Table T4. Glass and whole-rock major and trace element compositions of basalts, Site 1160.

  Hole 1160A Hole 1160B
Core, section: 3R-1 3R-1 2R-1 3R-1 3R-1 3R-1 3R-1 4R-1 4R-1 4R-2 4R-2 6R-1 6R-1 7R-1 7R-1 7R-1
Interval (cm): 19-21 19-21 21-25 7-16 7-16 63-66 63-66 59-62 59-62 122-126 122-126 110-113 110-113 25-29 25-29 53-56
Depth (mbsf): 169.79 169.79 160.31 164.57 164.57 165.13 165.13 170.09 170.09 172.22 172.22 180.00 180.00 188.25 188.25 188.53
Piece: 5 5 5 3 3 13 13 8C 8C 7C 7C 19A 19A 6 6 10
Unit: 1 1 1 1 1 1 1 2 2 3 3 3 3 3 3 4
Analysis: ICP ICP ICP ICP ICP XRF XRF XRF XRF XRF XRF XRF XRF XRF XRF XRF
Rock type: Glass Glass Aphyric
basalt		 Glass Glass Aphyric basalt Aphyric basalt Moderately plagioclase phyric basalt Moderately plagioclase phyric basalt Moderately plagioclase phyric basalt Moderately plagioclase phyric basalt
Major element (wt%)














SiO2 51.13 50.49 51.89 49.71 50.45 49.70 49.95 49.20 49.40 48.57 48.08 48.61 48.53 48.29 49.01 48.12
TiO2 1.58 1.56 1.63 1.22 1.24 1.23 1.25 1.19 1.19 0.92 0.94 1.09 1.08 1.07 1.08 1.01
Al2O3 14.98 15.08 15.19 15.84 15.78 15.79 15.85 15.34 15.40 17.63 17.46 16.58 16.57 16.51 16.64 15.65
Fe2O3 11.23 11.20 8.80 10.40 10.71 9.30 9.41 9.83 9.88 8.11 8.03 9.05 9.10 9.63 9.74 9.18
MnO 0.19 0.20 0.16 0.17 0.17 0.14 0.15 0.15 0.15 0.11 0.11 0.14 0.15 0.15 0.15 0.13
MgO 7.76 7.68 6.43 8.56 8.93 6.14 6.22 8.86 8.79 7.90 7.78 6.92 6.96 5.71 5.67 8.76
CaO 12.09 12.03 12.21 12.39 12.46 12.64 12.69 11.93 11.91 12.67 12.51 13.13 13.05 12.64 12.74 11.97
Na2O 2.81 2.86 3.05 2.62 2.63 2.71 2.71 2.67 2.71 2.45 2.36 2.42 2.36 2.65 2.70 2.47
K2O 0.09 0.09 0.28 0.07 0.07 0.23 0.23 0.07 0.07 0.06 0.06 0.20 0.20 0.20 0.20 0.04
P2O5 0.14 0.15 0.15 0.11 0.09 0.09 0.09 0.09 0.09 0.07 0.07 0.08 0.09 0.08 0.08 0.06
LOI




1.14 1.14 0.66 0.66 0.81 0.81 1.63 1.63 1.51 1.51 0.77
CO2















H2O















Total: 102.01 101.34 99.78 101.08 102.53 99.11 99.69 99.99 100.25 99.30 98.21 99.85 99.72 98.44 99.52 98.16
Trace element (ppm)














Nb




3
3
3
3
2
3
Zr 110 111 116 73 70 78
71
55
74
61
58
Y 36 30 42 29 32 28
27
22
25
25
24
Sr 131 122 133 109 112 122
108
101
149
92
85
Rb




5
0
0
4
4
0
Zn




84
72
65
72
90
70
Cu




94
88
73
85
92
82
Ni 68 72 83 87 90 97
94
129
122
72
110
Cr 245 257 207 338 333 394
363
398
392
409
364
V




247
238
197
231
250
218
Ce




20
18
11
20
12
12
Ba 5 5 14
3










Sc 44 46 44 40 39










 
  Hole 1160B
Core, section: 8R-1 8R-1 9R-1 9R-1 9R-1 9R-1 9R-3 9R-3
Interval (cm): 66-70 66-70 5-7 5-7 125-129 125-129 8-12 8-12
Depth (mbsf): 194.36 194.36 197.25 197.25 198.45 198.45 200.20 200.20
Piece: 14 14 2 2 21 21 3 3
Unit: 5 5 5 5 6 6 7 7
Analysis: XRF XRF ICP ICP XRF XRF XRF XRF
Rock type: Moderately plagioclase-olivine phyric basalt Glass Glass Moderately plagioclase phyric basalt Aphyric basalt
Major element (wt%)






SiO2 49.38 49.04 49.21 50.06 49.45 48.93 49.42 50.02
TiO2 1.08 1.06 1.14 1.12 1.04 1.06 1.52 1.53
Al2O3 16.85 16.76 15.99 15.93 15.77 15.77 14.36 14.55
Fe2O3 9.36 9.76 10.24 10.28 9.48 9.40 10.43 10.61
MnO 0.14 0.13 0.16 0.17 0.13 0.14 0.17 0.17
MgO 5.74 5.73 9.19 9.08 8.90 8.87 6.28 6.38
CaO 12.94 12.85 12.40 12.44 12.25 12.14 12.11 12.32
Na2O 2.82 2.79 2.41 2.50 2.50 2.52 2.88 2.91
K2O 0.15 0.15 0.04 0.04 0.04 0.05 0.25 0.26
P2O5 0.07 0.07 0.08 0.09 0.07 0.06 0.14 0.14
LOI 1.50 1.50

0.71 0.71 0.72 0.72
CO2







H2O







Total: 100.03 99.84 100.87 101.70 100.34 99.65 98.28 99.61
Trace element (ppm)






Nb 3


3
4
Zr 61
57 64 59
111
Y 26
29 28 25
34
Sr 94
91 86 85
138
Rb 2


0
6
Zn 70


66
91
Cu 94


89
75
Ni 98
100 107 104
59
Cr 399
339 359 381
254
V 232


223
295
Ce 12


11
29
Ba

2 2



Sc

37 39



Notes: LOI = loss on ignition. This table is also available in ASCII format.