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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Mammoth Gold Copper

Occurrence in Nevada county in California, United States with commodities Copper, Gold
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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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  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 10031679
MRDS ID M010862
Record type Site
Current site name Mammoth Gold Copper
Related records 10188605

Geographic coordinates

Geographic coordinates: -121.1441, 39.34932 (WGS84)
Relative position 2 1/2 MILES SW OF NORTH SAN JUAN

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

French Corral(quadrangle 1:24,000 scale)

Yuba City(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 017N 007E 12 California

Commodities

Commodity Importance
Copper Tertiary
Gold Tertiary

Analytical data

Result 2 % CU, $3 IN AU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -121.1441, 39.34932
ListMap

Economic information

Ore body information

  • Strike N
    Dip 85 E

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name North San Juan

Ownership information

  • Type Operator
    Owner G. W. Broyles
    First year 1908

Comments on the production information

  • NO PRODUCTION RECORDED.

Workings at the site

  • Type of workings Underground
    Length 12.19M

Comments on the workings information

  • 40 FT. ADIT NEAR LEVEL OF YUBA RIVER, EXPOSING VEIN

Reference information

Bibliographic references

  • Deposit

    AUBURY, L.E., 1908 , COPPER RESOURCES OF CALIFORNIA BULL. 50 ; CALIF. MIN. BUR., P. 204

  • Deposit

    MAC BOYLE, E., 1918 , MINES AND MINERAL RESOURCES OFNEVADA COUNTY; 16 TH REPT. STATE MIN.; CALIF. MIN. BUR., P. 87

  • Deposit

    D.O.M. BULL. 50, P. 204

General comments

Subject category Comment text
Deposit COMPRISED OF 60 ACRES.

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.