00544naa#a2200157#i#450# EN\\bibl\46684 20241127110026.3 1681-1208 20150225b2015####ek#y0engy0150####ca RU Compositional heterogeneity of the continental mantle: Evidence from ultramafic xenoliths in cenozoic basalts from Northern Eurasia Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2015 12 с. Journal article local Grachev A F rjes.ru