There's a process at work here. Terry Burgess doesn't just pick...

There's a process at work here. Terry Burgess doesn't just pick up the phone and buy a company. Copper is obviously preferred to gold, there's a preference for certain countries, and most likely a sell of from the big three's non-core assets occurring soon. Most importantly, there is no point buying into something that has a cost increase or delay around the corner - you're better off earning interest in the bank. The range of tonnage on offer is huge - between "50,000 and 150,000 tonnes of copper a year" - certainly worth waiting for the right fit. Here's some commentary:

http://www.theaustralian.com.au/business/mining-energy/pressure-mounts-on-oz-minerals-to-buy-up-big/story-e6frg9df-1226543367470

http://blogs.wsj.com/dealjournalaustralia/2012/12/28/oz-minerals-struggles-to-tap-ma-vein-in-copper-gold/