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  3. Mineral Resource Data System (MRDS)

Alta

Past Producer in Del Norte county in California, United States with commodity Copper
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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. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10029621
MRDS ID M007289
Record type Site
Current site name Alta
Alternate or previous names Alta California
Related records 10163147

Geographic coordinates

Geographic coordinates: -124.03366, 41.9051 (WGS84)
Relative position 9 MILES EAST OF SMITH RIVER

Site location context

Political divisions (FIPS codes)

Del Norte(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

High Divide(quadrangle 1:24,000 scale)

Crescent City(quadrangle 1:100,000 scale)

Crescent City(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 018N 001E 35 California

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • LOW GRADE AT DEPTH

Analytical data

Result 15 - 18 % CU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -124.03366, 41.9051
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 Low Divide

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner John I. Noce

Comments on the production information

  • SHIPPED HIGH-GRADE ORE TO FOREIGN SMELTERS PRIOR TO 1867. RECORD OF SHIPMENTS SHOW RETURNS OF $41 TO $102 PER TON. WORKINGS WERE BEING RE-OPENED IN 1951.

Workings at the site

  • Type of workings Underground
    Overall depth 138.68M

Comments on the workings information

  • INCLINED SHAFT AT 63 DEG., DRIVEN N 48 E AND 455 FT. DEEP, 5 LEVELS AT 96 , 112 , 162 , 228 AND 324 FT. ORE WAS STOPED FROM DRIFTS ON ALL EXCEPT BOTTOM LEVEL.

Reference information

Bibliographic references

  • Deposit

    AUBURY, L.E., 1908 , COPPER RESOURCES OF CALIFORNIA BULL. 50 : CALIF. MIN. BUR., P. 136 - 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. 276

  • Production

    J.C. O'BRIEN, P. 276

General comments

Subject category Comment text
Deposit ONE OF THE FIRST COPPER MINES IN CALIFORNIA. COMPRISED OF 74.36 ACRES.

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.

External references

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.