Complex sentence: The Olympic Dam mine near Roxby Downs in northern South Australia is the largest deposit of uranium in the world, possessing more than a third of the world's low-cost recoverable reserves and 70% of Australia's.
Split into simpler sentences: The Olympic Dam mine near Roxby Downs in northern South Australia is the largest deposit of uranium in the world. Possessing more than a third of the world's low-cost recoverable reserves and 70% of Australia's.