The 2006 mineral reserves decreased by 0,8 Mt or 2,6% to 30,2 Mt (31,0 Mt) and the mineral resources show a limited decrease of 1 Mt or 1% to 87,3 Mt (88,3 Mt).The reason for the change is that no additional exploration drilling was conducted to increase the resource base, so the 2005 resources became depleted by the year’s production.
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