Rio Tinto mulls $300M writedown as uranium mine expansion cancelled

[caption id="attachment_826698" align="aligncenter" width="600"] Flooded mine pits at the Ranger uranium mine, in Kakadu National Park, 2011.[/caption] Mining giant Rio Tinto (LON, ASX:RIO) is contemplating to take a writedown of about $300 million after its subsidiary Energy Resources of Australia...