Deposits and prospects used to assess undiscovered copper resources (with reported mineral halloysite)
| Site name | Country | State or province | Development |
|---|---|---|---|
| Poston Butte | United States | Arizona | Occurrence |
| Ray | United States | Arizona | Producer |
| San Carlos | Ecuador | Morona-Santiago | Occurrence |
| Tumi | Ecuador | Loja | Occurrence |
| Yulong | China | Xizang | Producer |
| Tintaya | Peru | Cuzco | Producer |
| Site name | Country | State or province | Development |
|---|