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REG - Rio Tinto - Rio Tinto second quarter production results <Origin Href="QuoteRef">RIO.L</Origin> - Part 2

- Part 2: For the preceding part double click  ID:nRSR3137La 

              
 Rio Tinto Iron & Titanium (h)       100%       236    267    300    332    316    481    647    
                                                                                                 
 URANIUM                                                                                         
 Production ('000 lbs U3O8) (i)                                                           
 Energy Resources of Australia       68%        738    1,004  908    900    678    1,631  1,577  
 Rössing                             69%        702    628    781    673    860    1,389  1,534  
 Rio Tinto total uranium production  1,439      1,633  1,690  1,573  1,538  3,020  3,111  
                                                                                                 
 
 
 Production data notes:                                  
 Production figures are sometimes more precise than the  
 rounded numbers shown, hence small differences may      
 result between the total of the quarter figures and the 
 year to date figures.                                   
                                                                         
                                                         
 (a) Mine production figures for metals refer to the     
 total quantity of metal produced in concentrates, leach 
 liquor or doré bullion irrespective of whether these    
 products are then refined onsite, except for the data   
 for bauxite and iron ore which represent production of  
 marketable quantities of ore plus concentrates and      
 pellets.                                                
 (b) Rio Tinto has a 22.95% shareholding in the Sangaredi 
 mine but benefits from 45.0% of production.             
 (c) Kestrel and Hail Creek produce hard coking coal and 
 thermal coal through their mining operations. Both mines 
 may blend coal types at ports.                          
 (d) On 24 January 2017, Rio Tinto announced a binding   
 agreement to sell Coal & Allied, a wholly owned         
 subsidiary of Rio Tinto Coal Australia (RTCA). This     
 includes Coal & Allied's 67.6% interest in the Hunter   
 Valley Operations mine, 80% interest in the Mount       
 Thorley mine and 55.6% interest in the Warkworth mine.  
 In an earlier restructuring of the Coal & Allied group  
 completed on 3 February 2016, Rio Tinto had obtained    
 100% of Coal & Allied and retained a 67.6% interest in  
 the newly created Hunter Valley Operations joint        
 venture.  Prior to restructuring, Rio Tinto's interest  
 in the Hunter Valley Operations, Mt Thorley and         
 Warkworth mines was 80%, 64% and 44.46% respectively.   
 (e) Through a joint venture agreement with Freeport     
 -McMoRan (FCX), Rio Tinto is entitled to 40% of         
 additional material mined as a consequence of expansions 
 and developments of the Grasberg facilities since 1998. 
 (f) Rio Tinto owns a 33.52% indirect interest in Oyu    
 Tolgoi through its 50.79% interest in Turquoise Hill    
 Resources Ltd.                                          
 (g) Includes 100% of production from Paraburdoo, Mt Tom 
 Price, Marandoo, Yandicoogina, Brockman, Nammuldi and   
 the Eastern Range mines. Whilst Rio Tinto owns 54% of   
 the Eastern Range mine, under the terms of the joint    
 venture agreement, Hamersley Iron manages the operation 
 and is obliged to purchase all mine production from the 
 joint venture and therefore all of the production is    
 included in Rio Tinto's share of production.            
 (h) Quantities comprise 100% of Rio Tinto Fer et Titane 
 and Rio Tinto's 74% interest in Richards Bay Minerals   
 (RBM).                                                  
 (i) ERA and Rössing production reported are drummed     
 U3O8.                                                   
                                                         
 The Rio Tinto percentage shown above is at 30 June 2017. 
                                                                         
 Rio Tinto's interest in the Lochaber aluminium smelter  
 and Bengalla mine were sold in 2016. No data for these  
 operations are included in the Share of production      
 table.                                                  
 
 
 Rio Tinto operational data                                                                                                                           
                                                                                                                                                                                                                  
                                                                                                                                                      Rio Tinto  Q2     Q3     Q4     Q1     Q2     H1     H1     
                                                                                                                                                      interest   2016   2016   2016   2017   2017   2016   2017   
                                                                                                                                                                                                                  
