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  3. Mineral Resource Data System (MRDS)

Petaluma - Pt. Reyes

Occurrence in Marin 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. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10030800
MRDS ID M009222
Record type Site
Current site name Petaluma - Pt. Reyes
Related records 10163798

Geographic coordinates

Geographic coordinates: -122.67328, 38.16822 (WGS84)
Relative position 1 MI. S. OF UNION SCHOOL

Site location context

Political divisions (FIPS codes)

Marin(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Petaluma(quadrangle 1:24,000 scale)

Napa(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 Marin

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004N 007W 30 California

Comments on the location information

  • LOCATED IN N 1/2 SECTION 30 , UTM APPROX

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

(1) -122.67328, 38.16822
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: MASSIVE MANGANESE ORE BED TRACED 40 FT. ON SURFACE, AT LEAST 3 FT. THICK. THE BLACK MANGANESE ORE HAS IRON STAINED SPHERULES OF SILICA. SILICA CONTENT PROBABLY 20 TO 35 PERCENT.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Respini And Morelli

Comments on the production information

  • UNDEVELOPED

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 51, NO. 3, JULY 1955, P. 282

  • Deposit

    DOM 125, P. 131

  • Deposit

    D.O.M. BULL. 152 1950 P. 106

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.