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Maillard Ranch

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 10030796
MRDS ID M009213
Record type Site
Current site name Maillard Ranch
Related records 10188106

Geographic coordinates

Geographic coordinates: -122.63912, 38.00406 (WGS84)
Relative position 1/2 MI. S. OF WOODACRE. BULL. 125 INDICATES APPROX. LOCATION AS SEC. 13, 2N, 8W, BUT REFERENCE TO CALIF. BASE MAP (1:500,000) AND USGS QUAD. SAN GERONIMO, CALIF., 1954, WOULD INDICATE THE ABOVE LOCATION AS MORE NEARLY CORRECT. 8 MI. N.W. OF SAN RAFAEL

Site location context

Political divisions (FIPS codes)

Marin(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

San Geronimo(quadrangle 1:24,000 scale)

Napa(quadrangle 1:100,000 scale)

Santa Rosa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Tomales-Drake Bays(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 002N 007W 21 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

(1) -122.63912, 38.00406
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: STAINS AND IRREGULAR PATCHES OF MANGANESE OXIDE IN RED JASPER WHICH APPARENTLY HAS BEEN CAUGHT UP AS BLOCKS IN SERPENTINE. MATERIAL IS HIGH IN SILICA.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Marin Municipal Water Co.

Comments on the production information

  • UNDEVELOPED.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 51, NO. 3, JULY 1955, P. 282, PL. 4

  • Deposit

    DOM BULL. 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.