Table T1. Major element composition of sediment samples recovered from Cores 191-1179C-1H and 191-1179B-1H through 4H.
Core, section, interval (cm)
Depth (mbsf)
Major element oxide (wt%)
LOI (wt%)
C (wt%)
Description
SiO2
TiO2
Al2O3
Fe2O3*
MnO
MgO
CaO
Na2O
K2O
P2O5
(organic)
(inorganic)
191-1179B-














1H-1 0.60 58.20 0.61 13.83 5.81 1.16 2.69 1.42 2.74 2.50 0.11 10.65 0.40 0.31 Siliceous ooze
1H-2 1.82 60.39 0.59 13.88 5.58 0.34 2.75 1.42 2.57 2.60 0.09 9.55 0.41 0.26 Siliceous ooze
1H-3 3.34 58.31 0.61 14.04 6.32 0.30 2.98 1.09 2.75 2.77 0.09 10.51 0.40 0.18 Siliceous ooze and clay
1H-4 5.16 60.09 0.56 13.72 4.77 0.22 2.32 1.40 3.40 2.43 0.08 10.61 0.36 0.21 Siliceous ooze
1H-5 6.45 59.41 0.54 13.79 5.48 0.13 2.49 1.16 3.55 2.41 0.08 10.67 0.26 0.08 Siliceous ooze
1H-5 7.18 57.17 0.49 11.37 10.17 0.63 3.73 0.99 2.51 2.47 0.07 10.17 0.37 0.42 Siliceous ooze
2H-1 8.66 58.17 0.61 14.02 6.95 0.50 3.27 1.00 3.01 2.89 0.08 9.20 0.44 0.19 Siliceous ooze and clay
2H-2 9.89 66.01 0.50 13.79 4.08 0.12 1.85 1.38 3.37 2.69 0.07 5.88 0.20 0.06 Siliceous ooze
2H-3 10.92 — — — — — — — — — — — 0.50 0.27 Siliceous ooze and clay
2H-4 12.94 59.91 0.64 15.04 6.19 0.34 3.04 1.10 2.64 2.95 0.09 7.84 0.42 0.29 Siliceous ooze and clay
2H-5 14.31 58.03 0.62 14.61 7.95 0.31 3.20 0.97 1.86 2.86 0.08 9.04 0.19 0.11 Siliceous ooze
2H-6 16.14 56.73 0.67 15.36 5.56 2.12 3.00 1.41 1.86 3.03 0.11 9.90 0.32 0.62 Siliceous ooze and clay
3H-1 17.47 62.65 0.64 15.32 5.70 0.11 2.59 1.15 2.29 2.89 0.08 6.31 0.20 0.17 Siliceous ooze and clay
3H-2 19.05 60.26 0.72 16.29 5.49 0.29 3.30 1.13 1.82 3.25 0.09 7.12 0.43 0.28 Siliceous ooze
3H-3 20.76 58.88 0.69 15.74 5.60 0.22 2.99 1.08 1.87 2.99 0.08 9.60 0.40 0.21 Siliceous ooze
3H-4 22.71 — — — — — — — — — — — 0.12 0.13 Siliceous ooze and clay
3H-5 24.51 62.74 0.55 13.95 6.08 0.18 2.60 1.08 2.17 2.64 0.07 7.52 0.19 0.19 Siliceous ooze and clay
3H-6 26.13 63.91 0.45 13.95 4.06 0.08 1.85 1.07 2.54 3.29 0.07 8.51 0.14 0.05 Siliceous ooze and clay
4H-1 27.10 — — — — — — — — — — — 0.42 0.18 Siliceous ooze
4H-2 28.38 — — — — — — — — — — — 0.33 0.34 Siliceous ooze
4H-3 29.96 58.57 0.66 15.61 5.47 0.54 2.89 1.14 1.85 2.99 0.08 9.97 0.35 0.28 Siliceous ooze and clay
4H-4 32.14 58.38 0.66 15.38 5.51 0.45 3.16 1.46 1.76 3.05 0.09 9.86 0.43 0.32 Clay
4H-5 33.62 59.53 0.59 14.15 5.60 0.18 2.53 1.05 2.03 2.76 0.07 11.26 0.29 0.10 Siliceous ooze and clay
4H-6 35.00 60.07 0.54 13.69 5.18 0.13 2.40 0.98 2.38 2.62 0.06 11.68 0.40 0.07 Ash
191-1179C-














