Figure 5. Zr vs. Y variation diagrams for the Site 1067 amphibolites and tonalite gneiss. The Site 1067 samples are shown in relation to the Site 899 metamicrogabbros, Site 900 metagabbros, and Site 1068 clasts of metagabbro, amphibolite, and meta-anorthosite. The fields of oceanic gabbro compositions from the Southwest Indian Ridge (Leg 118) and Mid-Atlantic Ridge (Leg 153) are displayed. Also shown are the approximate paths for apatite and zircon accumulation.
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