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Clary and Langford Mine Porter and Spring Nassau

Producer in Calaveras county in California, United States with commodity Chromium
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Geologic information

Identification information

Deposit ID 10109153
MRDS ID M005992
Record type Site
Current site name Clary and Langford Mine Porter and Spring Nassau
Related records 10163140

Geographic coordinates

Geographic coordinates: -120.64684, 38.04185 (WGS84)
Elevation 530
Relative position IN NW1/4 OF SEC. 10; ABOUT 150' E OF COPPEROPOLIS-ANGELS CAMP ROAD AT A POINT ABOUT 0.6 MI. N OF MILTON ROAD JUNCTION.
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Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002N 012E 09,10 California

Commodities

Commodity Importance
Chromium Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result ORE CONTAINED 45 - 46 % CR2O3

Nearby scientific data

(1) -120.64684, 38.04185
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Comments on the geologic information

  • GEOL.DESC: ORE IN HIGHLY SHEARED SERPENTINE; NO ORE CAN BE SEEN IN PLACE BUT A FEW FRAGMENTS OF MEDIUM-TO COARSE-GRAINED MASSIVE CHROMITE CONTAINING MINOR QUANTITIES OF KAMMERERITE ARE SCATTERED ABOUT THE DUMPS. A SHAFT AND A FEW SMALL CUTS WERE REPORTED IN A SMALL DETACHED MASS OF SERPENTINE 1/2 MI. TO THE WEST (NE1/4 SEC. 9)

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Black Creek Area

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner J. E. Porter, J. H. Spring
    First year 1918
  • Type Owner
    Owner C. J. Tiscornia Ranches, Inc.
    Home office San Andreas, Ca. 95429

Comments on the production information

  • TOTAL 348 LONG TONS; RESERVES PROBABLY NEGLIGIBLE. OPERATED PRIOR TO WWI UNTIL 1918. WORKINGS CONSIST OF A FLOODED OPEN CUT AND 2 FLOODED SHAFTS. SOME OF ORE MINED USED BY A LOCAL COPPER SMELTER AS FURNACE LININGS.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M005992

Bibliographic references

  • Deposit

    CALIF. B. 134, PT. III, CH. 2, P. 47 AND PL. 5; B. 76, P. 121

  • Deposit

    CALIF. COUNTY REPT. NO. 2, P. 128 AND PL. D

  • Deposit

    STINSON, M.C., 1975, CDMG MINERAL PROP. REPT., UNPB.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-SEP-1982 Oster, Karel L. (Albers, John P.) U.S. Geological Survey