FM
Miami
Mining
Type
Operating
Status
🇺🇸 United States, Arizona
Country
Project information
As at 31 December 2025
Aggregation level:
Asset
Aggregation level:
Asset
Report standard:
Sec S K 1300
Report standard:
Sec S K 1300
Ownership %:
100
Ownership %:
100
Operator:
Yes
Operator:
Yes
Extraction:
Heap Leach
Extraction:
Heap Leach
Description
As at 31 December 2025
Wholly owned copper operation in Gila County, Arizona, 90 miles east of Phoenix. Porphyry copper deposit with leachable oxide and secondary sulfide mineralization; ore processed since ~1915 by flotation and leaching. Miami is no longer mining ore and currently produces copper by leaching material already placed on stockpiles; SX/EW plant design capacity of 200 Mlb/yr. FCX also owns and operates the >100-year-old Miami smelter at the site (modelled as a separate processing-facility project). Operation encompasses ~20,400 acres. Net PP&E $13 million.
Mining metrics
Multiple effective dates
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