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Hexter Placer Mine

Producer in Calaveras county in California, United States with commodity Gold
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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 10109141
MRDS ID M005851
Record type Site
Current site name Hexter Placer Mine
Related records 10211746

Geographic coordinates

Geographic coordinates: -120.71712, 38.28269 (WGS84)
Relative position 1 1/2 MI. SW OF MOKELUMNE HILL ON NW SLOPE OF STOCKTON RIDGE; ON THE DURYEA CHANNEL. NW1/4

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mokelumne Hill(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Calaveras(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 005N 011E 13 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

(1) -120.71712, 38.28269
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: PROPERTY WORKED FOR GOLD IN THE GRAVELS AND FOR THE OPALS FOUND ON THE PROPERTY; HOWEVER, OPALS ARE TOO SOFT AND ARE NOT USED AS GEM STONES. PAY GRAVEL 150' WIDE AND 7' DEEP; SLIGHTLY CEMENTED. 2000' TUNNEL DRIVEN IN THE DIORITE BEDROCK UNDERNEATH THE RHYOLITIC AND ANDESITIC CAPPING TO THE CHANNEL, THAT FORMS THE CREST OF STOCKTON RIDGE. THE CHANNEL WAS DRIFTED ON FOR A DISTANCE OF 500' N AND 500' S.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Comments on the production information

  • MAIN HAULAGEWAY DRIVEN 1400' DURING 1896 TO 1899. IDLE SINCE 1917.

Reference information

Bibliographic references

  • Deposit

    CALIF. V. 32, NO. 3, P. 345, 359 AND PL. 7

  • Deposit

    CALIF. COUNTY REPT. NO. 2, P. 88, 199 AND PL. C

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.