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Table T2. Summary of shipboard ICP-AES analyses. (See table notes.)

  Major element oxide (wt%)
Pillow Massive
SiO2 49.82 ± 0.77 49.81 ± 0.93
Al2O3 14.75 ± 0.42 13.94 ± 0.54
TiO2 1.65 ± 0.17 1.98 ± 0.29
Fe2O3 10.08 ± 0.84 11.98 ± 1.04
MgO 7.30 ± 0.46 7.21 ± 0.43
MnO 0.23 ± 0.04 0.18 ± 0.03
CaO 11.84 ± 0.34 11.04 ± 0.71
Na2O 2.66 ± 0.13 2.81 ± 0.27
K2O 0.12 ± 0.08 0.10 ± 0.04
P2O5 0.14 ± 0.02 0.16 ± 0.04

Notes: Data from Table T6 in the "Site U1301" chapter. Mean values based on 26 samples from pillow units and 6 samples from massive units. Samples from the breccia unit were not analyzed on board the ship. ICP-AES = inductively coupled plasma–atomic emission spectroscopy.

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