Deposits and prospects used to assess undiscovered copper resources (with reported mineral diopside)
| Site name | Country | State or province | Development |
|---|---|---|---|
| Bingham | United States | Utah | Producer |
| Ely | United States | Nevada | Occurrence |
| Chilito | United States | Arizona | Occurrence |
| Christmas | United States | Arizona | Occurrence |
| Lakeshore | United States | Arizona | Occurrence |
| Morenci-Metcalf | United States | Arizona | Producer |
| Silver Bell | United States | Arizona | Producer |
| Twin Buttes | United States | Arizona | Occurrence |
| Johnson Camp | United States | Arizona | Producer |
| Rosemont-Helvetia | United States | Arizona | Occurrence |
| Cananea | Mexico | Sonora | Producer |
| Toromocho | Peru | Junín | Prospect |
| Esperanza | Chile | Antofagasta | Prospect |
| Vysoká-Zlatno | Slovakia | Banskobystricky kraj | Prospect |
| Dipidio Group | Philippines | Quirino | Prospect |
| Grasberg | Indonesia | Papua | Producer |
| Ok Tedi | Papua New Guinea | Western | Producer |
| Frieda River | Papua New Guinea | Sandaun | Prospect |
| Jiama | China | Xizang | Producer |
| Ferndale | Australia | New South Wales | Prospect |
| Ayazmant | Turkey | Izmir | Producer |
| Site name | Country | State or province | Development |
|---|