diversification

Hi,

I am a longterm investor with Norton. I like this turnaround story and I think the market does not yet fully understand the potential of this company.
I want to invest some more money in Australian Miners but since I would prefer some kind of diversification I wonder what company could be as compelling as Norton. I would be very grateful for any hints so that I can start my research.
What miners are interesting, inclusively working on a turnaround?

Thanks very much