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United States

Miami Mine

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Miami Mine

Location: 110 km E from Phoenix, Arizona, United States

Address:

333 North Central Avenue
Phoenix
Arizona, United States
85004

Contacts:

Additional Resources for Suppliers & Investors

Categories

Summary

Mine TypeStockpile
StatusActive
Commodities
  • Copper
Mining Method
  • Truck & Shovel / Loader
Production Start... Lock
Mine Life... Lock
SnapshotMiami is no longer mining ore, but produces copper through leaching material already placed on stockpiles.

Miami operations are subject to the Endangered Species Act (ESA), which can influence federal permitting and access to water resources. In 2024, the EPA strengthened hazardous air pollutant standards for primary copper smelters, affecting the Miami smelter. In 2025, however, EPA initiated a reconsideration of the rule, and an October 2025 presidential proclamation granted Miami a two-year extension on compliance deadlines. The rule remains under EPA review, and related court appeal is paused pending resolution of multiple reconsideration petitions.

Owners

SourceSource
CompanyInterestOwnership
Freeport-McMoRan Inc. 100 % Indirect
Freeport-McMoRan Miami Inc (operator) 100 % Direct
Freeport-McMoRan owns 100% of the Miami copper mining complex through its wholly-owned subsidiary Freeport-McMoRan Miami Inc.

Contractors

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SourceSource

Deposit type

  • Porphyry

Summary:

The Miami mine is a porphyry copper deposit that has leachable oxide and secondary sulfide mineralization. The predominant oxide copper minerals are chrysocolla, copper-bearing clays, malachite and azurite. Chalcocite and covellite are the most important secondary copper sulfide minerals.

Reserves

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Mining Methods

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Heavy Mobile Equipment

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Comminution

Crushers and Mills

Milling equipment has not been reported.

Processing

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Commodity Production

CommodityUnits20252024202320222021202020192018201720162015
Copper M lbs  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe1516192543
All production numbers are expressed as cathode.

Operational metrics

Metrics20252024202320222021202020192018201720162015
Annual production capacity  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe200 M lbs of copper cathode200 M lbs of copper cathode200 M lbs of copper cathode200 M lbs of copper cathode200 M lbs of copper cathode
Daily mining capacity  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe

Production Costs

Commodity production costs have not been reported.

Mine Financials

Units20252024202320222021
Book Value M USD  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe

Personnel

Mine Management

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Feb 19, 2026
....................... Subscription required ....................... Subscription required Subscription required Feb 19, 2026
....................... Subscription required ....................... Subscription required Subscription required Feb 19, 2026

Workforce

Total WorkforceYear
...... Subscription required 2025
...... Subscription required 2024
...... Subscription required 2023
...... Subscription required 2022
...... Subscription required 2021
...... Subscription required 2020
...... Subscription required 2018
...... Subscription required 2017
...... Subscription required 2015

Aerial view:

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