FIGURE 4. Correlation between Re/Os ratios and bulk Al2O3 contents.
From the following article:
Ancient, highly heterogeneous mantle beneath Gakkel ridge, Arctic Ocean
Chuan-Zhou Liu, Jonathan E. Snow, Eric Hellebrand, Gerhard Brügmann, Anette von der Handt, Anette Büchl & Albrecht W. Hofmann
Nature 452, 311-316(20 March 2008)
doi:10.1038/nature06688
All fresh interiors but one (238-4) show good positive correlation. The absence of such a relationship in both D70 samples and the altered rims of PS66-238 samples indicate the disturbance of Re during seawater alteration.
