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  3. Mineral Resource Data System (MRDS)

Alderson

Occurrence in El Dorado county in California, United States with commodity Gold
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Links to other databases
  10. General comments
  11. Reporter information

Geologic information

Identification information

Deposit ID 10092176
MRDS ID M008170
Record type Site
Current site name Alderson

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -120.76925, 38.70527 (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)

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 010N 011E 16,17,21 California

Commodities

Commodity Importance
Gold Primary

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

General comments

Subject category Comment text
Deposit THREE LOCATIONS SHOWN ON P. 173, USGS PROF. PAPER 73, ONE AREA IN NE1/4 SEC. 17 AND ANOTHER IN THE CENTER OF THE W1/2 OF THAT SECTION; THE OTHER A SMALL AREA IN SW1/4 SW1/4 16 AND NW1/4 NW1/4 SEC. 21. IN CALIF. JOUR. MINES & GEOL. V. 34, NO. 3, PL. II, THERE IS A THOMAS ALDERSON CLAIM OF 80 ACRES SHOWN IN THE S1/2 NE1/4 SEC. 17. SOME OF THE AREA MAY NOW BE LISTED UNDER OTHER NAMES;AND THE ALDERSON MANGANESE DEPOSIT MAY LIE WITHIN SOME OF THE AREA SHOWN.

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.