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Slab Ranch Property Calmo Calmo Mining and Milling Co.

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. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10109173
MRDS ID M006431
Record type Site
Current site name Slab Ranch Property Calmo Calmo Mining and Milling Co.
Related records 10284169

Geographic coordinates

Geographic coordinates: -120.53879, 38.08963 (WGS84)
Relative position ON THE CENTRAL HILL CHANNEL. SW1/4 NW1/4; NW1/4 SE1/4. MAP GP-561 SHOWS SEVERAL MINES IN THIS SECTION.

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
Gold Primary

Nearby scientific data

(1) -120.53879, 38.08963
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: TWO VERTICAL SHAFTS, 167 AND 115 FT. DEEP; SEVERAL THOUSAND FEET OF DRIFTS AND CROSSCUTS, BOTH UP AND DOWN STREAM AND IN COUNTRY ROCK. SOME OF THE WORKINGS SAID TO HAVE BEEN IN GRAVEL, BUT ABOVE BEDROCK, AND THE TROUGH OF THE CHANNEL WAS NOT EXPLORED. OPERATION A FAILURE DUE TO IMPRACTICAL MINING METHODS USED.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Comments on the production information

  • INTERMITTENT ACTIVITY 1924-1933; AU VALUED AT $25,000 PRODUCED FROM THE CALMO SHAFT.

Comments on the workings information

  • CALAVERAS CENTRAL GOLD MINING CO. HAS OBTAINED CONTROL OF THE PROPERTY. TWO VERTICAL SHAFTS 167' AND 115' FROM WHICH MORE THAN 8000' OF DRIFTS AND CROSSCUTS DRIVEN.

Reference information

Bibliographic references

  • Deposit

    CALIF. V. 32, NO. 3, P. 351 AND PL 6

  • Deposit

    REPT. 21, P. 161; REPT. 20, P. 7; SP. REPT. 41, P. 51, 52 AND PL. 3

  • Deposit

    CALIF. COUNTY REPT. NO. 2, P. 91, 85, 206, AND PL. C

General comments

Subject category Comment text
Deposit USGS MAP GQ-222; MAP GP-561

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.