Table T7 (continued).
Leg, hole:
176-735B- 118-735B-
176-735B-
118-735B-
Core, section: Interval (cm):
190R-6
42-48
190R-6
42-48
190R-6
42-48
23R-5
47-52
18R-4
139-147
162R-6
29-36
35R-6
95-102
28R-2
76-83
20R-2
13-21
38R-1
61-80
52R-4
69-71
53R-4
68-78
19R-5
62-73
2D-1
145-148
2D-1
145-148
Rock type: Gabbro Oxide gabbro Gabbronorite
Major element oxide (wt%):                      
SiO2 52.18 52.07 51.05 51.10 52.91 51.98 51.45 50.86 50.82 50.99 49.65 51.45 51.22 51.34 50.37
TiO2 0.62 0.52 0.81 0.49 0.45 0.64 0.64 0.67 1.02 0.62 0.69 0.15 0.43 0.50 0.57
Al2O3 1.82 2.21 2.54 2.84 3.29 2.72 3.70 3.64 2.72 1.88 1.78 0.53 2.41 1.95 2.34
FeO 12.21 9.17 7.90 7.36 10.41 7.31 5.94 5.94 9.04 13.44 13.47 14.98 11.21 11.31 11.41
Cr2O3 0.04 0.14 0.08 0.08 0.20 0.11 0.20 0.17 0.18 0.00 0.00 0.02 0.15 0.00 0.00
MnO 0.33 0.26 0.21 0.28 0.19 0.12 0.16 0.16 0.28 0.43 0.49 0.48 0.34 0.41 0.37
MgO 21.36 17.99 16.07 14.08 22.24 18.06 16.67 15.27 13.81 12.93 11.66 11.25 13.49 13.01 12.55
CaO 11.60 17.20 20.58 21.43 9.27 19.14 19.81 21.10 19.79 18.37 20.31 21.43 19.51 20.33 20.95
Na2O 0.36 0.30 0.41 0.45 0.43 0.44 0.59 0.43 0.58 0.40 0.43 0.34 0.52 0.39 0.47
Total 100.52 99.85 99.65 98.11 99.39 100.52 99.16 98.24 98.24 99.07 98.48 100.63 99.28 99.24 99.03
Number of cations based on 6 O:                        
Si 1.9128 1.9236 1.9012 1.9304 1.9250 1.9027 1.9009 1.9043 1.9256 1.9463 1.9254 1.9653 1.9365 1.9467 1.9225
Ti 0.0170 0.0144 0.0228 0.0139 0.0123 0.0175 0.0170 0.0189 0.0291 0.0177 0.0201 0.0043 0.0122 0.0143 0.0164
AlIV 0.0786 0.0764 0.0988 0.0696 0.0750 0.0973 0.0991 0.0957 0.0744 0.0537 0.0746 0.0239 0.0635 0.0533 0.0775
AlVI 0.0000 0.0197 0.0128 0.0568 0.0660 0.0201 0.0621 0.0649 0.0471 0.0310 0.0067 0.0000 0.0438 0.0338 0.0278
Fe+2 0.3744 0.2831 0.2462 0.2325 0.3166 0.2237 0.1836 0.1859 0.2866 0.4291 0.4368 0.4785 0.3543 0.3586 0.3642
Cr 0.0013 0.0040 0.0024 0.0024 0.0058 0.0031 0.0058 0.0050 0.0054 0.0000 0.0000 0.0006 0.0045 0.0000 0.0000
Mn 0.0103 0.0083 0.0066 0.0090 0.0059 0.0037 0.0050 0.0051 0.0090 0.0140 0.0161 0.0155 0.0109 0.0132 0.0120
Mg 1.1673 0.9910 0.8922 0.7930 1.2063 0.9855 0.9182 0.8523 0.7801 0.7357 0.6741 0.6406 0.7603 0.7354 0.7141
Ca 0.4557 0.6808 0.8212 0.8673 0.3613 0.7506 0.7841 0.8464 0.8034 0.7513 0.8438 0.8770 0.7902 0.8259 0.8567
Na 0.0710 0.0598 0.0809 0.0924 0.0846 0.0844 0.1154 0.0855 0.1190 0.0846 0.0903 0.0730 0.1075 0.0817 0.0968
Total 4.0884 4.0610 4.0850 4.0673 4.0588 4.0886 4.0912 4.0639 4.0796 4.0634 4.0879 4.0786 4.0838 4.0628 4.0879
En 58.5 50.7 45.5 41.9 64.0 50.3 48.7 45.2 41.7 38.4 34.5 32.1 39.9 38.3 36.9
Fe 18.7 14.5 12.6 12.3 16.8 11.4 9.7 9.9 15.3 22.4 22.3 24.0 18.6 18.7 18.8
Wo 22.8 34.8 41.9 45.8 19.2 38.3 41.6 44.9 43.0 39.2 43.2 43.9 41.5 43.0 44.3