Uk Or Australia, Which Is Better For Post Graduate Studies?

I have just been offered 2 post graduate addmissions. I have an offer to study at University of Newcastle  and University of Adelaide. I am at a cross-road as to which offer to take. both are good course (Petroleum Geochemistry in Newcastle) and Petroleum Geoscience in Adelaide. The cost of tution is nearly the saame $25,200 for newcastle and $25100 for adelaide.
Can anyone advice.
Thanks