Figure F217. Volatile-free (A) Fe2O3 and (B) TiO2 versus magnetic susceptibility for basalts, diabases, and basalt breccia from Site U1309 (Expedition 304). Lines join, in order of depth, the samples from the same diabase units (see “Igneous petrology”). DD2 = Hole U1309D Diabase D-2 (Units 5–6), DD3 = Hole U1309D Diabase D-3 (Units 12–14), DD5 = Hole U1309D Diabase D-5 (Units 42–44). UE = samples that have magnetic susceptibilities recognized as underestimates (see “Physical properties”).
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