Palo Alto Sewage Sludge

Occurrence in Santa Clara county in California, United States with commodities Gold, Silver, Phosphorus-Phosphates, Copper, Tin, Palladium
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. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10039376
MRDS ID M047042
Record type Site
Current site name Palo Alto Sewage Sludge

Geographic coordinates

Geographic coordinates: -122.14493, 37.45297 (WGS84)
Elevation 2
Relative position 32 MI SOUTHEAST OF SAN FRANCISCO; 16 MI NORTHWEST OF SAN JOSE

Site location context

Political divisions (FIPS codes)

Santa Clara(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Palo Alto(quadrangle 1:24,000 scale)

Palo Alto(quadrangle 1:100,000 scale)

San Francisco(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 005S 002W 32 California

Comments on the location information

  • UNSURVEYED. WITHIN THE PALO ALTO CITY DUMP. LOCATION GIVEN IS SEWAGE TREATMENT SITE

Commodities

Commodity Importance
Gold Primary
Silver Primary
Phosphorus-Phosphates Primary
Copper Secondary
Tin Critical Secondary
Palladium Critical Secondary

Comments on the commodity information

  • PRINCIPAL SOURCE OF METALS ARE LOCAL ELECTRONICS AND PHOTOGRAPHIC INDUSTRIES. FOR COMPLETE LIST OF COMMODITIES PRESENT, SEE GULBRANDSEN AND OTHERS, 1978

Materials information

Materials Type of material
Ash Ore

Analytical data

Result AU=30 PPM
Result AG=660 PPM
Result CU=8,000 PPM
Result SN=1,000 PPM
Result P=6.6%
Result PD=4 PPM
Result AL=5.1% IN ASH MFROM SEWAGE TREATMENT (SEMI-QUANTITATIVE SPECTROGRAPHY)

Nearby scientific data

(1) -122.14493, 37.45297

Economic information

Ore body information

  • General form ASH

Controls for ore emplacement

  • Industrial Waste Products And Sewage Treatment Process

Comments on the geologic information

  • BECAUSE SEWAGE SLUDGE IS MAN MADE, GEOLOGIC INFORMATION ABOUT AREA IS IRRELEVANT

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Land status

Ownership category Private

Comments on the reserve resource information

  • ASH PRODUCTION IS VALUED AT $.5 MILLION ANNUALLY; HOWEVER, NO RESOURCES ARE BEING RECOVERED PRESENTLY.

Comments on development

  • NO RESOURCES ARE BEING RECOVERED PRESENTLY ; ECON.COM: AS MUCH AS 9,000 TONNES OF ASH AT THE DUMP COMPRISES A GOLD AND SILVER DEPOSIT VALUED AT $2.5 MILLION (BASED ON AU AT $175/TOZ AND AG AT $5/TOZ).

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THE PALO ALTO ASH IS ESPECIALLY RICH IN RESOURCES, PARTICULARLY AU, AG, P, SN, AND CU. SOME RESEARCH INTO RECOVERY PROCESSES HAS BEEN DONE AND ADDITIONAL WORK IS UNDERWAY. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit DEPOSIT COMPOSED OF INCINERATED SEWAGE SLUDGE.; UNPUBLISHED MODEL NAME: SEWAGE SLUDGE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1979 Saso, Jerri L. U.S. Geological Survey
Updater 01-DEC-1991 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.