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  3. Mineral Resource Data System (MRDS)

Weldon Mine

Producer in Pima county in Arizona, United States with commodities Gold, Silver, Lead, Copper, Zinc
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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. Economic information about the deposit and operations
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10026740
MRDS ID M000024
Record type Site
Current site name Weldon Mine
Related records 10113820

Geographic coordinates

Geographic coordinates: -112.15183, 32.06289 (WGS84)
Relative position 7 MILES SW OF QUIJOTOA TRADING POST

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ben Nevis Mountain(quadrangle 1:24,000 scale)

Ajo(quadrangle 1:100,000 scale)

Ajo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Simon Wash(hydrologic unit)

Rio Sonoyta(hydrologic accounting unit)

Sonora(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 016S 002E 03 Arizona

Comments on the location information

  • E CENTER SECTION 3 . PAPAGO INDIAN RESERVATION.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Copper Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Hematite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -112.15183, 32.06289
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault Contact Between Andesitic Volcanics And Granitic Intrusive

Ore body information

  • General form SPOTTY, POCKETY LENSES

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1890
Year of last production 1910

Production statistics

  • Year 1910
    Period 1880 - 1910
    Accuracy Estimate
    Description Cp_Grade: ^1 Oz Au/Ton, 1 Oz Ag/Ton, Minor Cu And Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Gold Gold 28g/mt
    Major Ore Silver Silver 28g/mt

Comments on the production information

  • WORKED INTERMITTENTLY FROM 1880'S TO EARLY 1900'S.

Comments on the workings information

  • SHAFT AND TUNNEL OPERATIONS.

Comments on development

  • OPERATORS INCLUDED WELDON GOLD CO

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 141

  • Production

    ABM BULLETIN 189 , P. 141 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

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.