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  3. Mineral Resource Data System (MRDS)

San Diego Group

Past Producer in Mohave county in Arizona, United States with commodities Gold, Silver
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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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10026991
MRDS ID M001660
Record type Site
Current site name San Diego Group
Related records 10186490

Geographic coordinates

Geographic coordinates: -114.40387, 35.21641 (WGS84)
Elevation 1006
Relative position 1 MILE W OF UNION PASS

Site location context

Political divisions (FIPS codes)

Mohave(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Union Pass(quadrangle 1:24,000 scale)

Davis Dam(quadrangle 1:100,000 scale)

Kingman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Havasu-Mohave Lakes(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 AZ)

Bureau of Land Management AZ BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Mohave

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 021N 020W 10 Arizona

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Silver Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -114.40387, 35.21641
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Nw To Nnw Trending Normal Faulting
Type of structure Local
Structure description Tert Flows Strike Nw, Dip 30-40 Ne, And Overlie Prec Granite And Gneiss

Ore body information

  • General form STRINGERS, VEINLETS
    Strike NW
    Dip NE

Controls for ore emplacement

  • The Ore Favors Rock Contacts, Particularly The Younger Rhyolite, But Also Occurs Within The Rocks.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1906

Mining district

District name Union Pass District

Land status

Ownership category BLM Administrative Area

Workings at the site

  • Type of workings Underground
    Length 60.96M
    Overall depth 22.86M

Reference information

Bibliographic references

  • Deposit

    SCHRADER, F. C., 1909 , MINERAL DEPOSITS OF THE CERBAT RANGE, BLACK MOUNTAINS, AND THE GRAND WASH CLIFFS, MOHAVE COUNTY, ARIZONA: U.S.G.S. BULL. 397 , 208

  • Production

    U.S.G.S. BULL. 397 , P. 208 - 9

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1977 Johnson, K. H. U.S. Geological Survey
Updater 01-JAN-1979 Creasey, S. C. 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 Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.