Deposits and prospects used to assess undiscovered copper resources (with reported mineral smectite)
| Site name | Country | State or province | Development |
|---|---|---|---|
| Sunnyside | United States | Arizona | Prospect |
| Fierro Urcu | Ecuador | Loja | Prospect |
| San Carlos | Ecuador | Morona-Santiago | Occurrence |
| Tumi | Ecuador | Loja | Occurrence |
| Esperanza | Chile | Antofagasta | Prospect |
| La Fortuna | Chile | Atacama | Prospect |
| Agua Rica | Argentina | Catamarca | Prospect |
| Dipidio Group | Philippines | Quirino | Prospect |
| Tampakan Group | Philippines | South Cotabato | Prospect |
| Kaputusan | Indonesia | Maluku Utara | Unknown |
| Wafi-Golpu | Papua New Guinea | Morobe | Prospect |
| Antucoya | Chile | Antofagasta | Prospect |
| Wafi-Golpu Group | Papua New Guinea | Morobe | Prospect |
| Site name | Country | State or province | Development |
|---|