 Georgetown area may have been part of North America 1.7 billion years ago based on the characteristics of rocks found in Georgetown matching those of northern Canada rather than the rest of Australia.Researchers at Curtin University have postulated that 100 million years later, this landmass collided with what is now northern Australia, at the Mount Isa region, forming the Nuna supercontinent.Georgetown was on the northern border of Ewamin lands.