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Shell Rock

Occurrence in Mendocino county in California, United States with commodity Manganese
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10031372
MRDS ID M010090
Record type Site
Current site name Shell Rock
Related records 10116026

Geographic coordinates

Geographic coordinates: -123.52111, 39.83957 (WGS84)
Relative position 6 MI. BY ROAD WEST OF SPY ROCK STATION ON THE NO. PAC. RR. THIS DEPOSIT IS PROBABLY SEC. 14 (POSSIBLY IN NW1/4 SEC. 13)

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tan Oak Park(quadrangle 1:24,000 scale)

Covelo(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Eel(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mendocino

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 023N 015W 15 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

(1) -123.52111, 39.83957
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: MANGANESE OCCURS IN LENSES INTERBEDDED IN JASPER WHOSE OUTCROP FORMS A BLUFF 500 FT. LONG AND 50 FT. HIGH.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • NO PRODUCTION. IDLE.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOLOGY, V. 49, NO. 4, OCT. 1953, P. 390

  • Deposit

    CALIF. B. 152, 1950, P. 137; B. 76, 1918, P. 46

General comments

Subject category Comment text
Deposit SEC. 15 , EC. MINERAL MAP OF CALIF., NO. 5 - MANGANESE (1943) SPOTS THIS MINE IN APPROX. SEC. 9 THIS TOWNSHIP; HOWEVER, FROM THE DESCRIPTION IN B. 152 IT WOULD APPEAR TO BE IN APPROX. SEC. 15.NOBLE ELECTRIC STEEL WERE DEVELOPING THIS DEPOSIT IN 1918 (DIV. MINES BULL. 76, P. 46)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-DEC-1977 Killman, K.; Albers, J. 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.