1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

San Juan Gold Company

Producer in Nevada county in California, United States with commodity Gold
Map
XML
JSON
KML
C
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. Mining district
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10031787
MRDS ID M011405
Record type Site
Current site name San Juan Gold Company

Geographic coordinates

Geographic coordinates: -121.02854, 39.3746 (WGS84)
Relative position SEE OTHER SIDE FOR ADD'L SECS. AND TPS. SEE PL. 3

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nevada City(quadrangle 1:24,000 scale)

Yuba City(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018N 008E 36 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

(1) -121.02854, 39.3746
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name San Juan Ridge

Ownership information

  • Type Operator
    Owner F. L. Morris

Comments on the production information

  • THE MALAKOFF FORMERLY OPERATED BY NO. BLOOMFIELD MINING CO. PRODUCED $2,830,000 1870 TO FEB. 1884; A DRAGLINE DREDGE WAS OPERATED AT THE MALAKOFF FROM 10/16 TO 12/31, 1941 AND YIELD FROM 72,000 CU.YDS. OF GRAVEL WAS 333 OZ. GOLD, 33 OZ. SILVER; IN 1942, YIELD FROM 146,000 CU.YDS. WAS 694 OZ. GOLD AND 64 OZ. SILVER.

Comments on the workings information

  • HYDRAULICKING IN THE PAST; OWNERS WERE CONSIDERING INSTALLATION OF MECHANICAL METHODS IN 1945.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOLOGY, V. 37, NO. 3, JULY 1941, PL. 3

  • Deposit

    D.O.M. BULL. 135, SEC. IV, PP. 266-7

General comments

Subject category Comment text
Deposit SAN JUAN GOLD CO. HAS HOLDINGS OF 5,484 ACRES OF PATENTED MINING CLAIMS, INCLUDING THE MALAKOFF, CENTRAL, CONSOLIDATED, AND WESTERN PLACER MINES (AND OTHERS?). SAMPLING OF THE CHANNEL INDICATES A GOLD CONTENT CONSIDERABLY HIGHER THAN THAT FORMERLY RECOVERED, FOR 100 MILLION CU. YDS. DOWN THE CENTER.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 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.