Old Pioneer Mine

Producer in Gila county in Arizona, United States with commodities Silver, Lead, Gold, Copper
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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10046323
MRDS ID M241231
Record type Site
Current site name Old Pioneer Mine
Alternate or previous names Pioneer, White Metal
Related records 10161003

Geographic coordinates

Geographic coordinates: -110.83791, 33.23453 (WGS84)
Elevation 1402
Relative position 1 MILE SW OF PIONEER MOUNTAIN

Site location context

Political divisions (FIPS codes)

Gila(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

El Capitan Mountain(quadrangle 1:24,000 scale)

Globe(quadrangle 1:100,000 scale)

Mesa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Gila(hydrologic unit)

Middle Gila(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

Bureau of Land Management AZ BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Gila

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 002S 015E 29 NE OF NW Arizona

Comments on the location information

  • GROUP OF ADITS AND SHAFTS, CENTRAL SHAFT USED FOR UTM ; INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Gold Secondary
Copper Secondary

Materials information

Materials Type of material
Argentite Ore
Galena Ore
Sphalerite Ore
Barite Gangue
Calcite Gangue
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) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Rock unit name Dripping Spring Quartzite;Shale
    Rock description Dripping Spring Quartzite;Shale
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -110.83791, 33.23453

Economic information

Geologic structures

Type of structure Regional
Structure description Dripping Springs Quartzite Is In Fault Contact With Diabase To S., Fault Strikes Nw. Dripping Springs Quartzite Strikes E-W Dips 20-25 S. Barnes Conglomerate Is Present Both At The Dripping Springs-Diabase Contact, And At Dripping Springs-Pioneer Shale Contact, Which Strikes Nw. Width Of Dripping Springs Quartzite, 100 M. At Mine
Type of structure Local
Structure description Two Parallel Ne Trending Faults

Ore body information

  • Strike N 30 E TO N 50 E
    Dip VERT TO 75 W

Controls for ore emplacement

  • Fissures Along And Near Ne Trending Faults

Comments on the geologic information

  • LCRET-TERT RHYOLITE OUTCROPS 1/8 MILE NE OF MINE, IN CONTACT WITH PIONEER SHALE, RHYOLITE OF THIS AGE COMMON IN AREA IN BOTH PIONEER SHALE AND RUIN GRANITE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1875
Year of last production 1969

Mining district

District name Pinal Mountains District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner White Metal Mining Co.
    First year 1969

Workings at the site

  • Type of workings Underground
    Length 1219.2M
    Overall depth 137.16M

Comments on the workings information

  • 700 FT OF STOPING ON THE 200 AND 300 FT LEVELS OF THE 450 FT. SHAFT. ALSO A 350 FT SHAFT ON THE HOWARD VEIN, WHERE 750 FT OF STOPING IS PRESENT ON THE 200 FT LEVEL. OPEN CUTS ARE ALSO PRESENT

Comments on development

  • WHITE METAL MINING COMPANY WAS MAIN PRODUCER IN 1920'S. CLIPPINGS REPORT THAT HIGH GRADE ORE WAS PRODUCED IN 1884.

Reference information

Bibliographic references

  • Deposit

    ABGMT-USBM PRODUCTION DATA

  • Deposit

    ABGMT CLIPPINGS FILE

  • Deposit

    ADMR PIONEER MINE FILE

  • Deposit

    USGS GEOLOGIC QUADRANGLE GQ-1442, 1978

General comments

Subject category Comment text
Deposit THREE MAJOR NE STRIKING VEINS, 1 TO 3 METERS WIDE. 8 TO 10 FT IN OPEN CUTS, LOW GRADE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1982 Gest, Don E. Arizona Bureau of Geology and Mineral Technology

Beyond USGS

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

External references

Authoritative Arizona resources

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