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Figure F258. Altered dikes from Expedition 312 normalized to a comparably evolved fresh sample, a massive basalt from Expedition 309 (Sample 309-1256D-110R-1, 58–66 cm) (see “Geochemistry” in “Expedition 309” for data on this sample). Copper is below detection limits for Samples 312-1256D-187R-1, 93–98 cm, and 192R-1, 11–13 cm (Thin Section 32). Element order in the diagram is arranged as follows: incompatible immobile and mobile elements toward the left-hand side of the x-axis and compatible immobile and mobile elements toward the right-hand side of the diagram.

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