Figure 7. CaO (wt%) vs. Al2O3 (wt%) variation diagrams for the Holes 1068A and 1070A serpentinized peridotites. Also shown are the serpentinized peridotites from Holes 897C, 897D, and 1068A from the Iberia Abyssal Plain and Leg 153 serpentinized harzburgites from the Kane Transform region, Mid-Atlantic Ridge. Mineral compositional fields based on Leg 149 results are displayed.

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