TY JOUR TI Features of the processed of crystallization and geochemistry of tholeiite magmas of the western end of African-Antarctic Ridge Shpiss Ridge in the area of Bouve triple junction KW crystallization and geochemistry of tholeiite magmas KW rift-type spreading zones KW igneous activity. JO Russian Journal of Earth Sciences AU Sushchevskaya, N.M. AU Koptev-Dvornikov, Y.V. AU Migdisova, N.A. AU Khvorov, D.M. AU Peyve, A.A. AU Skolotnev, S.G. AU Belyatskiy, B.V. AU Kamenetskiy, V.S. PY 1998 IS 1 PB Geophysical Center of the Russian Academy of Sciences