| Reference | {Deposit:: BRASILIA, DEPARTAMENTO NACIONAL DA PRODUCAO MINERAL, 1984, ANUARIO MINERAL BRASILEIRO, 1984}{Deposit:: BRAZIALIAN CORRESPONDENT., 1987, BRAZILIAN ZIRCON OUTPUT UP 20 PERCENT: METAL BULLETIN 7155, P. 12.}{Deposit:: FANTEL, R.J., BUCKINGHAM, D. A., SULLIVAN, D.E., 1986, TITANIUM MINERALS AVAILABILITY-MARKET ECONOMY COUNTRIES, A MINERALS AVAILABILITY APPRAISAL: U.S. BUREAU OF MINES INFORMATION CIRCULAR. 9061, 48P.} |