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Table T6. Shipboard ICP-AES analyses, Hole U1301B.

Hole: 301-U1301B-
Core, section,
interval (cm):		 1R-1,
96–98		 2R-3,
145–147		 3R-2,
101–103		 4R-3,
16–18		 5R-2,
2–4		 6R-1,
117–122		 7R-1,
117–119		 8R-1,
59–61		 9R-1,
68–70		 10R-1,
101–103		 10R-2,
7–9		 11R-1,
79–81		 12R-1,
99–101		 13R-1,
50–52		 14R-1,
70–72		 15R-1,
29–31		 15R-1,
92–94
Piece: 12D 17B 10 1B 1 19 19 9 10 12 2A 14A 3E 5B 10 4 11
Unit/Subunit: 1B 1C 1C 1C 1C 1C 1C 1C 1C 1C 1C 2A 2A 2A 2B 3 4A
Depth (mbsf): 352.16 361.49 363.61 369.55 377.82 387.17 396.77 405.79 410.88 415.81 416.32 425.19 429.89 430.4 434.7 443.89 444.52
ICP-AES run: 1 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 3
Major element oxide (wt%):
SiO2 51.95 50.75 50.47 50.22 50.90 49.55 49.93 49.53 49.76 49.78 49.75 51.24 49.2 49.3 49.4 50.31 49.16
Al2O3 14.90 15.25 15.20 15.11 15.26 14.51 14.53 15.31 15.15 14.66 14.33 14.66 13.7 13.6 14.5 14.46 14.41
TiO2 1.57 1.49 1.49 1.55 1.53 2.05 1.54 1.59 1.57 1.60 1.71 1.75 1.6 2.0 1.7 2.32 2.09
Fe2O3 10.31 10.42 10.10 10.28 10.50 10.63 9.91 9.39 9.50 9.65 9.80 10.52 11.4 12.5 10.6 10.35 9.88
MgO 7.92 7.96 7.30 7.67 7.98 7.11 7.64 7.46 7.63 7.60 7.56 7.76 7.6 6.9 8.1 6.90 7.12
MnO 0.18 0.21 0.25 0.20 0.20 0.22 0.19 0.18 0.20 0.18 0.20 0.16 0.2 0.2 0.1 0.23 0.23
CaO 11.82 12.01 12.44 12.16 11.99 11.11 11.82 11.50 12.25 11.71 11.80 11.70 11.8 11.1 11.7 11.78 11.89
Na2O 2.62 2.56 2.54 2.63 2.66 2.89 2.65 2.82 2.74 2.67 2.71 2.73 2.6 2.6 2.6 2.85 2.78
K2O 0.19 0.06 0.07 0.06 0.08 0.15 0.13 0.18 0.10 0.16 0.08 0.03 0.1 0.1 0.1 0.15 0.09
P2O5 0.17 0.11 0.10 0.13 0.10 0.18 0.13 0.13 0.11 0.17 0.14 0.14 0.1 0.2 0.1 0.21 0.17
Totals: 101.63 100.83 99.97 100.01 101.19 98.40 98.46 98.09 99.02 98.17 98.07 100.69 98.2 98.6 99.0 99.57 97.81
Trace elements (ppm):
Cr 263 201 209 215 233 47 265 272 269 262 250 238 229 193 251 171 203
Ni 57 54 101 55 36 24 104 115 67 39 106 40 47 60 56 91 67
V 299 311 321 326 307 390 337 352 338 332 361 349 333 382 339 417 391
Sc 43 43 43 44 43 46 45 45 45 43 44 44 43 43 44 45 45
Ba –1 –1 6 1 –1 17 17 17 17 18 17 17 16 29 15 61 53
Sr 108 104 105 106 106 125 115 120 119 119 116 118 111 111 115 134 130
Y 34 36 33 34 36 49 39 41 37 40 43 44 37 48 42 57 54
Zr 91 91 95 106 93 135 99 101 101 99 109 115 109 143 112 166 143
Nb 6.7 6.1 6.1 6.5 6.3 9.6 6.7 7.1 7.1 7.1 7.6 7.9 7.2 9.5 7.6 11.1 9.8
LOI (wt%) –0.5 –1.2 –1.2 0.1 –1.3 –1.3 –0.5 –0.1 –0.7 0.4 –0.4 0.0 –0.3 –0.3 0.0 0.0 –0.2
Mg# 62.9 62.7 61.4 62.1 62.6 59.6 62.9 63.6 63.9 63.4 62.9 61.9 59.3 54.8 62.8 59.5 61.3

Notes: ICP-AES = inductively coupled plasma–atomic emission spectrometry. Mg# = (MgO/40.305)/[(MgO/40.305) + 0.9 × 2 × (Fe2O3/159.694)] × 100.

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