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  3. Mineral Resource Data System (MRDS)

Downs

Past Producer in Amador 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. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10028307
MRDS ID M005208
Record type Site
Current site name Downs
Related records 10284248

Geographic coordinates

Geographic coordinates: -120.60518, 38.46101 (WGS84)
Elevation 732
Relative position ABOUT 2 MILES E. OF VOLCANO

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

West Point(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Mokelumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Amador

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 007N 012E 13 California

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • SULFIDES ASSOCIATED WITH ORE

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -120.60518, 38.46101
ListMap

Economic information

Ore body information

  • Thickness 1.22M

Comments on the geologic information

  • GEOL.DESC: SLATE FOOTWALL, GREENSTONE HANGING WALL; VEIN IN FOOTWALL, COMPOSED OF CRUSHED SLATE GOUGE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1877
Production years 1877 - 1884

Ownership information

  • Type Owner
    Owner Peter Barone
    First year 1953

Comments on the production information

  • CLAIM OF 17 ACRES. NO EVIDENCE OF AU IN 13

Workings at the site

  • Type of workings Underground
    Area 6.88HA

Comments on the workings information

  • 2 SHAFTS 433 , 420 FT; 3 ORE SHOOTS 250 , 250 , 60 FT.

Reference information

Bibliographic references

  • Deposit

    CARLSON, D.W. AND CLARK, W.B., 1954 , MINES AND MIN. RES. OF AMADOR COUNTY, CAL.: CJMG VOL. 50 , P. 243

  • Deposit

    IRELAND, WM. JR., 1887 , SIXTH REPT. OF THE STATE MINERALOGIST: CMB REPT 6, P. 20 - 21

  • Production

    IRELAND, WM. JR., 1887

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-APR-1978 Tatkin, T.; 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.