Great Northern Minerals Limited engages in the exploration and development of mineral properties in Australia and the United States. It explores gold, silver, and copper deposits. The company holds interests in the Catalyst Ridge Project that comprises 214 lode mining claims covering an area of 18 square kilometers, located in California; Iron Butte Gold-Silver Project which covers an area of 465 hectares, situated in Nevada; and Douglas Creek Project. The company was formerly known as Greenpower Energy Limited and changed its name to Great Northern Minerals Limited in October 2019. Great Northern Minerals Limited was incorporated in 1899 and is based in Perth, Australia.