 ALUMINA                                                                                                                                                                                                          
 Smelter Grade Alumina - Aluminium Group                                                                                                                                                                   
 Alumina production ('000 tonnes)                                                                                                                                                                                 
 Australia                                                                                                                                                                                                        
 Queensland Alumina Refinery - Queensland                                                                                                             80.0%      961    947    987    924    946    1,914  1,870  
 Yarwun refinery - Queensland                                                                                                                         100.0%     823    747    821    819    778    1,608  1,597  
 Brazil                                                                                                                                                                                                           
 São Luis (Alumar) refinery                                                                                                                           10.0%      931    916    957    895    931    1,834  1,826  
 Canada                                                                                                                                                                                                           
 Jonquière (Vaudreuil) refinery - Quebec (a)                                                                                                          100.0%     353    355    367    367    365    730    732    
 (a) Jonquière's (Vaudreuil's) production shows smelter grade alumina only and excludes hydrate produced and used for specialty alumina.              
 Specialty Alumina - Aluminium Group                                                                                                                                                                       
 Specialty alumina production ('000 tonnes)                                                                                                                                                                
 Canada                                                                                                                                                                                                           
 Jonquière (Vaudreuil) plant - Quebec                                                                                                                 100.0%     29     29     31     31     32     54     63     
 Rio Tinto percentage interest shown above is at 30 June 2017. The data represent full production and sales on a 100% basis unless otherwise stated.  
 
 
 Rio Tinto operational data                                                                                                                           
                                                                                                                                                                                                                  
                                                                                                                                                      Rio Tinto  Q2     Q3     Q4     Q1     Q2     H1     H1     
                                                                                                                                                      interest   2016   2016   2016   2017   2017   2016   2017   
                                                                                                                                                                                                                  
 ALUMINIUM                                                                                                                                                                                                        
 Primary Aluminium                                                                                                                                                                                                
 Primary aluminium production ('000 tonnes)                                                                                                                                                                
 Australia                                                                                                                                                                                                        
 Bell Bay smelter - Tasmania                                                                                                                          100.0%     45     46     47     45     47     89     91     
 Boyne Island smelter - Queensland                                                                                                                    59.4%      145    147    147    135    124    290    259    
 Tomago smelter - New South Wales                                                                                                                     51.6%      147    149    149    145    147    292    292    
 Canada                                                                                                                                                                                                           
 Alma smelter - Quebec                                                                                                                                100.0%     116    117    117    114    112    233    226    
 Alouette (Sept-Îles) smelter - Quebec                                                                                                                40.0%      152    152    153    149    149    304    298    
 Arvida smelter - Quebec                                                                                                                              100.0%     43     43     43     41     43     86     84     
 Arvida AP60 smelter - Quebec                                                                                                                         100.0%     15     15     15     15     15     30     29     
 Bécancour smelter - Quebec                                                                                                                           25.1%      108    114    110    112    106    221    218    
 Grande-Baie smelter - Quebec                                                                                                                         100.0%     56     58     58     57     57     112    114    
 Kitimat smelter - British Columbia                                                                                                                   100.0%     107    109    109    107    109    190    216    
 Laterrière smelter - Quebec                                                                                                                          100.0%     61     62     63     61     61     122    122    
 France                                                                                                                                                                                                           
 Dunkerque smelter                                                                                                                                    100.0%     69     71     71     70     71     138    141    
 Iceland                                                                                                                                                                                                          
 ISAL (Reykjavik) smelter                                                                                                                             100.0%     52     51     52     52     53     101    104    
 New Zealand                                                                                                                                                                                                      
 Tiwai Point smelter                                                                                                                                  79.4%      84     85     85     84     84     168    168    
 Oman                                                                                                                                                                                                             
 Sohar smelter                                                                                                                                        20.0%      97     95     97     96     95     194    191    
 United Kingdom                                                                                                                                                                                                   
 Lochaber smelter (a)                                                                                                                                 0.0%       12     12     10     -      -      24     -      
 (a) On 16 December 2016, Rio Tinto completed the sale of its 100% interest in the Lochaber aluminium smelter.                                        
 Rio Tinto percentage interest shown above is at 30 June 2017. The data represent full production and sales on a 100% basis unless otherwise stated.  
 
