fig11.htm

Figure 11. Yb-Eu diagram for the tonalite-trondhjemite gneiss from the KSDB, Kola-Norwegian and Murmansk blocks.
1-5 - calculated composition fields in model melts generated under dehydration (solid line) and water-saturated (dash line) melting of sources TH1, TH2 and NMORB in equilibrium with five types of restite (the types of restitic assemblages are the same as in Tables 7 and 8). 6 -  TT rocks of KSDB. Plagiogneiss and plagiogranitoids of the Kola-Norwegian block: 7 - Varanger, 8 - Kirkenes, 9 - Garsjo. TT rocks of the Murmansk block: 10 - Port-Arthur, 11 - Lumbovka, 12 - Dalnye Zelentsy, 13 - Ura-Guba, 14 - dash and arrow showing the direction of the evolution trend of the element content under fractional crystallisation (0-50%).


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