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  3. Mineral Resource Data System (MRDS)

Treat

Past Producer in El Dorado county in California, United States with commodity 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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10101159
MRDS ID C008514
Record type Site
Current site name Treat
Related records 10163299

Geographic coordinates

Geographic coordinates: -120.54629, 38.66073 (WGS84)
Elevation 1036
Relative position 5 MI NNE OF OMO RANCH

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sly Park(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Cosumnes(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Eldorado 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 El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 009N 013E 04 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

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) -120.54629, 38.66073
ListMap

Economic information

Ore body information

  • Strike N
    Dip W
    Depth to top 0M

Economic information about the deposit and operations

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

Comments on the production information

  • A SMALL AMOUNT OF AU WAS PRODUCED IN 1896.

Workings at the site

  • Type of workings Underground
    Area 16.188HA
    Overall depth 30.48M

Comments on the workings information

  • 100 FT VERT SHAFT AND ADITS

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL 52 , NO. 4 , PG 535 .

  • Deposit

    LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PG 268 , PL 2 .

  • Deposit

    LOGAN, C. A., 1927 , EL DORADO CO.: CALIF. STATE MINING BUR., 22ND REPT. STATE MINERALOGIST, P. 435 .

  • Production

    CLARK AND CARLSON, 1956

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1979 Hayden, F. (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.