Traceelement content and partitioning in calcite, dolomite ... DeepDyve
Abstract A carbonatite sample from Phalaborwa, South Africa, consists of apatite, magnetite and a calcite dolomite 'perthite' which is interpreted as being due to exsolution of dolomite from a highMg calcite precursor. Carbon and oxygen isotope data indicate that the carbonates are equilibrated. In situ ion microprobe analyses for Fe, Mn, Na, Si, Y, the REEs, Pb, Th and U give the ...