Table T3. Glass and whole-rock major and trace element compositions of basalts, Site 1158.

 Hole 1158A Hole 1158B Hole 1158C
Core, section:
3R-1
3R-1
3R-1
3R-1
3R-1
3R-1
2R-1
2R-1
2R-1
2R-1
4R-1
4R-1
2R-1
2R-1
2R-1
2R-1
Interval (cm):
0-3
0-3
10-13
10-13
10-13
10-13
55-58
55-58
55-58
55-58
34-38
34-38
75-78
75-78
75-78
75-78
Depth (mbsf):
203.9
203.9
204
204
204
204
126.75
126.75
126.75
126.75
137.14
137.14
108.75
108.75
108.75
108.75
Piece:
1
1
3
3
3
3
13
13
13
13
8
8
13
13
13
13
Unit:
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
Analysis:
ICP
ICP
ICP
ICP
XRF
XRF
ICP
ICP
XRF
XRF
ICP
ICP
ICP
ICP
XRF
XRF
Rock type:
Glass
Glass
Sparsely olivine-plagioclase phyric basalt Sparsely olivine-plagioclase phyric basalt
Glass
Glass
Diabase
Diabase
Diabase
Diabase
Major element (wt%)














SiO2 49.15 48.26 51.14 50.94 48.08 48.94 50.87 51.11 49.31 50.09 51.07 50.01 52.23 51.90 50.94 50.87
TiO2 1.79 1.77 1.84 1.79 1.70 1.73 1.87 1.84 1.75 1.82 2.01 2.01 1.91 1.95 1.87 1.88
Al2O3 15.50 15.58 15.54 15.76 14.70 14.86 14.99 15.02 14.27 14.41 14.75 14.74 15.36 15.39 14.62 14.54
Fe2O3 12.03 11.92 11.93 11.84 10.85 10.99 11.56 11.31 10.17 10.26 12.36 11.96 11.04 11.17 10.56 10.53
MnO 0.19 0.18 0.18 0.17 0.16 0.16 0.17 0.17 0.14 0.15 0.20 0.19 0.25 0.25 0.25 0.25
MgO 9.14 9.08 8.53 8.39 8.16 8.18 6.79 6.66 6.61 6.65 8.27 8.20 6.20 6.34 6.19 6.09
CaO 10.20 10.29 10.30 10.33 10.06 10.16 10.99 11.16 11.01 11.04 10.97 10.94 11.26 11.31 11.31 11.25
Na2O 3.05 3.48 2.99 2.90 2.87 2.97 2.72 2.78 2.79 2.77 2.84 3.18 3.02 3.04 2.97 2.93
K2O 0.13 0.13 0.42 0.43 0.36 0.37 0.42 0.43 0.33 0.34 0.10 0.11 0.21 0.22 0.20 0.20
P2O5 0.19 0.21 0.20 0.19 0.17 0.18 0.19 0.19 0.17 0.18 0.21 0.22 0.19 0.19 0.18 0.18
LOI



0.41 0.41

1.24 1.24



0.35 0.35
CO2















H2O















Total: 101.36 100.89 103.05 102.77 97.11 98.54 100.58 100.67 96.55 97.71 102.79 101.55 101.67 101.75 99.09 98.72
Trace element (ppm)














Nb



5


4




5
Zr 138 149 130 132 139
127 136 136
140 155 131 135 134
Y 46 50 43 41 42
44 43 43
47 53 43 44 42
Sr 139 141 140 141 140
118 121 119
109 111 111 114 112
Rb



6


7




12
Zn



92


96




98
Cu



60


62




47
Ni 199 204 204 203 218
100 98 143
134 135 88 87 91
Cr 297 309 334 333 352
300 301 315
280 287 257 268 285
V



271


309




335
Ce



32


38




35
Ba 11 11 12 12

11 11

7 7 7 7

Sc 36 36 35 35

38 39

40 39 40 41

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