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SEGMENT AND RELATED INFORMATION: - Long Term Sales Contract (Details) - T
12 Months Ended
Dec. 31, 2022
Dec. 31, 2019
Copper cathodes | Mitsui    
Long-term sales contract    
Term of agreement 3 years  
Quantity to be supplied related to additional annual contract from 2016 until 2019 (in tons) 48,000  
Molybdenum concentrates | Molibdenos y Metales    
Long-term sales contract    
Minimum percentage of total production required to be supplied 70.00%  
Molybdenum concentrates | Molymex    
Long-term sales contract    
Minimum percentage of total production required to be supplied 80.00%  
Sulfuric acid | Marcobre    
Long-term sales contract    
Term of agreement   5 years