Figure 12. Yb-Sr diagram for tonalite-trondhjemite gneiss from the KSDB, Kola-Norwegian
and Murmansk blocks.
1-9 - the same as in Figure 11; 10 - Ura-Guba plagiogranitoids;
11 - dash and arrow showing the direction of the evolution trend of the
element content under fractional crystallisation (0-50%).