The Red Dog mine is a large zinc and lead mine in a remote region, about 80 miles (130 km) north of Kotzebue, which is owned and operated by the Canadian mining giant Teck Resources. It is located within the boundaries of the Red Dog Mine census-designated place in the Northwest Arctic Borough of the U.S. state of Alaska.

The mine is the world's largest producer of zinc and has the world's largest zinc reserves. Red Dog accounts for 10% of the world's zinc production. Red Dog accounted for 55% of the mineral value produced in Alaska in 2008.

In 2008 the mine produced 515,200 metric tons of zinc, 122,600 metric tons (120,700 LT; 135,100 ST) of lead, and 283 metric tons (9,100,000 ozt) of silver, for a total metal value of over one billion dollars. 

At the end of 2008 the mine had reserves of 61,400,000 metric tons (60,400,000 LT; 67,700,000 ST) of zinc at a grade of 17.1% and 61,400,000 tonnes (60,400,000 LT; 67,700,000 ST) of lead at a grade of 4.5%.

The world's largest zinc mine is the Red Dog open-pit zinc-lead-silver mine in Alaska, with 4.2% of world production. 

According to en.wikipedia