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  3. Mineral Resource Data System (MRDS)

Keystone

Past Producer in Del Norte county in California, United States with commodities Copper, Iron
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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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10029762
MRDS ID M007526
Record type Site
Current site name Keystone
Related records 10115127

Geographic coordinates

Geographic coordinates: -123.96394, 41.99288 (WGS84)
Relative position SE1/4 SW1/4

Site location context

Political divisions (FIPS codes)

Del Norte(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

High Plateau Mountain(quadrangle 1:24,000 scale)

Happy Camp(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Smith(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Six Rivers National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Del Norte

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 019N 002E 32 California

Commodities

Commodity Importance
Copper Primary
Iron Tertiary

Comments on the commodity information

  • MAGNETIC IRON ALSO APPEARS IN THE CLAIMS

Materials information

Materials Type of material
Copper Ore

Analytical data

Result 62 % CU REPORTED

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -123.96394, 41.99288
ListMap

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Diamond Creek

Land status

Ownership category National Forest

Comments on the production information

  • 5 TONS OF HIGH-GRADE ORE SHIPPED. IDLE.

Comments on the workings information

  • SHORT ADITS AND OPEN CUTS

Reference information

Bibliographic references

  • Deposit

    AUBURY, L.E., 1908 : COPPER RESOURCES OF CALIFORNIA BULL. 50 : CALIF. MIN. BUR., P. 138

  • Deposit

    J.C. O'BRIEN, 1952 ; MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY; CALIF. JOUR. OF MINES AND GEOLOGY, VOL. 48 , NO. 4 ; DIV. OF MINES, P. 297

General comments

Subject category Comment text
Deposit MINE SYMBOL ON TOPO MAP; IT IS LIKELY THIS IS UNNAMED MINE ON PL. 11, USGS B. 995-C, WHICH DOES NOT SHOW CU IN SEC. 32

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-JAN-1979 Fraticelli, L. A. (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.