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

New Almaden - Cora Blanca Area

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. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10040743
MRDS ID M055606
Record type Site
Current site name New Almaden - Cora Blanca Area

Geographic coordinates

Geographic coordinates: -121.83631, 37.17409 (WGS84)
Elevation 366

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 009S 001E 02 California

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Dolomite Gangue
Quartz Gangue

Alteration

  • (Local) Silica Carbonate Alteration Of Serpentine

Nearby scientific data

(1) -121.83631, 37.17409
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Local Fracturing

Ore body information

  • General form BLANKET
    Strike NNE
    Dip W

Controls for ore emplacement

  • Serpentine - Tuff Contact In Franciscan

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1859

Mining district

District name New Almaden

Workings at the site

  • Type of workings Surface/Underground
    Length 3048M

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.

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.