1. I.S. Gramberg All‐Russia Scientific Research Institute for Geology and Mineral Resources of the Ocean (FSBI ‘VNIIOkeangeologia’) Russia
2. Vinogradov Institute of Geochemistry Russia
3. Geological Institute Russian Academy of Sciences Russia
4. Institute of the Earth's Crust Siberian Branch of the Russian Academy of Sciences Russia
5. Irkutsk Scientific Center Siberian Branch of the Russian Academy of Sciences Russia
6. Irkutsk State University Russia
7. Institute of Geology and Mineralogy, VS Branch of the Russian Academy of Sciences Russia
8. Geoscience Center Göttingen Germany