PolarX Limited engages in the exploration and development of mineral properties in the United States. The company primarily explores for copper, gold, and silver deposits. Its flagship property is the Alaska Range project comprising the Stellar Gold Copper property with 231 contiguous state mining claims; Caribou Dome Copper property with 216 contiguous state mining claims; and the Senator Copper property mineral claims in Alaska. PolarX Limited is based in Subiaco, Australia.