Transition metals Hubbert peak theory



hubbert applied theory rock containing abnormally high concentration of given metal , reasoned peak production metals such copper, tin, lead, zinc , others occur in time frame of decades , iron in time frame of 2 centuries coal. price of copper rose 500% between 2003 , 2007 , attributed peak copper. copper prices later fell, along many other commodities , stock prices, demand shrank fear of global recession. lithium availability concern fleet of li-ion battery using cars paper published in 1996 estimated world reserves adequate @ least 50 years. similar prediction platinum use in fuel cells notes metal recycled.








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