fig05.htm

Figure 5. Biotite composition illustrated by the plot Fe/Fe+Mg versus TiO2 content.
1 - biotite-plagioclase gneiss of KSDB, 2 - ATPC granitoids, 3 - Garsjo gneiss, 4 - Varanger gneiss, 5 - Kirkenes gneiss, 6 -  TT granitoids of the Murmansk block of the biotite-plagioclase gneiss (< 0.2% K2O). I-III - biotite from granulite, amphibolite and epidote-amphibolite fades, accordingly.


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