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Trio Chrome Co.

Occurrence in El Dorado 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. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10029674
MRDS ID M007364
Record type Site
Current site name Trio Chrome Co.
Related records 10162632

Geographic coordinates

Geographic coordinates: -120.93102, 38.5239 (WGS84)
Relative position NE1/4

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Latrobe(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Cosumnes(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 008N 009E 25 California

Comments on the location information

  • LATITUDE-LONGITUDE determined by using PLS and GIS.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -120.93102, 38.5239
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • NO PRODUCTION SO FAR AS IS KNOWN - OPERATORS REPORT EACH TON OF SOIL AND GRAVEL CONTAINS ABOUT 30 POUNDS OF CHROMITE SAND.

Comments on the workings information

  • AREA EXCAVATED WITH BULLDOZER- MOSTLY EXPLORATORY WORK.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 52, NO. 4, P. 475

  • Deposit

    DOM BULL. 134, PT. 3, CHAP. 4, P. 121, PL. 8

General comments

Subject category Comment text
Deposit SEVERAL ACRES OF GRAVEL AND HILL WASH 1 TO 10 FT. DEEP COVER THE BOTTOM AND SIDES OF A SHALLOW GULLEY TRIBUTARY TO THE COSUMNES RIVER.

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.