| Affiliation: | 1. Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, Koptyug Ave. 3, Novosibirsk 630090, Russian Federation;2. Institute of Plant and Animal Ecology, Urals Branch of the Russian Academy of Sciences, 8 Marta St. 202, Yekaterinburg 620144, Russian Federation;3. Institute of History and Archaeology, Urals Branch of the Russian Academy of Sciences, Rosa Luxemburg St. 56, Yekaterinburg 620026, Russian Federation;4. NSF-Arizona AMS Laboratory, University of Arizona, Tucson, AZ 85721–0081, USA |
