TY JOUR TI Compositional heterogeneity of the continental mantle: Evidence from ultramafic xenoliths in cenozoic basalts from Northern Eurasia KW ultramafic xenoliths KW mantle KW geochemistry KW isotopic composition KW Northern Eurasia JO Russian Journal of Earth Sciences AU , .. PY 2015 IS 15 PB Геофизический центр Российской Академии Наук