CUB,
You can find copper, gold, iron ore, REE's and nickel on nearly every piece of land in Australia.
It does not mean that they are "economic". I hasten to guess that "economic" is really another term for "profitable". Is this your understanding of the term "economic"?
Yep, Radio Hill proved that in the past. How much copper and nickel do they have?
:)
Nic