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

Camanche-Lancha Plana

Producer in Amador county in California, United States with commodities Gold, Platinum
Map
XML
JSON
KML
B
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. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10038064
MRDS ID M045335
Record type Site
Current site name Camanche-Lancha Plana
Alternate or previous names Mokelumne River

Geographic coordinates

Geographic coordinates: -120.93685, 38.22019 (WGS84)
Elevation 44
Location accuracy 100(meters)
Relative position ON MOKELUMNE RIVER 12 MI UPSTREAM FROM LANCHA PLANA TO CLEMENTS, Accurate Within Dredged Area, Accurate Within Dredged 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 Amador
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004N;004N;004N 008E;009E;010E California

Commodities

Commodity Importance
Gold Primary
Platinum Critical Secondary

Materials information

Materials Type of material
Gold Ore

Analytical data

Result PGE SAMPLE AVERAGED 50% PT (LOGAN). 850-900 AU FINENESS. 0.0028-0.0071 OZ/YD (48-120 PPB)

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 Host
    Rock type Unconsolidated Deposit > Gravel
    Rock unit name Ione Formation
    Rock description Ione Formation
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) Miocene nonmarine rocks
ListMap

Economic information

Ore body information

  • General form STREAM SEDIMENT DEPOSITS
    Thickness 15.24M

Controls for ore emplacement

  • Stream Hydraulics

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1849

Mining district

District name Camanche (Mokelumne River) District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Gold Hill Dredging Co.
    First year 1951

Reference information

Bibliographic references

  • Deposit

    CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 33.

  • Deposit

    LOGAN, C.A. 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 31-32.

  • Deposit

    CLARK, W.B., 1970, PLATINUM: CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL INFORMATION SERVICE, V. 23, NO. 6, P. 116.

  • Deposit

    CLARK, W.B., AND LYDON, P.A., 1962, MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPORT 2, P. 192.

  • Deposit

    LOGAN, C.A., AND FRANKE, HERBERT, 1936, MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32, NO. 3, P. 333-334, 336-337.

  • Deposit

    LOGAN, C.A., 1925, CALAVERAS COUNTY: CALIFORNIA STATE MINING BUREAU, 21ST REPORT OF THE STATE MINERALOGIST, P. 162.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-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.