Cameco forecasts lower 2011 uranium production

The takeover has faced several hurdles, including a delayed shareholder vote in August and opposition from Fission’s largest investor.

Rook I project is considered to be the largest development-stage uranium deposit in Canada.

Russia, the world's largest supplier of enriched uranium, said last week it had imposed temporary restrictions on the fuel's export to the US.

Limits creates potential supply risks to utilities operating American reactors that generate almost a fifth of the country’s electricity.