The Pebble Cu-Au-Mo-Ag Porphyry deposit in southwest Alaska is one such deposit, with a global resource of just under 11 billion tonnes ( measured, indicated and inferred) with a contained metal resource of 70,000,000,000 pounds copper, 107,000,000 ounces gold, 5,580,000,000 pounds molybdenum and 510,000,000 ounces silver.