What precious metal did both McIntyre Mines and the Kemess Mine dig for?
McIntyre Mines The McIntyre mine is an abandoned underground gold mine in Schumacher, Ontario, Canada, which has earned a place in Canadian mining history as one of the nation's most important mines. Its iconic headframe, located near downtown Timmins, has come to represent the entire Porcupine Gold Rush. The McIntyre also yielded a considerable amount of copper over its life.
Mir mine The Mir mine (Russian: Кимберлитовая алмазная трубка «Мир» "Kimberlitovaya Almaznaya Trubka "Mir""; English: kimberlite diamond pipe "Peace"), also called the Mirny mine, is an open pit diamond mine located in Mirny, Sakha Republic, in the Siberian region of eastern Russia. The mine is 525 metres deep (1722.44 feet) (4th in the world) and has a diameter of 1200 m , and is one of the largest excavated holes in the world.