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  3. Mineral Resource Data System (MRDS)

Hart

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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10007013
MRDS ID C007997
Record type Site
Current site name Hart
Related records 10162608

Geographic coordinates

Geographic coordinates: -120.85324, 38.86767 (WGS84)
Elevation 628
Relative position BETWEEN MANHATTEN AND EMPIRE CREEKS 1 MI. NNE OF GARDEN VALLEY

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Garden Valley(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 012N 010E 27 California

Comments on the location information

  • UTM ACC. NE 1/4 OF NW 1/4 SEC.

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • AVERAGE GOLD RECOVERY FOR 4 YEARS PRIOR TO 1938 WAS $5 PER TON

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Nearby scientific data

(1) -120.85324, 38.86767
ListMap

Economic information

Ore body information

  • Length 182.88M
    Width 3.66M
    Depth to top 0M

Comments on the geologic information

  • SEAM DEPOSIT, LATER VEIN DEPOSIT OF VEINS IN AMPHIBOLITE SCHIST

Economic information about the deposit and operations

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

Workings at the site

  • Type of workings Surface/Underground
    Overall length 53.34M
    Overall width 15.24M

Comments on the workings information

  • DEVELOPED AT FIRST BY HYDRAULICKING WITH PIT 40 FT. DEEP, THEN BY AN ADIT, 2 DRIFT ADITS, 2 SHAFTS OF 200 AND 300 FT. DEPTH, DRIFTS AND RAISES ALSO

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. 436 - 437 , 570 AND PL. 10 .

  • Deposit

    LOGAN, C. A., 1935 , MOTHER LODE GOLD BELT IN CALIF.; CALIF. DIV. OF MINES, BULL. 108 , PG. 47 .

  • Deposit

    LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PG. 233 .

General comments

Subject category Comment text
Deposit VEIN, SEAM BELT, FOUR PARALLEL SYSTEMS OF VEINS AND STRINGERS PARALLEL TO SEAM ZONE DIMENTIONS GIVEN ARE FOR SEAM BELT ( 600 , 12 )
Deposit MINE IN SEAM BELT JUST N OF SPLIT IN MOTHER LODE BELT AT GARDEN VALLEY ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Mateik, R.; Albers, John P. U.S. Geological Survey PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Editor 27-APR-1995 Mosier, Dan 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.