S 012E 27,28,34,35 California

Commodities

Commodity Importance
Nickel Critical Tertiary

Analytical data

Result SHALLOW GRAB SAMPLES ASSAYED BETWEEN 0.40 AND 0.70 PERCENT NICKEL

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro > Norite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite

Nearby scientific data

(1) Lower Cretaceous marine rocks
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: AREA IS UNDERLAIN BY ELONGATED BODY OF ULTRAMAFIC ROCKS THAT IS INTRUSIVE INTO VARIOUS SEDIMENTARY UNITS OF FRANCISCAN FORMATION. ULTRAMAFIC BODY IS MAINLY COMPOSED OF PERIDOTITE AND PYROXENITE, AND CONTAINS MASSES OF GABBRO AND NARITE, OF WHICH FORMER ARE LOCALLY SERPENTINIZED. ATOP ULTRAMAFIC MASS, ABOVE 2400 FT. CONTOUR IS MANTLE OF NICKEL-BEARING, ROCKY REDDISH-BROWN LATERITE THAT IS QUITE THIN, PROBABLY AT MOST A FEW FT. DEEP.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1955

Ownership information

  • Type Owner
    Owner U.S. Government, Under Jurisdiction Of Camp San Luis Obispo Military Reservation

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    FAIRBANKS, H.W., 1904 , SAN LUIS FOLIO: U.S.G.S. GEOLOGICAL ATLAS OF U.S. FOLIO 101 , P. 6

  • Deposit

    CHESTERMAN, C.W., 1976 , WRITTEN COMMUNICATION

General comments

Subject category Comment text
Deposit Discovery Year: NICKELIFEROUS LATERITE NOTED IN MIDDLE 1950'S
Deposit CONSIDERABLE CHROMITE MINED IN THE AREA

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.