 
 Rio Tinto operational data                                                                                                                           
                                                                                                                                                                                                                         
                                                                                                                                                      Rio Tinto  Q2      Q3      Q4      Q1      Q2      H1      H1      
                                                                                                                                                      interest   2016    2016    2016    2017    2017    2016    2017    
                                                                                                                                                                                                                         
 BAUXITE                                                                                                                                                                                                                 
 Bauxite production ('000 tonnes)                                                                                                                                                                                        
 Australia                                                                                                                                                                                                               
 Gove mine - Northern Territory                                                                                                                       100.0%     2,186   2,521   2,169   2,388   2,780   4,400   5,168   
 Weipa mine - Queensland                                                                                                                              100.0%     7,560   7,642   7,700   6,893   7,805   14,084  14,699  
 Brazil                                                                                                                                                                                                                  
 Porto Trombetas (MRN) mine                                                                                                                           12.0%      3,920   4,441   4,296   2,974   4,071   7,725   7,045   
 Guinea                                                                                                                                                                                                                  
 Sangaredi mine (a)                                                                                                                                   23.0%      4,126   3,836   3,856   3,699   3,979   8,331   7,678   
                                                                                                                                                                                                                         
 Rio Tinto share of bauxite shipments                                                                                                                                                                            
 Share of total bauxite shipments ('000 tonnes)                                                                                                       11,683     12,743  11,996  11,605  12,164  22,836  23,769  
 Share of third party bauxite shipments ('000 tonnes)                                                                                                 7,101      8,093   7,345   6,927   7,962   13,870  14,890  
                                                                                                                                                                                                                         
 (a) Rio Tinto has a 22.95% shareholding in the Sangaredi mine but benefits from 45.0% of production.                                                 
 Rio Tinto percentage interest shown above is at 30 June 2017. The data represent full production and sales on a 100% basis unless otherwise stated.  
 
 
 Rio Tinto operational data                                                                                                                           
                                                                                                                                                                                                                  
                                                                                                                                                      Rio Tinto  Q2     Q3     Q4     Q1     Q2     H1     H1     
                                                                                                                                                      interest   2016   2016   2016   2017   2017   2016   2017   
                                                                                                                                                                                                                  
 BORATES                                                                                                                                                                                                          
 Rio Tinto Borates - borates                                                                                                                          100.0%                                                      
 US                                                                                                                                                                                                               
 Borates ('000 tonnes) (a)                                                                                                                                       123    132    121    123    133    250    256    
 (a) Production is expressed as B2O3 content.                                                                                                         
                                                                                                                                                                                                                  
 COAL                                                                                                                                                                                                             
 Rio Tinto Coal Australia                                                                                                                                                                                         
 Bengalla mine (a)                                                                                                                                    0.0%                                                        
 New South Wales                                                                                                                                                                                                  
 Thermal coal ('000 tonnes)                                                                                                                                      -      -      -      -      -      1,476  -      
 Hail Creek Coal mine                                                                                                                                 82.0%                                                       
 Queensland                                                                                                                                                                                                       
 Hard coking coal ('000 tonnes)                                                                                                                                  1,466  1,522  1,470  1,134  1,002  2,958  2,136  
 Thermal coal ('000 tonnes)                                                                                                                                      806    960    910    1,065  1,074  1,897  2,139  
 Hunter Valley Operations (b)                                                                                                                         67.6%                                                       
 New South Wales                                                                                                                                                                                                  
 Semi-soft coking coal ('000 tonnes)                                                                                                                             651    1,245  859    800    284    1,616  1,084  
 Thermal coal ('000 tonnes)                                                                                                                                      3,104  2,361  2,550  2,851  3,539  5,014  6,390  
 Kestrel Coal mine                                                                                                                                    80.0%                                                       
 Queensland                                                                                                                                                                                                       
 Hard coking coal ('000 tonnes)                                                                                                                                  745    1,158  1,227  816    916    1,693  1,732  
 Thermal coal ('000 tonnes)                                                                                                                                      120    281    271    159    177    293    335    
 Mount Thorley Operations (b)                                                                                                                         80.0%                                                       
 New South Wales                                                                                                                                                                                                  
 Semi-soft coking coal ('000 tonnes)                                                                                                                             414    187    353    337    389    880    726    
 Thermal coal ('000 tonnes)                                                                                                                                      315    758    1,035  562    746    1,057  1,308  
 Rio Tinto percentage interest shown above is at 30 June 2017. The data represent full production and sales on a 100% basis unless otherwise stated.  
 
