Canada sources approximately 20 to 30% of the world’s annual uranium output. As such, Canada is the largest producer of natural uranium in the world.

Cesium is a relatively rare chemical element. It is present in the Earth’s crust at an average of approximately 3 parts per million. More than two-thirds of the world’s reserve of Cesium – 110,000 tonnes – is found at Bernic Lake, Manitoba, Canada.