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Worldwide Sources

Where does the raw material come from, to be melted at Affi's?

Affi does not operate a mine, it does not even hold shares of a mining enterprise. A 3.7% share of Freeport, West Papua, was sold in 1990. Ore concentrate is bought preferably on long term contracts from a couple of suppliers. In its business reports, suppliers of Affi are quoted countrywise. From this, the following table has been compiled.
business year  98/99  99/00  00/01  01/02 
Cu Cathodes 1000 t total  366  503  540  554 
Cu Cathodes 1000 t Luenen (scrap only)  135  180  180 
Cu Cathodes 1000 t Hamburg  366  368  360  374 
scrap metal 1000 t
114  140  69  60 
Concentrate 1000 t
737  729  842  958 
Cu in Concentrate %
35  32  35  33 
Cu from Concentrate 1000 t
258  235  294  314 
PNG %  16  10 
PNG 1000 t Concentrate
118  66  84  84 
PNG 1000 t Cu
41  21  29  16 
Indonesia %  14 
Indonesia 1000 t Concentrate
36  118  118 
Indonesia 1000 t Cu
12  41  22 
Chile %  37  44  39  32 
Chile 1000 t Concentrate
273  321  328  307
Chile 1000 t Cu
95  103  115  100 
Argentina %  15  13  15  18 
Argentina 1000 t Concentrate
111  95  126  172 
Argentina 1000 t Cu
39  31  44  57 
Peru %  20 
Peru 1000 t Concentrate
192 
Peru 1000 t Cu
63 
Portugal %  18  17  11 
Portugal 1000 t Concentrate
133  124  93  86 
Portugal 1000 t Cu
46  40  32  28 
Various %  14  12  11 
Various 1000 t Concentrate
103  87  93  86 
Various 1000 t Cu
36  28  32  28 

In 1999/2000, total copper production made a leap, because Affi aquired the smelter "Kayser" at Luenen, Westfalia. At Luenen, only scrap is processed. Scrap input to the utility at Hamburg was decreased in favour of Luenen. In 2001, smelter capacity for ore concentrate at Hamburg was expanded from 740 000 to 1 000 000 tons/year. Since exact figures are not available, an average copper content in concentrate is applied to all countries.

To find out, which mines of the different countries supply Affi, we checked other publications, e.g. the US Minerals Yearbook.
For some countries, like Argentina and Portugal, there is but one mine, for countries with more alternatives, sufficient side information was found on the web, to produce the following list of mines, that regularly supply Affi:

  • Alumbrera, Argentina
  • Collahuasi, and Escondida, Chile
  • Batu Hijau, Indonesia
  • Ok Tedi, Papua Newguinea
  • Antamina, Peru
  • Somincor, Portugal
created August 2003


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