| Reference | {Deposit:: BRASILIA, DEPARTAMENTO NACIONAL DA PRODUCAO MINERAL, 1984, ANUARIO MINERAL BRASILEIRO, 1984}{Deposit:: TOLBERT, G.E., 1966, THE URANIFEROUS ZIRCONIUM DEPOSITS OF THE POCOS DE CALDAS PLATEAU, BRAZIL: U.S. GEOLOGICAL SURVEY BULLETIN. 1185-C, 20P.}{Production:: ZR/21} |