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Bald Steer

Occurrence in Trinity 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. Ore body information
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10033668
MRDS ID M020297
Record type Site
Current site name Bald Steer

Geographic coordinates

Geographic coordinates: -123.22389, 40.01791 (WGS84)
Relative position ON BRUSHY MOUNTAIN, ABOUT 25 MI. FROM COVELO. ON A RIDGE WHOSE SUMMIT IS DETERMINED BY OUTCROPPING ORE ZONE AND ENCLOSING CHERTS.

Site location context

Political divisions (FIPS codes)

Trinity(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Four Corners Rock(quadrangle 1:24,000 scale)

Garberville(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Eel(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Trinity

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 025N 012W 17 California

Comments on the location information

  • LOCATED IN S. E. 1/4 SECTION 17

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result ORE GRADE 28.7 PERCENT MANGANESE, 45.6 PERCENT SILICA.

Nearby scientific data

(1) -123.22389, 40.01791
ListMap

Economic information

Ore body information

  • Thickness 2.44M

Comments on the geologic information

  • GEOL.DESC: LENSES AND POCKETS OF MANGANESE ORE IN MASSIVE GREY AND WHITE CHERT BED ENCLOSED IN THIN-BEDDED PINK TO RED RADIOLARIAN CHERT. TO THE N. PART OF CLAIM CHERTS STRIKE N 20 E AND DIP 30 TO 35 W. ON THE S. PART, THE STRIKE CHANGES ABRUPTLY TO N 50 E WITH NEAR VERTICAL DIP. ORE BODY, 5 TO 8 FT. THICK IS EXPOSED, AND SMALLER ORE BODIES 15 FT. STRATIGRAPHICALLY ABOVE MAIN ORE ZONE ARE SEPARATED FROM IT BY 15 FT. OF THIN-BEDDED CHERT. ORE IS BLACK OXIDE WITH CORES OF SILICA SKELETONS WITH OCCASIONAL SOLID CHERTY SILICA CONTAINING SPHERICAL CAVITIES. THIS INDICATES PRIMARY MINERAL WAS RHODOCHROSITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 304

  • Deposit

    D.O.M. BULL. 125 1943 P. 194

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1978 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.