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  3. Mineral Resource Data System (MRDS)

Hart

Occurrence 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10030077
MRDS ID M007997
Record type Site
Current site name Hart

Geographic coordinates

Geographic coordinates: -120.84519, 38.86073 (WGS84)
Relative position NW1/4. THIS IS IN THE SEAM BELT, AND IS LOCATED BETWEEN MANHATTAN AND EMPIRE CREEKS. CLAIM COMPRISES 40 ACRES.

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)

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

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

(1) -120.84519, 38.86073
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Daniel Gellermann

Comments on the production information

  • WORKED IN EARLY DAYS BY HYDRAULIC MINING. LATER DEPOSIT PROSPECTED AND A MILL WAS ERECTED IN 1930. PROPERTY WAS WORKED INTERMITTENTLY UNTIL 1939. AVERAGE GOLD RECOVERY OF ORE MINED FOR THE 4 YEARS PRIOR TO 1938 WAS $5 PER TON.

Comments on the workings information

  • OPEN PIT 175 FT. LONG, 50 FT. WIDE, 40 FT. DEEP; TWO DRIFTS ADITS; TWO SHAFTS, 200 AND 300 FT. IN DEPTH.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 52, NO. 4, PP. 436-7, 570, PL. 10; V. 34, NO. 3, PL. II

General comments

Subject category Comment text
Deposit DEPOSIT IS ON THE SAME BELT OF AMPHIBOLITE SCHIST THAT CONTAINS THE ALPINE AND BLACK OAK GOLD MINES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. 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.