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  3. Mineral Resource Data System (MRDS)

Italion

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. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10028167
MRDS ID M005006
Record type Site
Current site name Italion
Alternate or previous names Black Hills
Related records 10184052

Geographic coordinates

Geographic coordinates: -120.83102, 38.44379 (WGS84)
Relative position ABOUT 1 MILE NE OF DRYTOWN

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Amador City(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 010E 24 California

Comments on the location information

  • SW 1/4 SEC. 24

Commodities

Commodity Importance
Gold Primary

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) -120.83102, 38.44379
ListMap

Economic information

Ore body information

  • Strike N
    Dip 70 E

Comments on the geologic information

  • GEOL.DESC: FREE GOLD IN QUARTZ VEIN BETWEEN SLATE HANGING WALL, GREENSTONE FOOTWALL; VEIN AVERAGES 10 FT. IN THICKNESS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1865
Production years INTERMITTANTLY 1860'S TO 1940

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Black Hill Mining Co.
    Home office C/O William Tam

Comments on the production information

  • MINE BEGAN PRODUCING GOLD IN EARLY 1860'S, WORKED FOR A SHORT PERIOD DURING 1890; REACTIVATED IN 1932 AND OPERATED UNTIL 1940. NO PRODUCTION SINCE 1940 HAS BEEN RECORDED. PRODUCED $140,000 FROM 1932-1940. CONSIDERABLE EQUIPMENT REMAINS ON THE PROPERTY. COPPER PRODUCTION LESS THAN 100,000 LBS. SOME MILLING ORE TESTED IN 1954 AND GOLD AND SILVER PRODUCTS FROM AMALGAM AND CONCENTRATE

Comments on the workings information

  • SEVERAL THOUSAND FEET OF CROSSCUTS, WINZES, DRIFTS AND STOPES.

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. 181

  • Deposit

    IRELAND, WM. JR., 1890 , TENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 10 , P. 115 - 116

  • Deposit

    LOGAN, C.A., 1934 , MOTHER LODE GOLD BELT OF CAL: CJMG VOL. 50 , P. 85 , 119

  • Production

    CARLSON, D.W. AND CLARK W.B., 1954

General comments

Subject category Comment text
Deposit Discovery Year: 1860'S

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.

External references

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.