Resumen de SME 2013: New challenges propel processing forward
Based on these definitions, high value industrial minerals such as lithium are not considered to be "critical", while relatively low value minerals such as the rare earth cerium are deemed "near critical", [Jim Hedrick] explained.
"The conclusion is generally that we need to mine more of these minerals," [Patrick Taylor] told IM, "but these resources don't just appear by magic." "Lists of critical minerals tend to be generated by [government departments, like] the US Department of Energy," Taylor explained, "but these often differ from the resources that corporations consider to be most vital."
