Quantitative mineral resource assessment of copper, molybdenum, gold, and silver in undiscovered porphyry copper deposits in the Andes Mountains of South America

By Cunningham, Charles G.. Reston, VA U.S. Geological Survey 2008 . 282 p. , Prepared and published jointly by the geological surveys of Argentina, Chile, Colombia, Peru, and the United States

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Quantitative mineral resource assessment of copper, molybdenum, gold, and silver in undiscovered porphyry copper deposits in the Andes Mountains of South America