Zazu Metals Corp. is exploring what it believes is one of the largest undeveloped zinc-lead deposits in the world. Lik, the zinc-lead-silver-rich property that the Vancouver B.C.-based junior is lauding, is located about 22 kilometers, or 14 miles, northeast of Red Dog Mine, the world's largest zinc producer.

Previous explorers left behind a 1,300-meter airstrip and a historic camp at the 5,500-ac...