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Hopper

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. Reporter information

Geologic information

Identification information

Deposit ID 10031314
MRDS ID M009998
Record type Site
Current site name Hopper
Related records 10115543

Geographic coordinates

Geographic coordinates: -123.08415, 39.32515 (WGS84)
Relative position ONE MI. E. OF POTTER VALLEY POSTOFFICE

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Potter Valley(quadrangle 1:24,000 scale)

Ukiah(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Russian(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 017N 011W 16 California

Comments on the location information

  • SOUTH CENTER OF SECTION 16

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

(1) -123.08415, 39.32515
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: MANGANESE ORE OCCURS IN A BLOCK OF META CHERT IN FRANCISCAN GREENSTONE. THE CHERT IS MASSIVE AND HAS TAKEN ON BRILLIANT VERMILLION AND ORANGE COLORS. IN PLACES A SPHERULITIC STRUCTURE HAS DEVELOPED MANGANESE OXIDE VEINLETS CUT CHERT, AND SOME SMALL POCKETS OF SILICEOUS ORE ARE PRESENT.

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

    CALIFORNIA JOURNAL OF MINES & GEOLOGY, V. 49, NO. 4., OCT. 1953, P. 387

  • Deposit

    D.O.M. BULL. 152, P. 126

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.