McArthur River mine
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McArthur River mine is the world's largest high-grade uranium deposit. Since it began operating in 1999, it has also become the world's most productive uranium mine, contributing approximately 20% of total global uranium mining production. The mine produced 18.6 million pounds of yellowcake in 2004. The ore is processed through the Key Lake mill. The mine is owned by Cameco Corporation (70%) and COGEMA Resources Inc. (30%). McArthur River is located 620 air kilometres north of Saskatoon, Saskatchewan and 80 kilometres northeast of the Key Lake mill in the uranium rich Athabasca Basin.
