Figure 6. The positions of the Elbrus volcanics in classification diagrams, after
Frost et al. [[2001].
Legend: granitoids: (F) ferrous, (M) magnesian, (C) calcareous, (C-a) calcareous-alkaline,
(A-c) subalkalic, (A) alkalic; (1, 2) rhyodacite: (1) precaldera), (2) early-caldera; (3-5) dacite: (3) late-caldera
cycle, (4) early post-caldera cycle, (5) late (Holocene) post-caldera cycle.