Deposits and prospects used to assess undiscovered copper resources (with reported mineral apophyllite)
| Site name | Country | State or province | Development |
|---|---|---|---|
| Twin Buttes | United States | Arizona | Occurrence |
| Site name | Country | State or province | Development |
|---|
| Site name | Country | State or province | Development |
|---|---|---|---|
| Twin Buttes | United States | Arizona | Occurrence |
| Site name | Country | State or province | Development |
|---|