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

Deep Gulch Placer

Past Producer in Santa Clara county in California, United States with commodity Mercury
Map
XML
JSON
KML
B
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. Mining district
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10040755
MRDS ID M055622
Record type Site
Current site name Deep Gulch Placer
Related records 10287047

Geographic coordinates

Geographic coordinates: -121.82464, 37.17353 (WGS84)
Elevation 152

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)

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

Comments on the location information

  • WHERE DEEP GULCH JOINS ALMADEN CANYON. LOCATION APPROXIMATE

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -121.82464, 37.17353
ListMap

Economic information

Ore body information

  • Thickness 6.1M

Controls for ore emplacement

  • Abrupt Change In Stream Gradient

Comments on the geologic information

  • GEOL.DESC: DERIVED FROM DEEP GULCH DRAINAGE AREA

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1945 - 1947

Mining district

District name New Almaden

Production statistics

  • Year 1947
    Period 1945-1947
    Material HG
    Accuracy Estimate
    Description Cp_Grade: ^Nuggets Averaged 75% Cinnabar
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 75wt-pct

Comments on the workings information

  • DISCOVERED ACCIDENTLY BY H.F. AUSTIN

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.