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  3. Mineral Resource Data System (MRDS)

Elder Mine

Occurrence in Placer county in California, United States with commodities Copper, Molybdenum
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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. 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 10032062
MRDS ID M012212
Record type Site
Current site name Elder Mine

Geographic coordinates

Geographic coordinates: -121.08964, 39.00461 (WGS84)
Elevation 472
Relative position 4 1/2 MILES WEST OF CLIPPER GAP.

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lake Combie(quadrangle 1:24,000 scale)

Yuba City(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Placer
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 013N 008E 04 California

Commodities

Commodity Importance
Copper Tertiary
Molybdenum Tertiary

Comments on the commodity information

  • SMALL AMOUNT OF MOLYBDENITE SHOWING IN GRANODIORITE.

Materials information

Materials Type of material
Chalcopyrite Ore
Malachite Ore
Pyrite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -121.08964, 39.00461
ListMap

Economic information

Ore body information

  • Strike N 5 W
    Dip 80 E

Comments on the geologic information

  • GEOL.DESC: FOOTWALL PROBABLY SLATE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Owner
    Owner Robert Elder
    First year 1908

Workings at the site

  • Type of workings Underground
    Length 7.62M
    Overall depth 7.62M

Comments on the workings information

  • 25 FT. VERTICAL SHAFT.

Reference information

Bibliographic references

  • Deposit

    AUBURY, L. E., 1908 , COPPER RESOURCES OF CALIFORNIA BULL. 50 ; CALIF. MIN. BUR., P. 210

  • Deposit

    WARING, C. A., 1919 , PLACER COUNTY; 15TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 329 .

  • Deposit

    15TH REPT. OF STATE MINERALOGIST, P. 329

General comments

Subject category Comment text
Deposit 300 ACRES IN PLACER COUNTY, AND 60 ACRES IN NEVADA COUNTY. MUCH CONFUSSION ON LOCATION, MANY REFERENCES DISAGREE. LOCATION ON THIS REPORT IS A APPROXIMATION BY THE POSITION FROM NEAREST PROMINENT LOCATION.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-NOV-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.