UPDATED O'HARA COST CHARTS
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All the O'Hara simple rule of thumb cost charts are now updated for 2009 actual production and costs.
These replace the 2008 charts. We have also added Southern Africa (South Africa, Zimbabwe and Zambia)
undergound mines to the range of charts. We now offer rule of thumb costs for Europe, Southern Africa,
Australia (including PNG and Indonesia), North America (USA and Canada)and Latin America (includes Mexico,
Peru, Chile and Brazil).
See the O'Hara Charts page.

UPDATED COST CURVES
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All cost curves are now current for 2010 actual prices for the year. Price changes affect credited costs
because the value of by-products depends on prices. We have re-estimated the 2010 cost curves for copper,
zinc, lead, silver and molybdenum. Iron ore, Manganese ore, Nickel and PGM cost curve are already current.
See the Cost Curves page.

In accordance with the minecost update policy, if you have downloaded any of these models and cost curves
over the past three months you are entitled to download the file(s) again at no additional charge.

See previous reports and updates.
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