Abstract
The history of studying and dating the latest volcanism of the Baikal Rift System (BRS) is conventionally divided into stages: 1) until the 1950s (discovery of young volcanoes), 2) 1950–1960s (primary determination of the age of the Cenozoic volcanogenic-sedimentary sequences using paleontological data), 3) 1970–1980s (determination of sequence of volcanic strata in the development of relief and pioneering radioisotope dating of volcanic rocks), 4) 1980–2005 (growth of geochronological and geochemical data on volcanic areas of Asia), and 5) 2005–2023 (synthesis of geochronological and geochemical data). The breakthrough in studying and dating of latest volcanism in the BRS resulted in substantiation of the development of mantle melting anomalies in the Japan–Baikal Geodynamic Corridor (JBGC) and its overlap by the Indo-Asian Convergence Region. A breakthrough in studying and dating of volcanic rocks that occurred by 2012 was basically confirmed by mass 39Ar/40Ar dating of 2018 in Central Mongolia.
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