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San Xavier Extension Mine

Producer in Pima county in Arizona, United States with commodities Copper, Silver, Lead, Zinc, Gold, Bismuth, Cobalt, Manganese, Molybdenum, Nickel, Cadmium
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  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 10039579
MRDS ID M050365
Record type Site
Current site name San Xavier Extension Mine
Alternate or previous names Red Oxide, Wakefield Groups
Related records 10283700

Geographic coordinates

Geographic coordinates: -111.09652, 31.97401 (WGS84)
Elevation 1082
Relative position 5 MILES NNW 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

Twin Buttes(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Santa Cruz(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 017S 012E 02,03 Arizona

Comments on the location information

  • SW 1/4 SECTION 2 , SE 1/4 SECTION 3 .

Commodities

Commodity Importance
Copper Primary
Silver Primary
Lead Secondary
Zinc Critical Secondary
Gold Secondary
Bismuth Critical Tertiary
Cobalt Critical Tertiary
Manganese Critical Tertiary
Molybdenum Tertiary
Nickel Critical Tertiary
Cadmium Tertiary

Comments on the commodity information

  • COMMODITY SUBTYPES TRACE ELEMENTS IN SPHALERITE AND CHALCOPYRITE

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Economic information

Geologic structures

Type of structure Local
Structure description Many Ne-Trending Faults.

Ore body information

  • General form IRREGULAR SHOOTS, LENSES
    Depth to bottom 114.6M

Controls for ore emplacement

  • Along Fractures And Bedding.

Comments on the geologic information

  • THIS TYPE OF ORE PROBABLY REPRESENTS AN INTERMEDIATE ZONE OF MINERALIZATION BETWEEN CU-GARNET ORES OF MINERAL HILL AREA AND PB-ZN-AG ORES OF SAN XAVIER MINE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Pima District

Ownership information

  • Type Owner-Operator
    Owner Asarco (American Smelting And Refining Co.)

Production statistics

  • Year 1919
    Period 1917 - 19
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^10 % Zn, 2 % Pb, 7 Oz Ag/Ton, 1 % Cu, Minor Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Copper Copper 1wt-pct
    Minor Ore Silver Silver 198g/mt
    Major Ore Lead Lead 2wt-pct
    Minor Ore Zinc Zinc 10wt-pct
  • Year 1919
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^4 % Cu, 2 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Silver Silver 56g/mt
    Minor Ore Copper Copper 4wt-pct

Comments on the production information

  • ( 2 , 3 ) ARE CALCULATED FROM ( 1 ).

Workings at the site

  • Type of workings Underground
    Overall depth 152.4M

Comments on the workings information

  • SHAFT OPERATIONS.

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 131 .

  • Deposit

    MAYUGA, M. N., 1942 , THE GEOLOGY AND ORE DEPOSITS OF THE HELMET PEAK AREA, PIMA COUNTY, ARIZONA: UNIV. ARIZ., PHD THESIS, P. 117 .

  • Deposit

    WILSON, E. D., 1950 , ARIZONA ZINC AND LEAD DEPOSITS PART 1 : ARIZONA BUREAU OF MINES BULLETIN 156 , P. 47 - 48 .

  • Deposit

    NMBM AND MIN RES BULL 65, P16, 30.

  • Production

    ( 8 ) ABM BULLETIN 189 , P. 137 . ( 1 , 2 , 3 ) MAYUGA, 1942 .

General comments

Subject category Comment text
Deposit SAN XAVIER IS NOW PART OF THE MISSION COMPLEX. SEE RECORD MO50387. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

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.

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

  • Asarco (American Smelting And Refining Co.) — acquired by Asarco LLC, subsidiary of Grupo México (2009)
    American Smelting and Refining Co. Filed Chapter 11 in 2005; acquired out of bankruptcy by Grupo México in 2009.

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.

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.