1. Department of Earth Science and Earth Research Institute University of California, Santa Barbara Santa Barbara CA USA
2. Géosciences Montpellier Université de Montpellier Montpellier France
3. Université Jean‐Monnet Laboratoire Magmas et Volcans UCA‐CNRS‐IRD Aubière France
4. Sobolev Institute of Geology and Mineralogy Siberian Branch Russian Academy of Sciences Novosibirsk Russia
5. Institute of the Earth's Crust Siberian Branch Russian Academy of Sciences Novosibirsk Russia