- Upper Chegem volcanic caldera (Verkhnechegemskaya caldera)
| Galuskina, I. O., Galuskin, E. V., Dzierzanowski, P., Gazeev, V. M., Prusik, K., Pertsev, N. N., Winiarski, A., Zadov, A. E., Wrzalik, R. (2010) Toturite Ca3Sn2Fe2SiO12 — A new mineral species of the garnet group. American Mineralogist, 95 (8) 1305-1311 doi:10.2138/am.2010.3421 |
Xenolith no. 3, Lakargi Mountain, Upper Chegem volcanic caldera, Baksan Valley, Kabardino-Balkaria, Russia