Mines/Canada
McArthur River / Key Lake mine
McArthur River / Key Lake mine, Canada. Producing, underground, mining uranium since 1999.
Why McArthur River / Key Lake is famous
McArthur River mine (in service since 1999) feeds the Key Lake mill (since 1983). Ore is mined 530 to 640 m below surface. Together they have produced 583 million lb of U3O8 on a 100% basis.1,2
Story cards
What kind of deposit
McArthur River / Key Lake today
Where next
Sources
- McArthur River and Key Lake operation page Cameco Corporation
- data/minerals/operations.csv Prospector Trails (internal)
- Cigar Lake operation page Cameco Corporation
From the Prospector Trails mining history dataset: each fact links to the source it was checked against. Figures are as the source gives them, in the money of their day. Not investment advice.
Keep exploring
Stories with these minerals




All mining storiesThe world runs on rockAll mineralsMining by country
Cover photos from Wikimedia Commons: Super Pit, Kalgoorlie by Kgbo, CC BY-SA 4.0. Pictures: The laboratories of Marie and Pierre Curie, Paris: room where experiments on uranium ore took place. Photograph, ca. 1900., Unknown (Wellcome Collection) (Public Domain Mark 1.0); Elektrisk malmletning. Undersökningar på Billiton, 1920., Okänd / Europeana (Public Domain Mark 1.0).