Figure 2. Schematic Geological map of Khibiny pluton (after Arzamastseva et
al. [1991]).
1 - carbonatites, 2 - rocks of foyaite complex, 3 - unregular-grained
nepheline syenites (lyavochorrites), 4 - massive urtites, 5 - gneissic ijolites, 6 -
trachytoid khibinites, 7 - poikilitic nepheline syenites (rischorrites), 8 - massive
khibinites, 9 - apatite-nepheline ores, 10 - Early Proterozoic volcanic-sedimentary
rocks of Imandra - Varsuga structure, 11 - Archean gneisses of the Kola domain.
Sample sites: square - outcrop, circle - borehole, number - number of sample
(Tables 1-5), letter shows - several samples at one and the same lockation; after slash
depth of a sample is shown 8/128; 9/1547; 10/282; 11/287; Z: 12/177, 13/216,
14/393.