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  3. Mineral Resource Data System (MRDS)

Atlas Gold Dredging Corp

Past Producer in Calaveras county in California, United States with commodities Gold, Platinum
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10038065
MRDS ID M045337
Record type Site
Current site name Atlas Gold Dredging Corp
Related records 10114652

Geographic coordinates

Geographic coordinates: -120.96741, 38.20269 (WGS84)
Elevation 107
Location accuracy 100(meters)
Relative position IN OLD MOKELUMNE RIVER DRAINAGE SOUTH OF PRESENT RIVER BED, 1-2 MI SOUTHWEST OF CAMANCHE, Accurate Within Dredging Area, Accurate Within Dredging Area, Accurate Within Dredging Area

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wallace(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004N 009E 12,13,14,15 California

Comments on the location information

  • LOCATION GIVEN IS EXPOSED TAILINGS NORTHEAST OF WALLACE IN SEC. 15

Commodities

Commodity Importance
Gold Primary
Platinum Critical Secondary

Comments on the commodity information

  • UNVERIFIED REPORT OF PT IN BLACK SAND CONCENTRATES

Materials information

Materials Type of material
Gold Ore

Analytical data

Result GOLD IS FINE

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Associated
    Rock type Unconsolidated Deposit > Volcanic Ash
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Pleistocene
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Rock unit name Ione Formation
    Rock description Ione Formation

Nearby scientific data

(1) -120.96741, 38.20269
ListMap

Economic information

Ore body information

  • General form PROBABLY THIN LAYERS
    Thickness 7.62M

Controls for ore emplacement

  • Winnowing Action Of Waves, Stream Hydraulics

Comments on the geologic information

  • APPARENTLY THE GOLD AND PLATINUM VALUES WERE FOUND IN AN OLD RIVER BED OF THE MODELUMNE RIVER WHICH LAY WITHIN THE IONE FORMATION

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Year of first production 1935

Mining district

District name Camanche District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Atlas Gold Dredging Co.
    First year 1936
  • Type Owner
    Owner Calaveras Gold Dredging Co.
    First year 1936

Comments on the production information

  • GOLD PROBABLY AVERAGES $.25/YD

Comments on the reserve resource information

  • FOUR MILLION YD SHORELINE GRAVELS AVAILABLE

Workings at the site

  • Type of workings Surface
    Area 97.128HA

Comments on development

  • PLANT DESIGNED TO HANDLE 3000-4000 YD/DAY INACTIVE AFTER 1949

Reference information

Bibliographic references

  • Deposit

    LOGAN, C.A., AND FRANKE, H.A., 1936, MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32, NO. 3, P. 326.

  • Deposit

    CLARK, W.B., AND LYDON, P.A., 1962, MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY: CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPT. 2, P. 85, 189.

General comments

Subject category Comment text
Deposit SEE ALSO: MRDS MO45335, M045333.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-74 Blair, Will N. U.S. Geological Survey
Updater 01-JAN-89 Peterson, Jocelyn A. 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.