Alto Ligonha Naipa

"ESTUDO DOS CAMPOS PEGMATITICOS DA ZAMBEZIA RELATORIO DAMISSAS DE ESTUDOS EM MOZAMBIQUE CAMPANHA DE 1963,"JUNTA DE ENERGIA NUCLEAR, 1963, PP. 145-153, 275-276,282-283.HUTCHINSON, R.W., AND R.J. CLAUS, "PEGMATITE DEPOSITS,ALTO LIGONHA, PORTUGESE EAST AFRICA," ECONOMIC GEOLOGY,1956, V. 51, PP. 757-780/.KNORRING, O. VON, "MINERALOGICAL RECONNAISE OF SOMEPEGMATITIES IN MADAGASCAR AND MOZAMBIQUE," 17TH ANNUALINSTITUTE OF AFRICAN GEOLOGY, UNIVERSITY OF LEEDS, 1974,PP. 34-38."MOZAMBIQUE PROJECT FOR HUNTING," MINING JOURNAL, JUNE 4,1982, P. 418.NEIVA, J.M. COTELO AND J.M. CORREIA NEVES, "PEGMATITES OFALTO LIGONHA," MINERALS AND GENESIS OF PEGMATITES,PP. 53-62.NEVES, J.M. CORREIA, J.E. LOPES NUNES, AND DARLINDO B.LUCAS, "MINERALOGY AND GEOCHEMISTRY OF PEGMATITES OFMOZAMBIQUE," 24TH INTERNATIONAL GEOLOGICAL CONFERENCE,SECTION 10, 1972, PP. 37-44.LINDEN, JOHN, "TANTALUM: COST OF PRODUCTION," TANTALUMPRODUCERS INTERNATIONAL STUDY CENTER, QUARTERLY BULL.,#34, JUNE 1983, PP. 2-5."TROPICAL AFRICAN ADVISORY GROUP TRADE MISSION TO MOZAMBIQUEBRITISH OVERSEAS TRADE BOARD, OCTOBER 15-29, 1980.