| Online link | https://doi.org/10.3133/sir20185160 |
|---|---|
| Description | The U.S. Geological Survey completed the first-ever global assessment of undiscovered copper resources for the two most significant sources of global copper supply: porphyry copper deposits and sediment-hosted stratabound copper deposits. The geology-base |
| Originators | Hammarstrom, Jane M., Zientek, Michael L., Parks, Heather L., Dicken, Connie L., U.S. Geological Survey Global Copper Mineral Resource Assessment Team |
| Publication | U.S. Geological Survey Scientific Investigations Report 2018-5160 |