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Alta Hill Mine

Occurrence in Nevada 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. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10031754
MRDS ID M011190
Record type Site
Current site name Alta Hill Mine

Geographic coordinates

Geographic coordinates: -121.06604, 39.23461 (WGS84)
Elevation 792
Relative position NR. CTR.

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grass Valley(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 22 California

Comments on the location information

  • MINE LOCATED ON N SIDE OF ROAD BETWEEN GRASS VALLEY AND NEVADA CITY, CA.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -121.06604, 39.23461
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner W. V. Mau, O. R. Heidrick, L. W. Williams

Comments on the production information

  • A STATE REPORT INDICATED ABOUT 250 TONS OF MILLING-GRADE ORE CONTAINING 15 TO 18 PERCENT CR2O3 PRODUCED WITH ABOUT 150 TONS SHIPPED IN 1918. WILLIAMS REPORTED SHIPMENTS OF ONLY 117 LONG TONS AND STOCKS OF 61 TONS IN 1918. IN 1937 WILLIAMS SOLD ABOUT 60 LONG TONS.

Comments on the workings information

  • TWO GROUPS OF WORKINGS ABOUT 100 FT. APART, CONSISTING OF SOME OPEN CUTS AND TWO SHAFTS, 20 FT. AND 30 FT. WITH DRIFT OF ABOUT 50 FT.

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 134, PT. III, CHAP. 5, P. 244, PL. 13

  • Deposit

    CALIF. JOUR. MINES & GEOLOGY, V. 37, NO. 3, JULY 1941, P. 444

General comments

Subject category Comment text
Deposit SOME OF THE ORE SHIPPED CONTAINED 31 TO 36 PERCENT CR2O3. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-JUL-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.

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.