TY JOUR TI Geochemical Characteristics of the Snow Cover of the Western Territory of the Far North of Russia – The Example of the Kola Peninsula and Karelian Coast KW Snow cover KW heavy metals KW rare earth elements KW insoluble fraction of snow KW contamination sources KW geochemical transformation KW environmental impact JO Russian Journal of Earth Sciences AU Kotova, E.I. AU Topchaya, V.Y. AU Lohov, A.S. PY 2026 IS 25 PB Geophysical Center of the Russian Academy of Sciences