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  3. Mineral Resource Data System (MRDS)

Martinez Hillside Group

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 10029874
MRDS ID M007700
Record type Site
Current site name Martinez Hillside Group

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -120.82548, 38.63389 (WGS84)
Relative position Original record had no geographic coordinates; these coordinates were derived from the PLSS description provided.

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Placerville(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)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 009N 010E 12,13 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Centroid (1) -120.82548, 38.63389
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Martinez Gold Mines Co.

Comments on the production information

  • OPERATED BY HILLSIDE GOLD MNG. CO. IN 1915. WORKED ON SMALL SCALE AROUND 1926 AND AGAIN DURING EARLY 1930'S. IN 1937 SOME DEVELOPMENT WORK DONE ON LOWER WORKINGS AND A SMALL AMOUNT OF ORE WAS PRODUCED. ORE MINED IN 1917 YIELDED $4.12 PER TON.

Comments on the workings information

  • A 600-FT. CROSSCUT ADIT WITH NUMEROUS RAISES AND DRIFTS; ANOTHER 600-FT. CROSSCUT ADIT SOUTH OF THIS AND ON THE HILL ABOVE ARE A NUMBER OF OLDER WORKINGS.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 52, NO. 4, PP.419, 517, PL.10; V.34, NO.3, P.264, PL.II

  • Deposit

    DOM BULL.108,PL. 2

General comments

Subject category Comment text
Deposit HOLDINGS OF 96 ACRES. APPARENTLY HOLDINGS INCLUDE THE BISMARCK, GOLD REEF, HILLSIDE EXT. AND HILLSIDE EXT. #3, AND THE MARTINEZ. POSSIBLY INCLUDES OTHER CLAIMS AS P. 430, REPORT OF STATE MINERALOGIST XXII SHOWS AREA OF 132 ACRES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-72 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.