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Black Horse

Producer in Santa Clara 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. Land status
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10111038
MRDS ID W025092
Record type Site
Current site name Black Horse
Related records 10213928

Geographic coordinates

Geographic coordinates: -121.4463, 37.37242 (WGS84)
Elevation 707
Relative position S.W. SIDE OF BEAUREGARDE CREEK, ABOUT 500 FT. S.E. OF THE JUNCTION OF THE N. AND S. FORKS.

Site location context

Political divisions (FIPS codes)

Santa Clara(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Stakes(quadrangle 1:24,000 scale)

San Jose(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco 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 Santa Clara

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006S 005E 32 California

Comments on the location information

  • LOCATED IN NE 1/4 SECTION 32

Commodities

Commodity Importance
Manganese Critical Primary

Analytical data

Result AVERAGE 20 PERCENT MANGANESE

Nearby scientific data

(1) -121.4463, 37.37242
ListMap

Economic information

Ore body information

  • Strike N 25 TO 45 W
    Dip 65 TO 85 N
    Length 36.58M
    Width 1.52M

Comments on the geologic information

  • GEOL.DESC: MANGANESE ORE IN SINGLE BED STRIKES N 25 TO 45 W. AND DIPS 65 TO 85 N. HANGING WALL IS RED SHALE OVERLAIN BY MASSIVE WHITE CHERT. FOOTWALL IS MASSIVE WHITE CHERT STAINED WITH MANGANESE OXIDE. MOST ORE IS LOW GRADE OXIDE,BUT FEW POCKETS OF HIGH GRADE OXIDE UP TO 4 1/2 FT. DIAMETER ARE PRESENT. ORE BODY IS EXPOSED FOR 120 FT., WITH MAXIMUM WIDTH OF 5 FT, AND PINCHES OUT TO THE N.W.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 PP. 247 - 248

  • Deposit

    D.O.M. BULL. 125 1943 P. 175

  • Deposit

    CALIF. JOUR. MINES & GEO., V. 50 , NO. 2 , APR. 1954 P. 412

  • Deposit

    U.S.B.M. R.I. 5254

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.