Nichelini

Occurrence in Napa county in California, United States with commodity Manganese
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. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10095108
MRDS ID M010706
Record type Site
Current site name Nichelini

Geographic coordinates

Geographic coordinates: -122.31023, 38.501 (WGS84)

Site location context

Political divisions (FIPS codes)

Napa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chiles Valley(quadrangle 1:24,000 scale)

Healdsburg(quadrangle 1:100,000 scale)

Santa Rosa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Pablo Bay(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Napa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 008N 004W 33 California

Comments on the location information

  • UTM APPROX. ; INFO FROM LAND.ST :UNDETERMINED

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

(1) -122.31023, 38.501

Economic information

Comments on the geologic information

  • GEOL.DESC: SOFT MANGANESE DIOZIDE HAS HIGH SILICA CONTENT DUE TO PRESENCE OF CORES OF WHITE POROUS SILICA.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Nichelini, A.

Comments on the production information

  • NO PRODUCTION.

Reference information

Comments on the other database information

  • RECORD NUMBER MP00069 IS A POTENTIAL DUPLICATE OF THIS RECORD

Bibliographic references

  • Deposit

    CALIF. BULL. 125, 1943, P. 146

  • Deposit

    BULL. 152, 1950, P. 159

General comments

Subject category Comment text
Deposit A TRENCH SHOULD BE CUT ACROSS THE OUTCROP TO DETERMINE WHETHER GOOD ORE IS ASSOCIATED WITH THE MORE RESISTANT SILICEOUS MATERIAL, THOUGH IT SEEMS PROBABLE THAT THE PROSPECT IS VALUELESS.

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.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.