Word: ilmen
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Dates: during 1950-1959
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...back burner for at least five years, is more abundant in the earth's crust than uranium, but usable concentrations are limited. It occurs in monazite sand deposits throughout the world, notably in Brazil, India, South Africa, Ceylon, Madagascar, Indonesia, Malaya and Russia's Ilmen Mountains. In the U.S. it is present in the sand of East Coast beaches, is also found in Idaho and Wyoming...