%0 Journal Article %T Mantle substrate evolution of the Mid-Atlantic Ridge 14-16\deg N and 33\deg40apos; N: time and matter limitations of accretion processes of the oceanic lithosphere from the data of Sm-Nd research of isotope system %A Silantiev, S.A. %A Karpenko, S.F. %A Bel'yatskiy, B.V. %K Mid-Atlantic Ridge, mantle substrate evolution, accretion processes, oceanic lithosphere. %J Russian Journal of Earth Sciences %D 2001 %N 2 %P 15 %I Geophysical Center of the Russian Academy of Sciences