Adex Mining Inc. is a Canadian enterprise dedicated to the exploration and... Adex Mining Inc. is a Canadian enterprise dedicated to the exploration and development of mineral properties. The company's primary focus involves identifying deposits rich in metals such as tin, indium, zinc, molybdenum, and tungsten. A significant asset within its portfolio is the complete ownership of subsurface mineral rights covering the approximately 1,600-hectare Mount Pleasant mine area, situated in New Brunswick, Canada. Founded in Toronto, Canada, in 1992, Adex Mining Inc. currently operates as a subsidiary of Great Harvest Canadian Investment Company Limited.