1H-1, 0–2 0.01 — — — — — — — — — — — 0.52 0.23 Siliceous ooze
1H-1, 10–12 0.11 52.95 0.52 13.95 5.46 1.18 2.40 1.25 3.13 2.31 0.13 16.31 0.41 0.27 Siliceous ooze and clay
1H-1, 20–22 0.21 57.49 0.52 13.51 5.26 3.44 2.32 1.34 3.61 2.27 0.13 9.72 0.18 0.20 Siliceous ooze and clay
1H-1, 30–32 0.31 57.55 0.51 13.22 4.94 5.52 2.20 1.52 3.26 2.23 0.12 8.57 0.23 0.21 Siliceous ooze and clay
1H-1, 40–42 0.41 57.21 0.53 13.19 4.91 4.68 2.28 1.63 3.51 2.18 0.13 9.44 0.31 0.20 Siliceous ooze and clay
1H-1, 50–52 0.51 61.35 0.61 14.55 5.61 0.41 2.48 1.74 3.21 2.38 0.12 7.31 0.47 0.13 Siliceous ooze
1H-1, 60–62 0.61 — — — — — — — — — — — 0.40 0.25 Siliceous ooze and clay
1H-1, 70–72 0.71 60.79 0.62 14.25 5.91 0.24 2.79 1.27 2.89 2.63 0.10 8.26 0.54 0.14 Siliceous ooze and clay
1H-1, 80–82 0.81 60.09 0.60 13.84 5.72 0.50 2.84 1.11 2.82 2.61 0.10 9.52 0.43 0.24 Siliceous ooze and clay
1H-1, 90–92 0.91 60.23 0.63 14.10 6.55 0.20 3.02 1.15 2.78 2.70 0.10 8.32 0.51 0.21 Siliceous ooze and clay
1H-1,100–102 1.01 62.55 0.65 14.82 5.36 0.19 2.98 1.20 2.25 2.84 0.09 6.83 0.47 0.24 Siliceous ooze and clay
1H-1, 110–112 1.11 60.68 0.62 14.13 5.10 0.20 2.78 1.31 2.59 2.65 0.09 9.60 0.43 0.23 Siliceous ooze and clay
1H-1, 120–122 1.21 61.02 0.63 14.60 5.23 0.20 2.94 1.30 2.71 2.75 0.09 8.27 0.42 0.20 Siliceous ooze and clay
1H-1, 130–132 1.31 61.96 0.59 13.85 5.85 0.30 2.67 1.76 3.02 2.34 0.10 7.33 0.30 0.16 Siliceous ooze and clay
1H-1, 140–142 1.41 61.23 0.56 13.67 5.58 0.31 2.70 1.36 3.12 2.55 0.09 8.59 0.38 0.15 Siliceous ooze and clay
1H-2, 150–152 1.51 62.54 0.55 13.44 5.50 0.49 2.53 1.38 2.93 2.56 0.09 10.67 0.30 0.19 Siliceous ooze and clay
1H-2, 160–162 1.61 61.74 0.52 12.96 6.21 0.42 2.65 1.36 3.03 2.56 0.09 8.23 0.31 0.24 Siliceous ooze and clay
1H-2, 170–172 1.71 61.76 0.58 13.74 5.24 0.35 2.75 1.37 2.89 2.64 0.09 8.32 0.43 0.26 Siliceous ooze and clay
1H-2, 180–182 1.81 62.92 0.56 13.21 4.90 0.35 2.67 1.38 2.68 2.54 0.09 8.40 0.52 0.31 Siliceous ooze and clay

Notes: * = total Fe as Fe2O3. LOI = loss on ignition at 110°C, — = baking.