Barrick mining reaches deal with Mali gold unions, Bloomberg News reports ↧ ↧ Barrick mining reaches deal with Mali gold unions, Bloomberg News r... Canada's Barrick Mining has reached ​an agreement with ‌unions representing workers at its ​Loulo-Gounkoto gold mining ​operation in western ⁠Mali, Bloomberg News ​reported on Sunday, ​citing Abdoulaye Coulibaly, a member of Mali’s ​National Workers’ ​Union or UNTM.