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  3. Mineral Resource Data System (MRDS)

Lilly Group Deposit

Past Producer 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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10103533
MRDS ID M025591
Record type Site
Current site name Lilly Group Deposit

Geographic coordinates

Geographic coordinates: -121.30628, 35.81801 (WGS84)
Elevation 671
Relative position 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 006E 27 N2 California

Comments on the location information

  • SEVEN MILES BY JEEP ROAD NORTHEAST OF STATE HIGHWAY 1 AT THE SOUTH COUNTY BORDER IN THE BURRO MTN. 7.5 QUADRANGLE. ; INFO FROM LAND.ST :(1966)

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore
Tremolite Gangue

Analytical data

Result GRADE OF ORE AND CONCENTRATES RANGED 44% TO 49% CR2O3. ONE SAMPLE WAS 47.4% CR2O3 AND HAD CR/FE RATIO FROM 2.2 TO 3.0

Host and associated rocks

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

Nearby scientific data

(1) -121.30628, 35.81801
ListMap

Economic information

Ore body information

  • General form POLD,OTHER NODULES, STRINGERS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1958

Mining district

District name Los Burros

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Monte Young
    Home office P.O. Box 43, San Simeon, Ca.
    First year 1966

Comments on the workings information

  • DEPOSIT DEVELOPED BY SHALLOW CUTS AND MINOR BLASTING TO UNCOVER AND QUARRY THE ORE BODIES.

Reference information

Bibliographic references

  • 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 THE ORE BODIES VARY IN SIZE FROM A FEW POUNDS TO SEVERAL TONS AND ARE SCATTERED INTERMITTENTLY THROUGH A NARROW BODY OF SERPENTINE 3 MILES LONG WHICH ROUGHLY TRENDS N70W AND UNDERLIES A RIDGE CREST. SEVERAL UNPATENTED CLAIMS.

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.