What type of ore was mined at both Thompson-Lundmark Mine and Leckie Mine?
Leckie Mine Leckie Mine, also known as Penrose Mine and Little Dan Mine, is an abandoned gold producing underground mine in Northeastern Ontario, Canada, located on the eastern shore of Arsenic Lake 4 km north of the town of Temagami. It is entirely owned by Temagami Gold Inc. An estimated 483,500 tonnes of ore remain in the mine, which could contain 102,720 ounces of gold.
Gumyoshevsky mine The Gumyoshevsky mine (Russian: Гумёшевский рудник , "Gumjoshevskij rudnik" ), also called Gumeshki, Gumeshevsky or Gumishevskoye mine is a copper mine located in the town of Polevskoy, in Sverdlovsk Oblast of Russia. It has estimated reserves of 48.5 million tonnes of ore grading 1.02% copper. It was called "The Copper Mountain" or simply "The Mountain" by the local populace.