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  3. Mineral Resource Data System (MRDS)

Clark Sand Pit

Occurrence in Amador county in California, United States with commodity Clay
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10028052
MRDS ID M004822
Record type Site
Current site name Clark Sand Pit

Geographic coordinates

Geographic coordinates: -121.00241, 38.43157 (WGS84)

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Carbondale(quadrangle 1:24,000 scale)

Lodi(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Amador

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 07N 09E 28 California

Commodities

Commodity Importance
Clay Primary

Nearby scientific data

(1) -121.00241, 38.43157
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Ownership information

  • Type Operator
    Owner Pacific Clay Products Co.

Comments on the production information

  • THE PIT ACTIVE AT LEAST AS EARLY AS 1906 AND CONTINUES TO PRODUCE INTERMITTENTLY. IN EARLY 1920'S A PILOT PLANT CONSTRUCTED FOR SEPARATION OF CHINA CLAY AND SILICA SAND. THE IONE SAND FROM THIS PIT IS USED LARGELY FOR SETTING SAND WITH SMALL AMOUNTS GOING INTO TERRA COTTA AND WHITE BRICKS. THE USABLE MATERIAL IS FROM 25 TO 40 FT. THICK AND IS OVERLAIN BY SOIL AND IRON-STAINED SAND UP TO 4 FT. THICK. THE IONE SAND IN THIS PIT CONTAINS A HIGHER PROPORTION OF SAND TO CLAY THAN IS USUAL IN AMADOR COUNTY

Comments on the workings information

  • FIRST WORKED FROM ROOM AND PILLAR STOPES BUT RECENT OPERATIONS ALL FROM STRIPPING AND OPEN PIT OPERATION

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 50, NO.1, JAN. 1954, P.217-18, 278, PL. 1

  • Deposit

    CJM&G V. 54, NO. 1, P. 126; V. 55, P. 164

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. 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.