Denver Stanfield

U.S. Geological Survey Discovers That ‘Rare’ Earth Elements Are Not So Rare

When we hear the term “rare earth elements,” it is easy to conjure images of elusive substances as if they were the stuff of legend. But these elements, including praseodymium, neodymium, terbium, and dysprosium, are not quite as rare as their name suggests. Recent research, such as the U.S. Geological Survey’s investigation into “crystal abundance,” […]