Figure F65. A. Primitive mantle-normalized (Sun and McDonough, 1989), incompatible trace element patterns for Site 1138 basalts. Upper series lavas (solid diamonds) and lower series lavas (shaded diamonds) both show striking Sr depletions, interpreted to reflect plagioclase fractionation. B. Patterns for basalt compositions from other Kerguelen Plateau sites. The Site 1138 data are intermediate between those basalts from Sites 1136 and 1137 and most similar to basalts from Site 747.