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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Encinitas

Past Producer in San Diego county in California, United States with commodities Copper, Lead
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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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10103018
MRDS ID M021076
Record type Site
Current site name Encinitas
Alternate or previous names Danes Lea
Related records 10280551

Geographic coordinates

Geographic coordinates: -117.20558, 33.08033 (WGS84)
Relative position NEARLY 4 MILES NORTH OF RANCHO SANTA FE

Site location context

Political divisions (FIPS codes)

San Diego(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rancho Santa Fe(quadrangle 1:24,000 scale)

Oceanside(quadrangle 1:100,000 scale)

Santa Ana(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Luis Rey-Escondido(hydrologic unit)

Laguna-San Diego Coastal(hydrologic accounting unit)

Southern California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Diego

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 012S;013S 003W;003W 32,33;04,05 California

Commodities

Commodity Importance
Copper Primary
Lead Secondary

Comments on the commodity information

  • GRADE ESTIMATED TO BE LOW

Materials information

Materials Type of material
Chalcopyrite Ore
Limonite Ore
Malachite Ore
Pyrite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock

Nearby scientific data

(1) Eocene marine rocks
ListMap

Economic information

Ore body information

  • Thickness 0.91M
    Width 15.24M

Controls for ore emplacement

  • Shear Zone, Fractures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1905 , 1915 - 1917

Workings at the site

  • Type of workings Underground
    Length 143.26M
    Overall depth 85.34M

Comments on the workings information

  • TWO SHAFTS, 100 FT. APART, MAIN SHAFT WAS PARTLY FILLED WITH WATER IN 1955 , REPORTED TO BE 280 FT., OTHER SHAFT IS 100 FT. DEEP, ALSO FILLED WITH WATER. TWO DRIFT ADITS, 10 FT. APART VERTICALLY ARE 35 - 40 FT. LONG AND ARE CONNECTED BY A RAISE

Reference information

Bibliographic references

  • Deposit

    ERIC, J.H., 1948 , COPPER IN CALIFORNIA BULL. 144 : DIV. OF MINES, P. 320

  • Deposit

    WEBER, F.H., JR., 1963 , GEOLOGY AND MINERAL RESOURCES OF SAN DIEGO COUNTY, CALIFORNIA; COUNTY REPORT 3 , CALIF. DIV. OF MINES AND GEOLOGY, P. 69 - 72 , 71

  • Production

    WEBER, F.H. JR., 1963

General comments

Subject category Comment text
Deposit COMPRISED OF 133 ACRES
Deposit MINERALIZED ZONE EXTENDS FOR OVER A MILE AND IS 10 - 50 FT. WIDE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Fraticelli, L. A. (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.