TY JOUR TI The age of magmatic and metamorphic events in the Mid-Atlantic Ridge: interpretation of K-Ar isotope dating data KW isotope dating KW magmatic KW metamorphic events KW Mid-Atlantic Ridge KW gneissose gabbro KW plutonic rocks. JO Russian Journal of Earth Sciences AU Silantiev, S.A. AU Levskiy, L.K. AU Arakelyants, M.M. AU Lebedev, V.A. AU Bougault, H.. AU Cannat, M.. PY 2001 IS 2 PB Geophysical Center of the Russian Academy of Sciences