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Caldwell Daly

Producer in Mariposa county in California, United States with commodity Manganese
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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. Materials information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10030814
MRDS ID M009256
Record type Site
Current site name Caldwell Daly
Related records 10188131

Geographic coordinates

Geographic coordinates: -120.28127, 37.68075 (WGS84)
Relative position 8.5 MI. SW OF COULTERVILLE

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Penon Blanco Peak(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Merced(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003S 015E 11,14 California

Comments on the location information

  • LOCATED IN NE 1/4 NE 1/4 SECTION 14 , SE 1/4 SE 1/4 SECTION 11 ; INFO FROM LAND.ST :UNDETERMINED

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore

Nearby scientific data

(1) -120.28127, 37.68075
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: RED OR SERIES OF LENSES ENCLOSED IN CHERT. THE THICK BEDDED TO MASSIVE RED CHERT, THIN BEDDED BUFF TO GRAY CHERT, AND MASSIVE TO THICK BEDDED WHITE CHERT IS ENCLOSED IN GREY TO GREEN METATUFF AND METAVOLCANICS OF THE AMADOR GROUP. ORE IS PARTLY PSILOMELANE, BUT IS MAINLY BROWN GRAY OR ROSE COLORED CHERTY MANGANIFEROUS CALCIUM CARBONATE (MANGANO CALCITE). PYROLUSITE IS ALSO PRESENT.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No

Ownership information

  • Type Operator
    Owner Walter Hixson
    First year 1942

Comments on the production information

  • OPERATED DURING WWI AS THE DALY MINE, PRODUCING BETWEEN 100-200 TONS OF ORE WHICH AVERAGED 45 PERCENT MANGANESE, 6 PERCENT IRON, 13 PERCENT SILICA. REACTIVATED ABOUT 1937 AND OPERATED UNTIL 1943. TOTAL PRODUCTION HAS BEEN ABOUT 265 TONS OF ORE AVERAGING NEARLY 45 PERCENT MANGANESE.

Comments on the workings information

  • INCLINED SHAFT 57 FT. DEEP W/26-FT. DRIFT AT BOTTOM; 10 FT. SHAFT, 15 FT. SHAFT, 30 OPEN CUTS SCATTERED ALONG ORE ZONE FOR DISTANCE OR MORE THAN 1000 FT.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 53, NOS. 1 & 2, JAN.-APRIL, 1957, PP. 191, 324, PL. 4

  • Deposit

    DOM BULL. 152, 1950, PP. 106- 108

  • Deposit

    U.S. BUREAU OF MINES R.I. 5163, P. 7; ADD. REF.: USBM R.I. 5579, P. 23-24; DMEA APPL'N - 2952 - REPORTED 7/13/53 BY WIEKELT - NO CONTRACT , DMEA INDEX P. 16

General comments

Subject category Comment text
Deposit MINE IS ON PATENTED AGRICULTURAL LAND. ORE MINERALS ARE CHIEFLY BLACK PSILOMELANE AND PYROLUSITE BUT THERE IS CONSIDERABLE CARBONATE ORE CONSISTING OF BROWN, GRAY AND PINK MANGANOCALCITE. ORE RUNNING AT LEAST 20 PERCENT MANGANESE REMAINED IN THE MINE IN 1942.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-DEC-1977 Killman, K.; Albers, J. 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.