Twin Buttes Mine

Open Pit Mine with commodities copper, molybdenum

More information at and near this site: Re-AZ00026

About this location

Feature ID Re-Mf00254
Geographic coordinates -111.03581, 31.89239
Point definition Center of pit on imagery
Reference Esri World Imagery (2018); World Imagery
Date: 2015; Scale: Large (>1:24,000)

Production summaries

Dates Material Amount Units
1969 to 1994 copper 4,053,090,165 pounds
1969 to 1994 molybdenum 166,154,927 pounds

Detailed production statistics

1969 to 1994: copper
Beginning year 1969
Ending year 1994
Materials copper
Material type commodity
Material amount 4,053,090,165
Amount units pounds
Material amount SI 1,838,451
Material amount SI units metric tons
Remarks Production values calculated from various sources
Short reference Cyprus Minerals Company (1989-1992); Cyprus Amax Minerals Company (1994-1997); Primary Copper Industry of Arizona (1977-1985); AMAX Inc (1975-1977)
1969 to 1994: molybdenum
Beginning year 1969
Ending year 1994
Materials molybdenum
Material type commodity
Material amount 166,154,927
Amount units pounds
Material amount SI 75,367
Material amount SI units metric tons
Remarks Production values calculated from various sources
Short reference Cyprus Minerals Company (1989-1992); Cyprus Amax Minerals Company (1994-1997); Primary Copper Industry of Arizona (1977-1985); AMAX Inc (1975-1977)

History of the site

Dates Status Detail Reference
1965 to 1994 Active Production Barter and Kelly (1982)

Geographic context based on the point coordinates