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  3. Mineral Resource Data System (MRDS)

Eureka Group

Occurrence in Trinity 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Land status
  10. Workings at the site
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10034201
MRDS ID M020926
Record type Site
Current site name Eureka Group
Related records 10117657

Geographic coordinates

Geographic coordinates: -122.70778, 41.06651 (WGS84)

Site location context

Political divisions (FIPS codes)

Trinity(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Carrville(quadrangle 1:24,000 scale)

Mount Shasta(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Trinity(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(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 Trinity

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 037N 007W 17,18 California

Comments on the location information

  • UTM EST. LAND STATUS VALUE CALCULATED 7-94 USING GIS OVERLAY ANALYSIS WITH USFS LAND OWNERSHIP BOUNDARIES, 1:126,720 SCALE.

Commodities

Commodity Importance
Copper Tertiary

Nearby scientific data

(1) -122.70778, 41.06651
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 15.24M

Comments on the workings information

  • ONE TUNNEL

Reference information

Bibliographic references

  • Deposit

    BROWN, G.C., 1916 : TRINITY COUNTY: 14TH REPT. STATE MIN.: CALIF. MIN. BUR., P. 879

  • Deposit

    ERIC, J.H., 1948 : COPPER IN CALIFORNIA BULL. 144 : DIV. OF MINES, P. 350

General comments

Subject category Comment text
Deposit SILICEOUS ORE WITH SMALL PERCENTAGE OF COPPER SULFIDES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-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.