Table T3. Glass and whole rock major and trace element compositions of basalts, Hole 1154A.


 Hole 1154A
Core, section: 3R-1 3R-1 3R-1 3R-1 3R-2 3R-2 3R-2 5R-1 5R-1 5R-1 4R-2 2R-1
Interval (cm): 50-53 50-53 50-53 50-53 23-26 23-26 23-26 58-62 58-62 58-62 42-44 31-37
Depth (mbsf): 237.70 237.70 237.70 237.70 238.88 238.88 238.88 247.28 247.28 247.28 243.56 233.51
Piece: 10 10 10 10 4 4 4 11 11 11 7 7
Analysis: XRF XRF ICP ICP XRF XRF ICP XRF XRF ICP ICP ICP
Rock type: Moderately plagioclase-olivine phyric basalt Moderately plagioclase-olivine phyric basalt Moderately plagioclase-olivine phyric basalt Glass Glass
Major element (wt%)









SiO2 49.00 49.77 52.60 52.02 48.72 48.17 50.59 48.87 48.91 51.08 47.01* 48.60*
TiO2 2.06 2.09 2.02 2.00 1.88 1.89 1.86 2.01 2.02 2.03 2.07 2.16
Al2O3 14.74 14.86 13.97 14.73 14.36 14.03 13.25 14.84 14.84 14.77 16.03 14.40
Fe2O3 11.17 11.22 11.37 11.47 12.55 12.27 12.48 11.93 11.96 11.96 12.76 13.06
MnO 0.18 0.19 0.19 0.19 0.17 0.17 0.18 0.18 0.18 0.19 0.21 0.21
MgO 6.01 6.18 6.32 6.37 6.19 6.13 6.23 5.97 6.01 6.33 7.80 7.63
CaO 10.75 10.90 10.55 11.22 10.44 10.32 10.13 10.85 10.85 10.99 10.79 11.03
Na2O 2.61 2.77 2.81 2.90 2.64 2.61 2.64 2.75 2.75 2.97 2.95 2.58
K2O 0.44 0.45 0.35 0.37 0.59 0.59 0.51 0.50 0.50 0.43 0.14 0.11
P2O5 0.18 0.19 0.22 0.20 0.18 0.17 0.22 0.18 0.18 0.20 0.24 0.21
LOI 0.62 0.62

0.75 0.75
0.82 0.82


CO2











H2O











Total: 97.14 98.62 100.39 101.47 97.72 96.35 98.10 98.08 98.20 100.94 100.00 100.00
Trace element (ppm)









Nb 6


6

6



Zr 143
142 149 137
131 139
144 151 159
Y 44
47 48 43
43 44
50 49 49
Sr 120
110 118 110
101 114
109 107 111
Rb 8


15

12



Zn 104


97

98



Cu 67


55

57



Ni 159
133 132 95
74 105
95 90 87
Cr 268
224 243 271
214 270
255 287 264
V 346


345

347



Ce 39


35

38



Ba

10 11

7

6 6 6
Sc

40 41

36

40

Notes: * = some SiO2 by difference for ICP-AES (i.e., 100.00% totals); LOI = loss on ignition. This table is also available in ASCII format.