Cape Horn Occurrence

Occurrence in Placer county in California, United States with commodity Manganese
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 10032098
MRDS ID M012320
Record type Site
Current site name Cape Horn Occurrence
Related records 10115942

Geographic coordinates

Geographic coordinates: -120.93297, 39.11156 (WGS84)
Relative position NE1/4 OF SECTION? IN FACE OF CLIFF AT CAPE HORN ON PROPERTY OWNED BY DANIEL RUSSELL (1891)

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 015N 009E 35 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

(1) -120.93297, 39.11156

Economic information

Comments on the geologic information

  • GEOL.DESC: EXPOSURE OF A SERIES OF SLATY AND SCHISTOSE STRATA, FREQUENTLY MICACEOUS AND CONTAINING NUMEROUS VEINS AND LENTICULAR LAYERS OF QUARTZ. ROCKS STRIKE NW AND DIP ALMOST VERTICALLY. MANGANESE IS SEEN IN MANY PLACES NEAR BASE OF THE HILL AND OCCURS IN THE FORM OF BLACK OXIDE IN THIN SEAMS FROM 1/16 TO 1/8 INCHES IN THICKNESS. IT COMMONLY FORMS A NETWORK OF THIN VEINS BUT QUANTITY OF ORE DISCOVERED IS SMALL.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    DOM BULL 152, P 168; BULL. 125, P. 149

  • Deposit

    USGS FOLIO 66

  • Deposit

    USBM RI 5579, P. 11

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 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.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.