Sherman Ranch Occurrence

Occurrence in Nevada county in California, United States with commodity Chromium
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. Land status
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10031734
MRDS ID M011111
Record type Site
Current site name Sherman Ranch Occurrence
Alternate or previous names Hoeft Lease 1918
Related records 10285948

Geographic coordinates

Geographic coordinates: -121.04632, 39.25683 (WGS84)
Elevation 732
Relative position SW1/4 SE1/4

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nevada City(quadrangle 1:24,000 scale)

Yuba City(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 016N 008E 11 SW OF SE California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -121.04632, 39.25683

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Nevada City - Grass Valley Area

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Eleanor E. Hoeft
    First year 1918

Comments on the production information

  • APPROX. 500 OR 600 TONS OF MINE-RUN DISSEMINATED ORE CONTAINING 10 TO 15 PERCENT CR2O3 WAS TAKEN TO MILL TO BE CONCENTRATED. THE CONCENTRATES CONTAINED ONLY ABOUT 32 PERCENT CR2O3 AND HAD A HIGH IRON CONTENT. MISS HOEFT REPORTED THAT 146 LONG TONS OF ORE WAS SHIPPED BY HER IN 1918.

Comments on the workings information

  • INCLINED SHAFT 47 FT., DRIFT FROM THE BOTTOM OF THE SHAFT; SMALL STOPE.

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 134, PT. III, CHAP. 5, P. 241, PL. 13

  • Deposit

    CALIF. JOUR. MINES & GEOLOGY, V. 37, NO. 3, JULY 1941, P. 453

General comments

Subject category Comment text
Deposit THE SHAFT ENCOUNTERED ORE, 12 FT. THICK AT PLACES, MOST OF THE WAY TO THE BOTTOM; THE DRIFT WAS IN ORE AS MUCH AS 10 FT. THICK FOR AT LEAST 30 FT. FROM THE BOTTOM OF THE SHAFT. SOME SHIPPING-GRADE ORE (FLOAT?) WAS SLUICED OFF THE HILLSIDE AND A SMALL LENS OF DISSEMINATED ORE WAS MINED FROM LOWER SLOPE; MAJOR BODY OF ORE WAS NEAR TOP OF THE RIDGE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-APR-1982 Oster, Karel L. (Albers, John P.) 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.