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Gold Hill

Producer in Placer 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. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10110842
MRDS ID W024373
Record type Site
Current site name Gold Hill
Related records 10115601

Geographic coordinates

Geographic coordinates: -120.8752, 39.04545 (WGS84)
Elevation 732
Relative position 1.7 MI BY ROAD N.W. OF YANKEE JIMS, 10 MI. N. TO COLFAX ON THE SOUTHERN PACIFIC.

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Colfax(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(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 Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 014N 010E 20 California

Comments on the location information

  • CROWN POINT MINE WAS PART OF TIPSEY AND COPLEN GROUP. ; INFO FROM LAND.ST :UNDETERMINED

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore

Nearby scientific data

(1) -120.8752, 39.04545
ListMap

Economic information

Ore body information

  • Thickness 4.57M

Comments on the geologic information

  • GEOL.DESC: TWO BEDS OF MANGANESE ORE IN META CHERT CUT BY THICK QUARTZ VEINS AND ENCLOSED IN YELLOW TO GRAY SERICITE SCHIST OR PHYLLITE, WHICH HAVE A GENERAL STRIKE OF N 20 TO 45 W AND DIP 60 TO 75 N.E. ORE BEDS ARE SILICEOUS ORE (MANGANIFEROUS META CHERT) WITH POCKETS AND LENSES OF HIGH GRADE ORE, CUT BY QUARTZ VEINS. ORE IS MOSTLY HARD BLUE-BLACK PSILOMELANE, SOME SOFT, BLACK PYROLUSITE AND A HARD BLACK CRYSTALLINE MINERAL. PINK RHODONITE FRAGMENTS FOUND ON DUMP. AREA HAS BEEN SUBJECTED TO FAULTING.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Reference information

Bibliographic references

  • Deposit

    DOM BULL 152,P 169-170;BULL 125,P 149;BULL 76,P 52;USGS FOLIO 66;

  • Deposit

    DOM SR-67,PL 1;SO PAC CO,MIN FOR IND,N CA,V 2,P 59-60

Reporter information

Type Date Name Affiliation Comment
Reporter 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.