The government has repeatedly said the budget cannot afford to meet the salary demands of the union.
“The strike notice remains in force due to a lack of a agreement with the government,” UNTM chief Yacouba Katile said on Friday.
It follows a similar strike in December, when a number of big international gold mining firms said they were not affected.
Mali is one of Africa’s largest gold producers. Companies operating in the country include Barrick Gold Corp and Resolute Mining.
There was no immediate comment from mining companies about the latest industrial action.
(Reporting by Tiemoko Diallo. Writing by Alessandra Prentice. Editing by Mike Harrison).
