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The Company and its operations (Tables)
 12 Months Ended
Dec. 31, 2012
The Company and its operations  
Principal consolidated operating subsidiaries

  Our principal consolidated operating subsidiaries at December 31, 2012 are the following:

Subsidiaries   % ownership   % voting capital   Location   Principal activity

Compañia Minera Miski Mayo S.A.C. 

     40.00             51.00             Peru   Fertilizer

Ferrovia Centro-Atlântica S.A. 

     99.99             99.99             Brazil   Logistics

Ferrovia Norte Sul S.A. 

     100.00             100.00             Brazil   Logistics

Mineração Corumbaense Reunida S.A. 

     100.00             100.00             Brazil   Iron Ore and Manganese

PT Vale Indonesia Tbk

     59.20             59.20             Indonesia   Nickel

Sociedad Contractual Minera Tres Valles

     90.00             90.00             Chile   Copper

Vale Australia Pty Ltd. 

     100.00             100.00             Australia   Coal

Vale Canada Limited

     100.00             100.00             Canada   Nickel

Vale Fertilizantes S.A. 

     100.00             100.00             Brazil   Fertilizer

Vale International Holdings GMBH

     100.00             100.00             Austria   Holding and Exploration

Vale International S.A. 

     100.00             100.00             Switzerland   Trading

Vale Manganês S.A. 

     100.00             100.00             Brazil   Manganese and Ferroalloys

Vale Mina do Azul S.A. 

     100.00             100.00             Brazil   Manganese

Vale Moçambique S.A. 

     95.00             95.00             Mozambique   Coal

Vale Nouvelle-Calédonie SAS

     80.50             80.50             New Caledonia   Nickel

Vale Oman Pelletizing Company LLC

     70.00             70.00             Oman   Pellets

Vale Shipping Holding PTE Ltd. 

     100.00             100.00             Singapore   Logistics