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  3. Mineral Resource Data System (MRDS)

Graves Group

Past Producer in Shasta 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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10033835
MRDS ID M020483
Record type Site
Current site name Graves Group
Alternate or previous names Summit

Geographic coordinates

Geographic coordinates: -122.47193, 40.78207 (WGS84)
Elevation 914
Relative position 4 MILES NW OF KENNETT

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bohemotash Mountain(quadrangle 1:24,000 scale)

Redding(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Sacramento Headwaters(hydrologic unit)

Upper Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Shasta-Trinity 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 Shasta

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 034N 005W 30 California

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore

Analytical data

Result SULFIDE ORE FROM TUNNEL NO. 1 ASSAYED AT 6 - 14 1/2 % CU.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -122.47193, 40.78207
ListMap

Economic information

Ore body information

  • Dip NW
    Thickness 10.67M
    Length 731.52M

Economic information about the deposit and operations

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

Mining district

District name West Shasta Copper-Zinc

Land status

Ownership category National Forest

Comments on the production information

  • NO PRODUCTION REPORTED

Workings at the site

  • Type of workings Underground
    Length 365.76M

Comments on the workings information

  • 3 TUNNELS, ONE 400 FT. LONG WITH A 350 FT. RAISE. TUNNEL NO. 1 ; FIRST 90 FT. THROUGH A SECONDARY DEPOSITION CAUSED BY LEACHING OF ORE BODY, NEXT 50 FT. THROUGH QUARTZITE FOOTWALL WITH NUMEROUS SEAMS BEARING SULFIDE ORE. ORE FOUND IN TUNNEL NO. 3 IN DISSEMINATED STATE.

Reference information

Bibliographic references

  • Deposit

    AUBURY, L. E., 1908 , COPPER RESOURCES IN CALIFORNIA BULL. 50 , CALIF. MIN. BUR., PG. 97 - 98

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1978 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.