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Evans Ranch Prospect

Occurrence in Monterey county in California, United States with commodity Chromium
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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. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10043395
MRDS ID M100138
Record type Site
Current site name Evans Ranch Prospect
Related records 10188840

Geographic coordinates

Geographic coordinates: -121.29294, 35.81606 (WGS84)
Elevation 640
Relative position THE TWO DEPOSITS ARE LOCATED APPROXIMATELY SIX MILES NORTH OF SAN SIMEON, CA.

Site location context

Political divisions (FIPS codes)

Monterey(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Burro Mountain(quadrangle 1:24,000 scale)

Cambria(quadrangle 1:100,000 scale)

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

Hydrologic units (watersheds)

Central Coastal(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)

Silver Peak Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Monterey

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 024S;025S 006E;006E 26;02 NW California

Comments on the location information

  • THERE ARE TWO DEPOSITS LOCATED IN DEVILS CANYON, WHICH RUNS INTO SAN CARPOJARA CREEK, ON EVANS RANCH. ; INFO FROM LAND.ST :(1958)

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Serpentinization Of Ultra Basic Rocks

Host and associated rocks

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

Nearby scientific data

(1) -121.29294, 35.81606
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Los Burros

Land status

Ownership category Military Reservation

Ownership information

  • Type Owner
    Owner Evans, W. J. And J. C.
    Home office San Simeon, Ca.
    First year 1953

Comments on the workings information

  • CHROMITE FLOAT EXPOSED WITHIN AN AREA TEN FT. IN DIAMETER IN NW 1/4 SEC. 26, T. 24S., R. 6E.

Reference information

Bibliographic references

  • Deposit

    WALKER, G.W. AND GRIGGS, A.B., 1953, CHROMITE DEPOSITS OF THE SOUTHERN COAST RANGES OF CALIFORNIA: CALIF. DIVISION OF MINES BULLETIN 134, PART 2. CHAPT. 2, P 54, 80.

  • Deposit

    LOGAN, C.A., 1918, MANGANESE AND CHROMIUM IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 76, P 170, 221.

  • Deposit

    HART, E.W., 1966, MINES AND MINERAL RESOURCES OF MONTEREY COUNTY, CALIF., COUNTY REPORT NUMBER 5., CALIF. DIVISION OF MINES AND GEOLOGY, P 31, 120.

General comments

Subject category Comment text
Deposit SERPENTINE UNDER THE CHROMITE FLOAT CONTAINS GRAINS OF DISSEMINATED CHROMITE, SO THE FLOAT IS PROBABLY THE RESIDUAL REMNANT OF A SMALL ORE BODY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1981 Oster, Karel L. (Albers, John P.) 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.