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Figure F23. Plots of Al2O3 vs. MgO, CaO vs. Al2O3, and Sr vs. CaO for basaltic rock samples, Hole U1382A. Data for aphyric and porphyritic basalts from corresponding depths in Hole 395A (Rhodes et al., 1979; Bougault et al., 1979) are also shown for comparison. The possible olivine fractionation and plagioclase accumulation lines are for illustrative purposes only and are not intended as lines of best fit or to imply that the basalts are related simply by olivine and plagioclase fractionation.

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