%0 Journal Article %T Comparison of oceanic crust accretion features with low-velocity and ultralow-velocity spreading %A Astafurova, E.G. %A Gurevich, N.I. %A Daniel', E.D. %A Mashchenkov, S.P. %K oceanic crust, accretion, spreading, Mid-Atlantic Ridge, Gakkel Ridge. %J Russian Journal of Earth Sciences %D 2001 %N 2 %P 6 %I Geophysical Center of the Russian Academy of Sciences