What about gold, another great source of wealth for Anglo American?

ECONOMIST: Harry Oppenheimer

Holmes said he expects this source of support for gold to continue, with authorities in these nations looking to gold as they become leery of the rising debt levels and the lack of fiscal discipline devaluing the currencies of other countries.

FORBES: U.S. Global Investors' Holmes: More Gains Ahead For Gold As Monetary Base Expands

It requires companies to examine their supply chains and disclose to the Securities and Exchange Commission (SEC) whether they source tin, tungsten, tantalum, or gold from conflict-mines in the DRC or surrounding countries.

FORBES: Progress Being Made In Eliminating Conflict From Minerals Supply Chains

The Arctic is already a big source of minerals, including zinc in Alaska, gold in Canada, iron in Sweden and nickel in Russia, and there is plenty more to mine.

ECONOMIST: The melting north | The

Still the world's greatest source of diamonds, it is also the world's top-ranked producer of gold, platinum and several other valuable metals.

FORBES: Hitting The Gas