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

Enriquita

Past Producer in Santa Clara county in California, United States with commodity Mercury
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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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10040752
MRDS ID M055618
Record type Site
Current site name Enriquita

Geographic coordinates

Geographic coordinates: -121.86797, 37.19298 (WGS84)
Elevation 274

Site location context

Political divisions (FIPS codes)

Santa Clara(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Santa Teresa Hills(quadrangle 1:24,000 scale)

San Jose(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Coyote(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Federal lands

LG(Federal land areas administered by LG)

Geographic areas

Country State County
United States California Santa Clara

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 008S 001E 33 California

Comments on the location information

  • 2 MI NW OF MINE HILL, LOCATED ON SHAFT

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Alteration

  • (Local) Silica Carbonate Alteration Of Serpentine

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
    Rock unit name Franciscan Complex
    Rock description Franciscan Complex
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -121.86797, 37.19298
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Local Anticline

Ore body information

  • General form IRREGULAR
    Length 167.64M
    Width 12.19M

Controls for ore emplacement

  • Anticline Crest

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Production years 1859 - 1863

Mining district

District name New Almaden

Production statistics

  • Year 1863
    Period To 1863
    Material HG
    Accuracy Accurate
    Description Cp_Grade: ^5% Hg
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 5wt-pct

Comments on the production information

  • ONE OF THE "OUTSIDE" NEW ALMADEN MINES

Workings at the site

  • Type of workings Surface/Underground
    Length 2743.2M

Comments on the workings information

  • DISCOVERED PRIOR TO 1859

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

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.