Hollywood actor Nicolas Cage has agreed to turn over a rare stolen dinosaur skull he bought for $276,000 to U.S. authorities so it can be returned to the Mongolian government.<br />The office of Preet Bharara, the U.S. attorney in Manhattan, filed a civil forfeiture complaint last week to take possession of the Tyrannosaurus bataar skull, which will be repatriated to Mongolia.<br />The lawsuit did not specifically name Cage as the owner, but Cage's publicist confirmed that the actor bought the skull in March 2007 from a Beverly Hills gallery, I.M. Chait.<br />The "National Treasure" actor is not accused of wrongdoing, and authorities said he voluntarily agreed to turn over the skull after learning of the circumstances.