Bastion Minerals Limited engages in the mining exploration and evaluation business in Chile, Sweden, and Canada. The company explores for copper, gold, lithium, and rare earth elements. It holds 100% interest in the Battery Metals Projects, which is located in Western Australia. The company holds interest in the Canadian Lithium Project, which covers an area of approximately 63 square kilometers located in Ontario, Canada; and Gyttorp REE Project, which covers an area of approximately 115 square kilometers located in the Bergslagen district of Sweden. It holds interest cometa copper project; and battery metals projects. The company was formerly known as Comet Exploration Limited and changed its name to Bastion Minerals Limited in September 2020. Bastion Minerals Limited was incorporated in 2010 and is based in Sydney, Australia.