(2) stories found containing 'usgs sorts critical mineral hierarchy'
Sorted by date Results 1 - 2 of 2
USGS sorts critical mineral hierarchy
When you consider the 17 rare earths and six platinum metals individually, more than 50 of the elements on the periodic table have been deemed critical to the economic wellbeing and... — Updated 12/23/2020 Full story
COVID exposes chink in US metal armor
In addition to dealing a major blow to the economy, the COVID-19 pandemic has shined a spotlight on a chink in the United States' economic and security armor – an overreliance on foreig... — Updated 12/23/2020 Full story