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Draghi Prospect

Past Producer in Yuma county in Arizona, United States with commodities Copper, Silver, Gold
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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. Mining district
  14. Land status
  15. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10027223
MRDS ID M002538
Record type Site
Current site name Draghi Prospect
Alternate or previous names Welton Hills Mine
Related records 10234326

Geographic coordinates

Geographic coordinates: -114.13549, 32.54815 (WGS84)
Elevation 206
Relative position 1 MI. FROM THE SW END OF THE WELLTON HILLS.

Site location context

Political divisions (FIPS codes)

Yuma(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wellton Hills(quadrangle 1:24,000 scale)

Yuma(quadrangle 1:100,000 scale)

El Centro(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Gila(hydrologic unit)

Lower Gila(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

USAF(Federal land areas administered by USAF)

Geographic areas

Country State County
United States Arizona Yuma

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 010S 018W 20 NE Arizona

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Primary

Materials information

Materials Type of material
Chrysocolla Ore
Hematite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -114.13549, 32.54815
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description A Prominent Fault Zone, Marked By A Maxium Of About Eight Feet Of Breccia And Gouge, Strikes N35w And Dips 10 To 40 Ne, And Contains An Irregular Quartz Vein

Ore body information

  • General form IRREGULAR, LENSING
    Strike N35W
    Dip 40 NE
    Width 0.61M

Comments on the geologic information

  • MINERALIZATION NEAR APLITIC DIKES AND ASSOCIATED WITH TWO-MICA GRANITE INTRUSIONS.

Economic information about the deposit and operations

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

Mining district

District name La Posa District

Land status

Ownership category Federal
Area name Luke Air Force Range

Production statistics

  • Year 1938
    Period 1933-1938
    Accuracy Estimate
    Description Cp_Grade: ^0.54 Oz Au/Ton, 0.2 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Silver Silver 6g/mt
    Major Ore Gold Gold 15g/mt

Comments on the production information

  • MAJOR PRODUCTION IN MID-1930'S

Workings at the site

  • Type of workings Underground
    Length 19.81M

Comments on the workings information

  • WORKINGS CONSIST OF TWO TUNNELS ABOUT 50 FT. APART

Reference information

Bibliographic references

  • Deposit

    WILSON, E.D., 1933, GEOLOGY AND MINERAL DEPOSITS OF SOUTHERN YUMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 134, P. 124.

  • Deposit

    KEITH, S.B., 1978, INDEX OF MINING PROPERTIES IN YUMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 192, P. 161.

  • Other Database

    CIMRI

  • Production

    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.

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.