 The Red Dog ore body is one of the world's most significant zinc deposits, containing a number of ore bodies.The mine is located in Alaska's Northwest Arctic Borough, in the DeLong Mountains of the western Brooks Range, 90 miles north of Kotzebue and 55 miles from the Chukchi Sea.At the end of 2007, the site's proven and probable reserves plus indicated resources amounted to 77.5 million tons, containing 17.5 percent zinc and 4.8 percent lead, as well as 2.8 ounces per ton of silver.