This paper presents a review by the Bureau of Mines on the 1985 status of the rare earths industry in the market economy countries (mec). Demonstrated resources for the 38 evaluated mec properties are estimated at 3.3 million metric tons of recoverable rare-earth oxides. About 75 pct of the total is contained in producing properties, and 21 pct is contained in undeveloped properties; the remaining 4 pct is contained in past producers. Total mec production in 1985 was estimated at 30,500 mt. Assuming demand does not increase sharply, producing properties can continue to meet overall rare earths demand through at least the end of this century.
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