Mammoth Group

Past Producer in Nevada county in California, United States with commodities Gold, Copper, Silver
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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  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 10035002
MRDS ID M022113
Record type Site
Current site name Mammoth Group

Geographic coordinates

Geographic coordinates: -120.52046, 39.3635 (WGS84)
Elevation 1902
Relative position S. FLANK OLD MAN MT.

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cisco Grove(quadrangle 1:24,000 scale)

Truckee(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

Tahoe 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 Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 017N 013E 04 California

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Silver Secondary

Comments on the commodity information

  • ORE VALUED AT $15 AU, 4 % CU

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Economic information

Ore body information

  • Strike NW
    Dip SW
    Depth to top 0M

Comments on the geologic information

  • IRON-STAINED PORPHYRY

Economic information about the deposit and operations

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

Mining district

District name Meadow Lake

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 106.68M
    Overall depth 86.87M

Comments on the workings information

  • SHAFT, DRIFTS, 2 ADITS

Reference information

Bibliographic references

  • Deposit

    MAC BOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 195

General comments

Subject category Comment text
Deposit PATENTED 80 ACRES MADE UP OF SEVERAL LOCATIONS ; INFO.SRC : 1 PUB LIT
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Bowman, J. And Albers, J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.