 
 Rio Tinto operational data                              
                                                                                                                           
                                                         Rio Tinto  Q2      Q3      Q4      Q1     Q2      H1      H1      
                                                         interest   2016    2016    2016    2017   2017    2016    2017    
                                                                                                                           
 COAL (continued)                                                                                                          
 Warkworth mine (b)                                      55.6%                                                             
 New South Wales                                                                                                           
 Semi-soft coking coal ('000 tonnes)                                218     135     190     268    202     485     470     
 Thermal coal ('000 tonnes)                                         2,188   2,035   1,330   1,520  1,696   3,860   3,216   
 Total hard coking coal production ('000 tonnes)         2,210      2,680   2,697   1,950   1,918  4,650   3,869   
 Total semi-soft coking coal production ('000 tonnes)    1,284      1,567   1,402   1,405   875    2,981   2,280   
 Total thermal coal production ('000 tonnes)             6,533      6,395   6,096   6,156   7,232  13,598  13,388  
 Total coal production ('000 tonnes)                                10,026  10,642  10,196  9,512  10,026  21,229  19,538  
                                                                                                                           
 Total coal sales ('000 tonnes)                                     10,357  10,129  10,241  8,792  9,871   21,403  18,664  
 Rio Tinto Coal Australia share (c)                                                                                        
 Share of hard coking coal sales ('000 tonnes)           1,879      2,332   2,395   1,524   1,717  3,977   3,241   
 Share of semi-soft coal sales ('000 tonnes) (d)         1,075      904     1,043   765     759    2,197   1,525   
 Share of thermal coal sales ('000 tonnes) (d)           4,260      3,958   3,979   3,946   4,539  8,547   8,486   
                                                                                                                           
 (a) Rio Tinto sold its interest in the Bengalla Joint   
 Venture with an effective date of 1 March 2016.         
 (b) On 24 January 2017, Rio Tinto announced a binding   
 agreement to sell Coal & Allied, a wholly owned         
 subsidiary of Rio Tinto Coal Australia (RTCA). This     
 includes Coal & Allied's 67.6% interest in the Hunter   
 Valley Operations mine, 80% interest in the Mount       
 Thorley mine and 55.6% interest in the Warkworth mine.  
 In an earlier restructuring of the Coal & Allied group  
 completed on 3 February 2016, Rio Tinto had obtained    
 100% of Coal & Allied and retained a 67.6% interest in  
 the newly created Hunter Valley Operations joint        
 venture. Prior to restructuring, Rio Tinto's interest in 
 the Hunter Valley Operations, Mt Thorley and Warkworth  
 mines was 80%, 64% and 44.46% respectively.             
 (c) Kestrel and Hail Creek produce hard coking coal and 
 thermal coal through their mining operations. Both mines 
 may blend coal types at ports.                          
 (d) Sales relate only to coal mined by the operations   
 and exclude traded coal.                                
 Rio Tinto percentage interest shown above is at 30 June 
 2017. The data represent full production and sales on a 
 100% basis unless otherwise stated.                     
 
