1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Ellingwood Mine

Producer in Calaveras county in California, United States with commodity Chromium
Map
XML
JSON
KML
C
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. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10109138
MRDS ID M005816
Record type Site
Current site name Ellingwood Mine
Related records 10138268

Geographic coordinates

Geographic coordinates: -120.77212, 38.18185 (WGS84)
Relative position NW1/4; ABOUT A MILE N OF THE CALAVERAS RIVER ON W SLOPE NEAR THE BOTTOM OF A SMALL SIDE CANYON

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Valley Springs(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Calaveras(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

USACE(Federal land areas administered by USACE)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004N 011E 21 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -120.77212, 38.18185
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: CHROMITE OCCURS AS A VERTICAL LENS STRIKING N. 35 DEG. W.; ORE IS MASSIVE, MEDIUM-GRAINED CHROMITE. DEPOSIT IS WITHIN 150' OF THE CONTACT OF THE SERPENTINE WITH METAMORPHOSED OLD SEDIMENTS AND SCHISTS. THIS MAY BE THE PINE TREE CHROME MINE MENTIONED IN B. 430

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Valley Springs Area

Comments on the production information

  • 500 LONG TONS OF 38% CHROMIC OXIDE; RESERVES UNKNOWN. 2 OPEN PITS, 2 TUNNELS AND A WINZE. PROPERTY FIRST WORKED IN 1910. DURING 1941 MINE WAS REOPENED AND A SMALL AMOUNT OF ORE WAS SHIPPED

Reference information

Bibliographic references

  • Deposit

    CALIF. B. 134, PT.III, CH.2, P.48-49 AND PL.5

  • Deposit

    CA. COUNTY REPT. NO. 2, P. 21-22, 129, AND PL. D

  • Deposit

    USGS B. 430, P. 176

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.