As of February 23, 2014, where was the earth’s oldest known zircon crystals found?

And I thought I was old!

Hmmm, hospitable earth, mayhaps before dumocrats roamed the earth?

Player #7719043, I have heard from Arg, he is not happy that Bert is claiming he made that he made the Zircons. Arg says he remembers making them on a Friday night shift