Middlesworth Clay Deposit

Past Producer in Riverside county in California, United States with commodities Clay, Aluminum
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. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10077157
MRDS ID W024608
Record type Site
Current site name Middlesworth Clay Deposit
Related records 10286273

Geographic coordinates

Geographic coordinates: -117.59282, 33.82559 (WGS84)
Elevation 488

Site location context

Political divisions (FIPS codes)

Riverside(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Corona South(quadrangle 1:24,000 scale)

Santa Ana(quadrangle 1:100,000 scale)

Santa Ana(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Santa Ana(hydrologic unit)

Santa Ana(hydrologic accounting unit)

Southern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Cleveland National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Riverside

Public Land Survey System information

Meridian Township Range Section Fraction State
004S 007W 15 California

Commodities

Commodity Importance
Clay Primary
Aluminum Critical Secondary

Materials information

Materials Type of material
Bauxite Ore

Nearby scientific data

(1) -117.59282, 33.82559

Economic information

Ore body information

  • Strike NW
    Dip 12-15 SW
    Thickness 9.14M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No

Comments on the workings information

  • TWO TUNNELS, 150 FT LONG.

Reference information

Bibliographic references

  • Deposit

    CALIF JOUR OF MINES & GEOL V 41 # 3 P 161. ALSO IN NW SEC 14; SW

  • Deposit

    SEC 11; 4S-7W

  • Deposit

    SAMPSON, R.J., AND TUCKER, W.B., 1945, MINERAL RESOURCES OF RIVERSIDE COUNTY; CALIFORNIA DIVISION OF MINES AND GEOLOGY, VOL. 41, NO. 3, P. 161.

General comments

Subject category Comment text
Deposit BED OF POTTERY CLAY, OVERBURDEN OF 20-30 FT CONTAINS 2-6 FT LAYER OF IMPURE BAUXITE, ALSO A LAYER OF BLUE FIRE CLAY TO THE NW, 20 FT THICK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1993 Unkefer, Jason U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.