1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Leadville Group

Occurrence in Pima county in Arizona, United States with commodities Copper, Uranium
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10026977
MRDS ID M001470
Record type Site
Current site name Leadville Group
Related records 10283875

Geographic coordinates

Geographic coordinates: -111.20791, 31.90623 (WGS84)
Elevation 1478
Relative position 8.75 MILES W OF TWIN BUTTES.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Samaniego Peak(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brawley Wash(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 018S 011E 10 Arizona

Commodities

Commodity Importance
Copper Primary
Uranium Primary

Comments on the commodity information

  • NO VISIBLE URANIUM MINERALS

Analytical data

Result SAMPLES: 0.01 - 0.05 % EU3O8

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -111.20791, 31.90623
ListMap

Economic information

Ore body information

  • General form PODS

Controls for ore emplacement

  • Ore Occurs In Small Pods In Footwall Shear And Small Cross Fractures.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Pima District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner C. E. Kenyon ( 1955 )
    Home office Los Angeles, Ca.

Workings at the site

  • Type of workings Underground
    Length 30.48M

Comments on the workings information

  • DRIFT WORKINGS.

Reference information

Bibliographic references

  • Deposit

    PRELIMINARY RECONNAISSANCE FOR URANIUM IN PIMA AND PINAL COUNTIES, ARIZONA, 1950 - 1957: US ATOMIC ENERGY COMMISSION RME - 159, JUNE 1970 , P. 23

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit WEAK MINERALIZATION DETECTED ACROSS THE CANYON TO THE SOUTH, ALONG THE SAME STRIKE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-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.

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.