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  3. Mineral Resource Data System (MRDS)

Dan Welsh Mine

Past Producer in La Paz 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. Ore body information
  11. Economic information about the deposit and operations
  12. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10027940
MRDS ID M004571
Record type Site
Current site name Dan Welsh Mine
Alternate or previous names Apache, Ah-Ve-Aha

Geographic coordinates

Geographic coordinates: -114.40496, 33.81144 (WGS84)
Elevation 229
Relative position ABOUT 2 MILES SOUTH OF MOON MTN.

Site location context

Political divisions (FIPS codes)

La Paz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Moon Mountain(quadrangle 1:24,000 scale)

Blythe(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

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Arizona La Paz

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 006N 021W 35 SE Arizona

Comments on the location information

  • LOCATED ON COLORADO RIVER INDIAN RESERVATION

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -114.40496, 33.81144
ListMap

Economic information

Ore body information

  • General form LINEAR, LENSING
    Strike EW
    Dip 60 W
    Length 304.8M
    Width 0.61M

Economic information about the deposit and operations

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

Production statistics

  • Year 1950
    Period 1935-1950
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^2.4 Oz Au/Ton, 0.4 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 11g/mt
    Ore Gold Gold 68g/mt

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 3.66M

Comments on the workings information

  • WORKINGS CONSIST OF A SHAFT, SEVERAL OPEN CUTS AND SHORT TUNNELS

Reference information

Bibliographic references

  • Deposit

    JONES, E.L. JR.; 1915; GOLD DEPOSITS NEAR QUARTZSITE ARIZONA: U.S.G.S. BULLETIN 620, P. 56

  • Deposit

    KEITH, S.B., 1978, INDEX OF MINING PROPERTIES IN YUMA COUNTY, ARIZONA; ARIZONA BUREAU OF MINES BULLETIN 192, P. 158

  • Production

    U.S.G.S. BULLETIN 620, P. 57. (8) KEITH, S.B., 1978.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere, W. U.S. Geological Survey
Updater 01-NOV-1979 Hall, R. K. (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.