CobalTech Mining Inc, formerly Big North Graphite Corp., is a Canada-based exploration-stage Company. The Company is engaged in exploration and development of mineral properties in Canada and Mexico. The Company's segments include mining and exploration. The Company is engaged in acquisition, exploration, development of mineral properties, which include Luciana-Gold, Griffith and Brougham-Graphite, and Grand Lac du Nord-Graphite in Canada, and mining of Nuevo San Pedro, Aki Wiki in Mexico. The Company holds interest in the Duncan Kerr Property, which is located within the Cobalt camp in northeastern Ontario. It consists of approximately 32.37 hectares.