Twin Buttes Mill

Producer in Pima county in Arizona, United States with commodity 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Land status
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10234611
MAS/MILS ID 0040190077
Record type Site
Current site name Twin Buttes Mill

Geographic coordinates

Point of reference Plant
Geographic coordinates: -111.05509, 31.90762 (WGS84)
Elevation 1079
Location accuracy 100(meters)

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 017 S 013 E 31 SENW Arizona

Commodities

Commodity Importance
Copper Primary

Nearby scientific data

Plant (1) -111.05509, 31.90762

Economic information

Economic information about the deposit and operations

Operation type Processing Plant
Development status Producer
Commodity type Metallic
Significant No

Land status

Ownership category Unknown

Ownership information

  • Type Unknown
    Owner Anamax Mining Co.
    ID 200850

Reference information

Bibliographic references

  • Deposit

    EVALUATION IN 0040190005

Reporter information

Type Date Name Affiliation Comment
Reporter 21-FEB-1984 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 01/25/1985
MSHA mine ID0200850
Mine name (MSHA)Twin Buttes Sulfide Mill
Current operatorAnamax Mining Company
Current controller (parent)Amax Arizona Inc-Anaconda Arizona Inc
Mine typeFacility (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

Authoritative Arizona resources

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