Energy and Natural Resources Minister Jonathan Wilkinson announced an expansion of Canada's critical minerals list on Monday, adding high-purity iron, phosphorus, and silicon metal to the existing 31 ...

The Interior Department on Thursday announced an updated critical minerals list that includes metallurgical coal and both phosphate and potash, two key ingredients for common fertilizers. The final ...

A rare earth metal called samarium that is used in defense, cancer treatments and navigation has been named by the U.S. Geological Survey as the weakest link in the critical mineral supply chain.

The Department of the Interior's U.S. Geological Survey is asking for public comment on a draft list of critical minerals that includes potash, an addition sought by the fertilizer industry. The list ...

The U.S. Geological Survey has proposed to remove uranium and four other minerals from the national list of critical minerals, and add two minerals, nickel and zinc. The U.S. Geological Survey has ...