Arcadium Lithium (ASX:LTM) has been confirmed as a desired takeover target of mining behemoth Rio Tinto (ASX:RIO). Rio Tinto itself released an announcement on Monday morning, confirming it had “made an approach to Arcadium Lithium regarding a potential acquisition.” Rio was quick to point out the approach doesn’t actually guarantee anything, adding it would not make further comment lest appropriate. HotCopper users were quick to piece together the story in the background. Last month, Arcadium mothballed its lithium mine as low prices for the battery metal continue to drop projects all around …