KAZAKHSTAN - OCTOBER 18:  Uranium concentrate, commonly known as U3O8 or yellowcake, sits in the Uvanas processing facility near the East Mynkuduk uranium deposit in Kyzemshek, Kazakhstan, on Thursday, Oct. 18, 2007. Yellowcake is the end-product of the in-situ leaching process employed in the nearby East Mynkuduk uranium mine.  (Photo by Daniel Acker/Bloomberg via Getty Images)