00485nas a2200073   4500008003900000245026000039210006900299856004300368       1997                          d00aBALLENTINE, C.J., LEE, D.-C. and HALLIDAY, A.N. 1997. Hafnium isotopic studies of the Cameroon line and new HIMU paradoxes. Chemical Geology, 139: 111-24.BARROS, L.A. 1960. A Ilha do Principe e a "Linha dos Camaroes". Memorias, Serie Geologica, Junta de I0 aBALLENTINE CJ LEE DC and HALLIDAY AN 1997 Hafnium isotopic studi  uhttps://alkcarb.myrocks.info/node/7407