 
 Rio Tinto operational data                                                                                                                                                                                                                                                                                                                                                                                                                      
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                 Rio Tinto  Q2      Q3      Q4      Q1      Q2      H1      H1      
                                                                                                                                                                                                                                                                                                                                                                                                                                                 interest   2016    2016    2016    2017    2017    2016    2017    
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
 COPPER & GOLD                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
 Escondida                                                                                                                                                                                                                                                                                                                                                                                                                                       30.0%                                                              
 Chile                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
 Sulphide ore to concentrator ('000 tonnes)                                                                                                                                                                                                                                                                                                                                                                                                      22,905     20,787  19,866  8,054   18,777  44,094  26,831  
 Average copper grade (%)                                                                                                                                                                                                                                                                                                                                                                                                                                   0.94    0.87    1.02    1.01    1.07    0.97    1.05    
 Mill production (metals in concentrates):                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
 Contained copper ('000 tonnes)                                                                                                                                                                                                                                                                                                                                                                                                                             181.7   153.2   168.6   67.7    167.0   357.5   234.7   
 Contained gold ('000 ounces)                                                                                                                                                                                                                                                                                                                                                                                                                               36      28      38      11      34      67      45      
 Contained silver ('000 ounces)                                                                                                                                                                                                                                                                                                                                                                                                                             1,874   1,229   1,323   543     1,234   3,418   1,777   
 Recoverable copper in ore stacked for leaching ('000 tonnes) (a)                                                                                                                                                                                                                                                                                                                                                                                77.4       88.9    76.4    22.8    60.7    166.1   83.5    
 Refined production from leach plants:                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
 Copper cathode production ('000 tonnes)                                                                                                                                                                                                                                                                                                                                                                                                                    85.3    70.5    71.5    27.2    62.8    170.1   90.0    
 (a) The calculation of copper in material mined for leaching is based on ore stacked at the leach pad.                                                                                                                                                                                                                                                                                                                                          
 Freeport-McMoRan Copper & Gold                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
 Grasberg mine (a)                                                                                                                                                                                                                                                                                                                                                                                                                               0.0% (b)                                                           
 Papua, Indonesia                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
 Ore treated ('000 tonnes)                                                                                                                                                                                                                                                                                                                                                                                                                                  14,141  16,608  15,630  7,849   17,018  28,390  24,867  
 Average mill head grades:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
 Copper (%)                                                                                                                                                                                                                                                                                                                                                                                                                                                 0.84    1.02    1.08    1.15    0.99    0.77    1.04    
 Gold (g/t)                                                                                                                                                                                                                                                                                                                                                                                                                                                 0.48    0.69    0.97    1.17    1.03    0.50    1.07    
 Silver (g/t)                                                                                                                                                                                                                                                                                                                                                                                                                                               2.88    3.45    3.67    5.26    2.47    2.55    3.35    
 Production of metals in concentrates:                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
 Copper in concentrates ('000 tonnes)                                                                                                                                                                                                                                                                                                                                                                                                                       106.5   153.8   153.1   81.0    152.0   192.4   233.0   
 Gold in concentrates ('000 ounces)                                                                                                                                                                                                                                                                                                                                                                                                                         179     310     409     248     461     375     709     
 Silver in concentrates ('000 ounces)                                                                                                                                                                                                                                                                                                                                                                                                                       776     1,170   1,237   667     800     1,388   1,467   
 Sales of payable metals in concentrates: (c)                                                                                                                                                                                                                                                                                                                                                                                                                                                               
 Copper in concentrates ('000 tonnes)                                                                                                                                                                                                                                                                                                                                                                                                                       96.8    153.7   140.6   61.7    162.3   183.7   224.0   
 Gold in concentrates ('000 ounces)                                                                                                                                                                                                                                                                                                                                                                                                                         166     307     374     183     508     373     692     
 Silver in concentrates ('000 ounces)                                                                                                                                                                                                                                                                                                                                                                                                                       562     928     907     404     738     1,073   1,142   
 (a) Through a joint venture agreement with Freeport-McMoRan (FCX), Rio Tinto is entitled to 40% of additional material mined as a consequence of expansions and developments of the Grasberg facilities since 1998. The Q2 2017 results show the forecast from FCX's most recent five-year plan, because FCX is not releasing its actual 100% operating data for Q2 2017 until the release of its 2017 second-quarter results on 25 July 2017.  
 (b) Rio Tinto share of Grasberg production is 40% of the expansion.                                                                                                                                                                                                                                                                                                                                                                             
 (c) Net of smelter deductions.                                                                                                                                                                                                                                                                                                                                                                                                                  
 Rio Tinto percentage interest shown above is at 30 June 2017. The data represent full production and sales on a 100% basis unless otherwise stated.                                                                                                                                                                                                                                                                                             
 
 
 Rio Tinto operational data                                                                                                                           
                                                                                                                                                                                                                     
                                                                                                                                                      Rio Tinto  Q2     Q3     Q4     Q1     Q2      H1      H1      
                                                                                                                                                      interest   2016   2016   2016   2017   2017    2016    2017    
                                                                                                                                                                                                                     
