v3.26.1
EXPLORATION EXPENSES (Tables)
12 Months Ended
Dec. 31, 2025
Notes and other explanatory information [abstract]  
Schedule of exploration expenses
                       
    2025     2024     2023  
Minosa     (1,345 )     (1,107 )     (289 )
Borborema     (440 )     -       -  
Almas     (1,931 )     (1,134 )     -  
Apoena     (413 )     (368 )     (238 )
Aranzazu     (3,594 )     (4,673 )     (6,916 )
Serra Grande     (134 )     -       -  
All other segments     (161 )     (6,679 )     (4,338 )
Total     (8,018 )     (13,961 )     (11,781 )