User:Egoli/sandbox4
Peak Copper
Current reserves and resources.
Copper available in the mantle.
Extraction techniques.
Mining technology.
Price/grade relationship.
Exploration techniques.
Substitution.
Recycling.
More economic use.
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Peak Copper
Current reserves and resources.
Copper available in the mantle.
Extraction techniques.
Mining technology.
Price/grade relationship.
Exploration techniques.
Substitution.
Recycling.
More economic use.