McArthur River Uranium Mine, in northern Saskatchewan, Canada, is the
world's largest high-grade uranium
The McArthur River deposit was discovered in 1988. The property is
located 620 air kilometres north of Saskatoon, Saskatchewan and 80 kilometres northeast of the Key Lake mill in the
uranium rich Athabasca Basin.
Mine construction began in 1997, with production commencing in
1999. The mine achieved full commercial production in November
2000. Production is regulated at 18.7 million
pounds of yellowcake a year with the ore
being processed through the Key Lake
As of December 31, 2007, the mine has proven and probable reserves
of 766,500 tonnes at an average grade of 20.66% U3O8
In 2000 the McArthur River mine was awarded the Canadian
Institute of Mining, Metallurgy and Petroleum
's John T. Ryan Trophy
for the best safety record
for metal mines in Canada for that year.
The mine is owned by Cameco Corporation
and AREVA Resources Canada Inc.
formerly COGEMA Resources Inc. Cameco