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Quarry Pierano

Producer in Calaveras county in California, United States with commodity Stone, Dimension
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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. Links to other databases
  10. Bibliographic references
  11. Reporter information

Geologic information

Identification information

Deposit ID 10109174
MRDS ID M006434
Record type Site
Current site name Quarry Pierano
Related records 10114418

Geographic coordinates

Geographic coordinates: -120.53351, 38.08102 (WGS84)
Relative position NW1/4

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Angels Camp(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003N 013E 27 California

Commodities

Commodity Importance
Stone, Dimension Primary

Nearby scientific data

(1) -120.53351, 38.08102
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: RHYOLITE TUFF IS A FINE-GRAINED,TOUGH, MASSIVE, GRAYISH-WHITE MATERIAL THAT CAPS A SMALL HILL; 130' THICK, CIRCULAR IN SHAPE, AND ABOUT 500' IN DIAMETER. NO OVERBURDEN; TUFF RESTS ON LATE TERTIARY GRAVELS AND GREEN SCHIST. ONLY UPPERMOST 20' IS QUARRIED.

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No

Comments on the production information

  • INTERMITTENTLY ACTIVE SINCE 1850S.

Comments on the workings information

  • THE ROCK IS BLASTED, TRAMMED BY HAND TO A SMALL CRUSHING AND SIZING PLANT, CRUSHED, SIZED, AND STORED. TWO SIZES CRUSHED TUFF PRODUCED.

Reference information

Bibliographic references

  • Deposit

    CALIF. SP. REPT. 41, PL. 3

  • Deposit

    CALIF. COUNTY REPT. NO. 2, P. 120, 215 AND PL. D

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.

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.