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Ontario Mine

Past Producer in Cochise 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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10046253
MRDS ID M241123
Record type Site
Current site name Ontario Mine
Related records 10185578

Geographic coordinates

Geographic coordinates: -109.81593, 31.76902 (WGS84)
Elevation 1402
Relative position APPROX. 1/4 MI. W. OF COURTLAND.

Site location context

Political divisions (FIPS codes)

Cochise(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Turquoise Mountain(quadrangle 1:24,000 scale)

Chiricahua Peak(quadrangle 1:100,000 scale)

Douglas(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Whitewater Draw(hydrologic unit)

Rio De Bavispe(hydrologic accounting unit)

Sonora(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Cochise

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 019S 025E 20 Arizona

Comments on the location information

  • E. CENTRAL SEC. 20. UTM EST.

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Primary

Materials information

Materials Type of material
Copper Ore
Gold Ore
Silver Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Abrigo Limestone; Bolsa Quartzite
    Rock description Abrigo Limestone; Bolsa Quartzite

Nearby scientific data

(1) -109.81593, 31.76902
ListMap

Economic information

Ore body information

  • General form LENTICULAR, BELT

Controls for ore emplacement

  • Ore In Metamorphosed Abrigo Limestone Neara Fault Contact With Carboniferous Limestone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1911
Year of last production 1920

Mining district

District name Turquoise District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Great Western Copper Co.

Comments on the production information

  • A FEW TENS OF TONS OF ORE PRODUCED, 1911 AND 1920.

Comments on the workings information

  • SHALLOW WORKINGS.

Comments on development

  • OPERATORS INCLUDED D.K. BROWN

Reference information

Bibliographic references

  • Deposit

    KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 84.

  • Deposit

    ABM BULL 123, 1927

  • Production

    KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.

General comments

Subject category Comment text
Deposit COPPER CARBONATES AND SULFIDES IN BEDDED REPLACEMENT DEPOSITS IN CAMBRIAN LIMESTONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1980 Zigler, Jan L. U.S. Geological Survey
Updater 01-NOV-1981 Rodriguez, Ignacio (Gest, Don E.) 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.