 COPPER & GOLD (continued)                                                                                                                                                                                           
 Rio Tinto Kennecott                                                                                                                                                                                                 
 Bingham Canyon mine                                                                                                                                  100.0%                                                         
 Utah, US                                                                                                                                                                                                            
 Ore treated ('000 tonnes)                                                                                                                                       7,512  9,698  8,827  9,508  10,709  14,898  20,216  
 Average ore grade:                                                                                                                                                                                                  
 Copper (%)                                                                                                                                                      0.55   0.41   0.56   0.51   0.47    0.53    0.49    
 Gold (g/t)                                                                                                                                                      0.18   0.25   0.31   0.32   0.29    0.18    0.30    
 Silver (g/t)                                                                                                                                                    1.70   2.56   3.33   3.24   2.66    1.78    2.93    
 Molybdenum (%)                                                                                                                                                  0.023  0.031  0.040  0.025  0.025   0.019   0.025   
 Copper concentrates produced ('000 tonnes)                                                                                                           152        154    190    189    205    304     394     
 Average concentrate grade (% Cu)                                                                                                                                24.5   23.4   23.8   23.3   21.5    23.4    22.4    
 Production of metals in copper concentrates:                                                                                                                                                                
 Copper ('000 tonnes) (a)                                                                                                                                        37.2   36.2   45.1   44.3   44.0    71.4    88.2    
 Gold ('000 ounces)                                                                                                                                              28     41     57     54     54      54      108     
 Silver ('000 ounces)                                                                                                                                            329    522    751    711    669     671     1,380   
 Molybdenum concentrates produced ('000 tonnes):                                                                                                      0.3        1.6    3.4    1.7    1.5    0.6     3.2     
 Molybdenum in concentrates ('000 tonnes)                                                                                                                        0.2    0.8    1.8    0.9    0.8     0.3     1.6     
 Kennecott smelter & refinery                                                                                                                         100.0%                                                         
 Copper concentrates smelted ('000 tonnes)                                                                                                            167        220    207    136    160    325     296     
 Copper anodes produced ('000 tonnes) (b)                                                                                                             33.1       56.1   42.7   33.7   32.6   65.0    66.3    
 Production of refined metal:                                                                                                                                                                                        
 Copper ('000 tonnes)                                                                                                                                            24.6   39.1   67.0   29.8   20.3    50.4    50.1    
 Gold ('000 ounces) (c)                                                                                                                                          35.3   29.7   40.6   51.1   43.0    65.1    94.2    
 Silver ('000 ounces) (c)                                                                                                                                        587    415    465    402    729     935     1,131   
 (a) Includes a small amount of copper in precipitates.                                                                                               
 (b) New metal excluding recycled material.                                                                                                           
 (c) Includes gold and silver in intermediate products.                                                                                               
 Rio Tinto percentage interest shown above is at 30 June 2017. The data represent full production and sales on a 100% basis unless otherwise stated.  
 
 
 Rio Tinto operational data                                                                                                                           
                                                                                                                                                                                                                     
                                                                                                                                                      Rio Tinto  Q2     Q3     Q4     Q1      Q2     H1      H1      
                                                                                                                                                      interest   2016   2016   2016   2017    2017   2016    2017    
                                                                                                                                                                                                                     
 COPPER & GOLD (continued)                                                                                                                                                                                           
 Turquoise Hill Resources                                                                                                                                                                                            
 Oyu Tolgoi mine (a)                                                                                                                                  33.5%                                                          
 Mongolia                                                                                                                                                                                                            
 Ore Treated ('000 tonnes)                                                                                                                                       9,525  9,146  9,819  10,087  9,637  19,187  19,724  
 Average mill head grades:                                                                                                                                                                                           
 Copper (%)                                                                                                                                                      0.64   0.66   0.61   0.51    0.51   0.67    0.51    
 Gold (g/t)                                                                                                                                                      0.33   0.21   0.25   0.15    0.16   0.48    0.15    
 Silver (g/t)                                                                                                                                                    1.92   1.99   1.50   1.30    1.38   1.92    1.34    
 Copper concentrates produced ('000 tonnes)                                                                                                           207.1      203.2  206.7  176.0  171.0   436.6  347.0   
 Average concentrate grade (% Cu)                                                                                                                                24.9   22.9   22.0   21.6    21.8   25.0    21.7    
 Production of metals in concentrates:                                                                                                                                                                               
 Copper in concentrates ('000 tonnes)                                                                                                                            51.7   46.6   45.5   38.1    37.2   109.2   75.3    
 Gold in concentrates ('000 ounces)                                                                                                                              69.6   37.4   49.4   24.8    23.9   213.2   48.6    
 Silver in concentrates ('000 ounces)                                                

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