1. Mineral Resources
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  3. Mineral Resource Data System (MRDS)

True Friend and Silver Moon Mine

Occurrence in Imperial county in California, United States with commodities Silver, Lead
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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. Ore body information
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10064346
MRDS ID TC38689
Record type Site
Current site name True Friend and Silver Moon Mine
Related records 10285397

Geographic coordinates

Geographic coordinates: -114.91191, 33.18812 (WGS84)
Relative position 4 MI SE OF MIDWAY WELL.

Site location context

Political divisions (FIPS codes)

Imperial(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Barrow(quadrangle 1:24,000 scale)

Trigo Mountains(quadrangle 1:100,000 scale)

Salton Sea(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Imperial Reservoir(hydrologic unit)

Lower Colorado(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(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 Imperial

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 11S 20E 25 NW California

Comments on the location information

  • N SIDE OF CENTRAL CHOCOLATE MOUNTAINS.

Commodities

Commodity Importance
Silver Primary
Lead Primary

Nearby scientific data

(1) -114.91191, 33.18812
ListMap

Economic information

Ore body information

  • Strike N20E
    Dip 80NW

Controls for ore emplacement

  • Contact Between Gneiss And Porphyry

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Paymaster

Comments on the workings information

  • ADIT DRIVEN 150 FT S50W WITH 50 FT CROSSCUT AT 70 FT; 200 FT SOUTH IS A 50 FT SHAFT OVER TOP OF RIDGE.

Reference information

Bibliographic references

  • Deposit

    MORTON, P.K., 1977, GEOLOGY AND MINERAL RESOURCES OF IMPERIAL COUNTY, CALIFORNIA: CAL. DIV. MINES AND GEOLOGY, COUNTY REPORT NO. 7, P. 93

  • Other Database

    CIMRI

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1993 Unkefer, Jason 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.