Treadwell Mine

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

Geologic information

Identification information

Deposit ID 10109838
MRDS ID M800167
Record type Site
Current site name Treadwell Mine
Related records 10113867

Geographic coordinates

Geographic coordinates: -112.43018, 34.42033 (WGS84)
Elevation 2134
Relative position 3.9 MILES S OF GROOM CREEK, ARIZONA

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Groom Creek(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Hassayampa(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Prescott National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 12N 002W 36 SW OF SW Arizona

Comments on the location information

  • TREADWELL CLAIM ADJOINS TEN SPOT ON SOUTH

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary

Materials information

Materials Type of material
Hematite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) None

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Meta-Basalt
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1720
    Dating method U-Pb (zircon)
    Type of media Zircon
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1720
    Dating method U-Pb (zircon)
    Type of media Zircon
  • Host or associated Host
    Rock type Metamorphic Rock > Amphibolite
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1720
    Dating method U-Pb (zircon)
    Type of media Zircon
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -112.43018, 34.42033

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Precambrian Rocks Trends N35e To N50e
Type of structure Local
Structure description Dikes And Veins Parallel Foliation

Ore body information

  • General form TABULAR
    Strike N40E
    Dip VERTICAL
    Thickness 2.44M
    Length 45.72M
    Width 30.48M
    Depth to bottom 32M

Controls for ore emplacement

  • Faulting, Shearing

Comments on the geologic information

  • DEPOSIT IS VEIN WHICH CUTS PRECAMBRIAN METAVOLCANIC AND METASEDIMENTARY ROCKS. RHYOLITE PORPHYRY DIKES OF PROBABLE LCRET-TERT AGE ASSOCIATED WITH VEINS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1943
Year of last production 1944

Mining district

District name Mount Union District

Ownership information

  • Type Owner
    Owner Allican Mining Co.
    First year 1950

Workings at the site

  • Type of workings Underground
    Area 0.011HA
    Overall depth 32M
    Overall length 36.58M
    Overall width 3.05M

Comments on the workings information

  • TREADWELL VEIN CUT BY SENATOR TUNNEL AT 400 FT DEPTH

Reference information

Bibliographic references

  • Deposit

    ABGMT FILE DATA

  • Deposit

    AZ DEPT MIN RESOURCES FILE DATA

  • Deposit

    USGS BULL 782, P. 120-121

  • Deposit

    USGS GEOL MAP GQ 997

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1981 Laraba, Peter (Dewitt, Ed) Arizona Bureau of Geology and Mineral Technology

Beyond USGS

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

Authoritative Arizona resources

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