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Estimate of undiscovered copper resources of the world, 2013

We estimated a mean of 3,500 million metric tons (Mt) of undiscovered copper among 225 tracts around the world using a geology-based assessment methodology.

by Johnson, Kathleen M.; Hammarstrom, Jane M.; Zientek, Michael L.; and Dicken, Connie L.
U.S. Geological Survey Fact Sheet 2014-3004
This publication is available only as a PDF document.
Related topics:
Copper, Metallic mineral resources, Natural resource assessment, Mineral deposit areas
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USGS Publications Warehouse [Citation page] - [JSON]

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