Reference | {Deposit:: ALVARADO, BENJAMIN, 1970 , IRON ORE DEPOSITS OF SOUTH AMERICA, IN SURVEY OF WORLD IRON ORE RESOURCES -- OCCURRENCE AND APPRAISAL: NEW YORK, UNITED NATIONS, P. 302 - 380 . 433 QUN22S}{Deposit:: DORR, J. V. N., II, AND BARBOSA, A. L. M., 1963 , GEOLOGY AND ORE DEPOSITS OF THE ITABIRA DISTRICT, MINAS GERAIS, BRAZIL: U. S. GEOLOGICAL SURVEY PROF. PAPER 341 - C, P. C 1 - C 110.}{Deposit:: SKILLINGS, D. N., JR., 1973 B, FERTECO MINERACAO: SKILLINGS MINING REV., V. 62 , NO. 24 , P. 1 , 10 - 13 , 16 - 18}{Reserve-Resource:: ALVARADO, B., 1970 ; SKILLINGS, D. N., JR., 1973 B} |