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  3. Mineral Resource Data System (MRDS)

Rowan Deposit

Occurrence in Sonoma 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 10033636
MRDS ID M020250
Record type Site
Current site name Rowan Deposit

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -122.88888, 38.52803 (WGS84)
Relative position Original record had no coordinates, so this was plotted to the middle of the state/county area.

Site location context

Political divisions (FIPS codes)

Sonoma(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Guerneville(quadrangle 1:24,000 scale)

Healdsburg(quadrangle 1:100,000 scale)

Santa Rosa(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 Sonoma

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo California

Comments on the location information

  • MAY BE SAME AS DREAMLAND DEPOSIT IN SONOMA COUNTY.

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result ORE GRADE 50 PERCENT MANGANESE, 10 PERCENT SILICA.

Nearby scientific data

Centroid (1) -122.88888, 38.52803
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: DEPOSIT IS A BED.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    TRASK, PARKER. NOTES ON THE MANGANESE RESOURCES OF CALIF., 1944 , UNPUB

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-78 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.