1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Boyer Mine

Producer in Sonoma county in California, United States with commodity Manganese
Map
XML
JSON
KML
C
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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10109395
MRDS ID M020241
Record type Site
Current site name Boyer Mine
Related records 10287644

Geographic coordinates

Geographic coordinates: -123.00997, 38.67432 (WGS84)
Relative position 10 MI. N. W. OF GEYSERVILLE

Site location context

Political divisions (FIPS codes)

Sonoma(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Warm Springs Dam(quadrangle 1:24,000 scale)

Point Arena(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 010N 010W 31 California

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert

Nearby scientific data

(1) -123.00997, 38.67432
ListMap

Economic information

Ore body information

  • Thickness 1.83M

Comments on the geologic information

  • GEOL.DESC: UPPER ORE BODY TRENDS N 20 W, DIPS 60 TO 70 E., AND IS ABOUT 6 FT. THICK. COUNTRY ROCK IS WELL-BEDDED CHERT AND SHALE. SANDSTONE HAS BEEN FAULTED INTO ITS PRESENT POSITION. DISPLACEMENTS ON SHEARING PLANES MAKE RELATIONS INDETERMINABLE. SMALL BODY OF SOFT ORE IS BETWEEN SANDSTONE AND CHERT. LOWER ORE OCCURS IN SHEAR ZONES IN CHERT. ORE IS MAINLY PSILOMELANE WITH A LITTLE PYROLUSITE, AND A SMALL AMOUNT OF HYDROUS MANGANESE SILICATE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 283

  • Deposit

    D.O.M. BULL. 125 1943 P. 186

General comments

Subject category Comment text
Deposit UPPER ORE BODY TRENDS N 20 W, DIPS 60 TO 70 E., AND IS ABOUT 6 FT. THICK. COUNTRY ROCK IS WELL-BEDDED CHERT AND SHALE. SANDSTONE HAS BEEN FAULTED INTO ITS PRESENT POSITION. DISPLACEMENTS ON SHEARING PLANES MAKE RELATIONS INDETERMINABLE. SMALL BODY OF SOFT ORE IS BETWEEN SANDSTONE AND CHERT. LOWER ORE OCCURS IN SHEAR ZONES IN CHERT. ORE IS MAINLY PSILOMELANE WITH A LITTLE PYROLUSITE, AND A SMALL AMOUNT OF HYDROUS MANGANESE SILICATE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1978 Killman, K.; Albers, J. U.S. Geological Survey CHECKED HOST ROCK TYPE AND AGE, ASSOCIATED ROCK TYPE AND AGE.
Updater 07-OCT-1991 Mosier, Dan U.S. Geological Survey REPLACING LOST LOCATION.
Updater 10-NOV-1997 Oland, G. P. (Orris, Greta J.) U.S. Geological Survey OLAND AND ORRIS MERGED RECORDS
Updater 08-MAY-1998 Mason, George 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.