mine · Chile
Escondida
The largest copper mine in the world by output, operating in the Atacama Desert since 1990.
OperatingProduction

Earthern Project Score
88 / 100
Operator
BHP Group
Country
Chile
Mine life
25 yrs
Capex
—
Profile
Resource, economics and jurisdiction
- Resource
- Very large porphyry copper resource with declining head grades.
- Production
- Around 1.1 Mt of copper annually across concentrator and leach circuits.
- Economics
- Long-life low-cost operation with sustaining capital focused on grade decline.
- Infrastructure
- Two concentrators, desalination plant and dedicated port access.
- Jurisdiction
- Very low risk
- Ownership
- BHP 57.5%, Rio Tinto 30%, JECO 12.5%
- Region
- Antofagasta Region
Overview
What this asset is
The largest copper mine in the world by output, operating in the Atacama Desert since 1990.
Methodology
Earthern Project Score 88
Version v0.1
- Resource Quality
- 90 (weight 1.2) — Grade, continuity and metallurgical complexity of the resource.
- Project Scale
- 90 (weight 1) — Annual output potential relative to the global market for its primary mineral.
- Development Stage
- 93 (weight 0.9) — How far the asset has advanced toward or through production.
- Jurisdiction
- 89 (weight 1.1) — Political stability, permitting predictability and rule of law.
- Infrastructure
- 90 (weight 0.9) — Access to power, water, transport and processing capacity.
- Economics
- 87 (weight 1.2) — Cost position and margin resilience through the price cycle.
- Strategic Importance
- 94 (weight 1) — Relevance to national critical mineral strategies and allied supply chains.
- Supply-Chain Value
- 85 (weight 1) — Whether the asset relieves a genuine downstream bottleneck.
- Sustainability
- 91 (weight 0.9) — Carbon intensity, water use, tailings approach and community standing.
- Execution Risk
- 79 (weight 1) — Technical, financing and schedule risk to reaching nameplate output. Higher is lower risk.
Materials
Minerals produced
Assets
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