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Chaparral Hill

Producer in Siskiyou 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. Host and associated rocks
  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 10111130
MRDS ID W025611
Record type Site
Current site name Chaparral Hill
Related records 10189983

Geographic coordinates

Geographic coordinates: -122.88084, 41.60234 (WGS84)
Elevation 1158
Relative position ON THE TOP OF CHAPPARRAL HILL NEAR THE N.W. END, 2 MI. BY ROAD AND 1.5 MI. BY TRACTOR ROAD S.W. OF FORT JONES.

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Greenview(quadrangle 1:24,000 scale)

Yreka(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Scott(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 043N 009W 09 California

Commodities

Commodity Importance
Manganese Critical Primary

Analytical data

Result AVERAGE GRADE 20 TO 25 PERCENT MANGANESE

Host and associated rocks

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

Nearby scientific data

(1) -122.88084, 41.60234
ListMap

Economic information

Ore body information

  • Thickness 7.62M
    Length 12.19M
    Width 9.14M

Comments on the geologic information

  • GEOL.DESC: SLIGHTLY DISH SHAPED REMNANT OF MORE EXTENSIVE BED OF MANGANIFEROUS CHERT OVERLIES QUARTZ MICA SCHIST, WHICH IS UNDERLAIN, APPARENTLY BY A GNEISSIC QUARTZITE. CHERT AVERAGES 10 FT. IN THICKNESS, WITH 25 FT. MAXIMUM THICKNESS, AND CROPS OUT OVER AN AREA 40 FT. LONG BY 30 FT. WIDE. ORE IS VERY SILICEOUS OXIDE MATERIAL, DISSEMINATED IN RECRYSTALLIZED CHERT, AND ALSO OCCURS AS FILMS ALONG FRACTURES IN CHERT.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 PP. 272 - 273

  • Deposit

    D.O.M. BULL. 125 1943 P. 183

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.