Analysis of geochemical characteristics of rocks using machine learning methods Ksenia Degtyareva, Oksana Kukartseva, Vadim Tynchenko, Timofey Mariupolskiy and Denis Pereverzev E3S Web Conf., 583 (2024) 01007 Published online: 25 October 2024 DOI: 10.1051/e3sconf/202458301007