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  3. Mineral Resource Data System (MRDS)

Ellis

Producer in Amador county in California, United States with commodity Chromium
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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. Reporter information

Geologic information

Identification information

Deposit ID 10028059
MRDS ID M004839
Record type Site
Current site name Ellis
Related records 10259639

Geographic coordinates

Geographic coordinates: -120.84574, 38.31157 (WGS84)
Relative position NW 1/4 SW 1/4

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jackson(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Mokelumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Amador

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 005N 010E 02 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -120.84574, 38.31157
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner J. M. Ellis

Comments on the production information

  • WORKED DURING WWI. ABOUT 10 TONS OF ORE IS STACKED AT THE PIT BUT NONE HAS EVER BEEN SHIPPED. A SAMPLE OF THIS ORE CONTAINED 40.22 PERCENT OF CHROMIC OXIDE. RESERVES ARE PROBABLY LESS THAN 50 TONS

Comments on the workings information

  • ONE SMALL PIT AND A NUMBER OF PROSPECT TRENCHES

Reference information

Bibliographic references

  • Deposit

    DOM BULL. 134, PT. 3, CHAP. 2, P.53

  • Deposit

    CALIF. JOUR. MINES AND GEOL. V. 50, NO. 1, JAN. 1950, P.234, PL. 1

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.