fingermarks clue

ok then...clue is;
"If you could have the most prospective ground for the hottest element in the periodic tables anywhere in Australia, where would it be?? Be as specific as you can"....
morgz1 has got Ti Tree in NT with a gold mine, and I have something close with a hard wood on some kind....i assume hottest element is Uranium in terms of hot topic and market darling element, but most prospective ground....got me there.....i'll go and look at morgz1's link for tree types and come back....