"The delays to the project being many, however it would seem that doing business with Xstrata has it's problems, especially when in a minority jv."
Er... are you actually suggesting that the ban on open-pit mining imposed by the PPs regional government wouldn't have gone ahead if the Tampakan project was being driven by a player other than Xstrata?
I have done some amazing research and concluded that an open-pit mining ban probably isn't going to happen in Queensland.