Table T3. Bulk geochemical analysis of sediments and tephra, Hole 1254A.
Core, section, interval (cm)
Depth (mbsf)
Major element oxide (wt%)
Ti/Al
Total
Trace element (ppm)
SiO2
TiO2
Al2O3
Fe2O3
MnO
CaO
MgO
Na2O
K2O
P2O5
Ba
Cr
Sr
V
Y
Zr
Sc
Mo
Cu
Tephra:





















205-1254A-





















8R-8, 22-65 222.37 65.65 0.41 13.42 5.12 0.11 1.30 0.66 3.01 2.37 0.08 0.03 92.15 1303 8.35 239 44.1 27.6 162.1 12.37 556
Sediments:





















205-1254A-





















1R-3, 52-87 153.52 55.49 1.03 16.20 8.69 0.07 4.13 3.16 2.72 2.24 0.21 0.06 93.93 427.93 86.1 294 166 20.7 98.2

79.7
3R-3, 125-165 169.35 54.49 1.04 17.80 9.46 0.09 3.07 3.03 2.56 2.00 0.15 0.06 93.69 371.71 75.4 207 171 21.2 110.9

80.0
4R-5, 45-90 181.11 55.61 1.07 17.73 8.43 0.07 3.53 2.89 2.67 2.23 0.12 0.06 94.35 442.84 84.2 260 165 21.4 109.5

81.4
5R-5, 50-90 190.40 50.72 0.90 15.51 9.13 0.07 3.45 3.14 2.34 1.90 0.22 0.06 87.39 323.08 75.5 216 171 20.0 93.4

77.8
6R-2, 125-166 196.97 53.43 1.07 17.05 8.59 0.06 3.42 3.00 2.50 2.16 0.12 0.06 91.40 430.48 86.4 230 176 19.3 98.6

81.1
7R-5, 34-74 209.55 54.77 0.92 17.39 8.06 0.05 2.69 2.75 2.29 1.95 0.13 0.05 91.00 305.46 57.8 174 161 19.3 103.1

78.1
8R-4, 0-45 217.65 53.23 0.91 16.98 8.36 0.06 3.11 2.87 2.27 1.84 0.15 0.05 89.78 340.34 58.3 185 153 19.5 98.8

77.1
9R-5, 0-40 305.50 54.41 0.95 17.17 9.13 0.09 3.75 2.96 2.42 2.16 0.20 0.06 93.22 354.39 69.2 224 171 23.4 105.8

78.7
10R-6, 0-40 316.73 51.66 0.95 16.04 8.28 0.07 3.18 2.87 2.28 1.84 0.16 0.06 87.33 336.28 76.4 206 156 19.3 93.9

77.5
11R-5, 63-103 325.67 55.62 1.06 17.26 9.54 0.05 2.97 3.54 2.62 2.12 0.11 0.06 94.88 324.35 106.0 208 184 21.9 103.8

81.3
12R-1, 101-141 329.91 52.94 1.06 17.04 8.39 0.05 2.96 2.80 2.49 1.99 0.10 0.06 89.83 291.23 73.9 205 167 19.3 105.9

80.1
13R-3, 100-145 342.50 56.75 0.88 17.69 8.42 0.04 3.03 3.05 2.52 2.25 0.11 0.05 94.74 344.29 93.1 223 176 18.6 101.8

82.3
14R-6, 52-97 354.28 51.62 0.86 17.48 8.36 0.10 2.95 2.72 2.23 1.86 0.12 0.05 88.30 324.62 35.2 207 147 19.0 92.2

76.7
15R-3, 0-44 360.65 50.72 0.83 15.33 8.41 0.09 3.22 2.71 2.54 1.74 0.13 0.05 85.71 803.88 93.2 187 162 19.9 101.1

75.5
16R-3, 49-89 366.19 50.29 0.79 14.97 7.36 0.07 3.04 2.72 2.61 1.89 0.11 0.05 83.84 1811.51 69.1 208 156 17.7 95.9

74.1