Table T3. Selected analyses of ilmenite, Sites 1117, 1118, and 1109.

Core, section, interval (cm): 180-1117A-11R-1, 40-44 180-1118A-74R-2, 133-138 180-1118A-76R-1, 28-38 180-1109D-51R-1, 58-67 180-1109D-51R-4, 6-9
Matrix: Gabbro Coarse-grained diabase Coarse-grained diabase Fine-grained diabase Fine-grained diabase
Mineral: Ilmenite Ilmenite Ilmenite Ilmenite Ilmenite Ilmenite Ilmenite Ilmenite Ilmenite Ilmenite Ilmenite
Major element oxide (wt%):













SiO2 0.12 0.11
0.85 0.19
0.56 1.31
0.11 2.7 0.34
0.08 0.09
Al2O3 2 2
1 2
3 3
1 2 2
1 1
MgO 0.05 0.07
0.10 0.00
0.08 0.17
0.40 0.04 0.66
0.00 0.42
FeO 61.58 68.74
71.61 68.62
66.19 66.55
71.30 62.72 65.58
61.36 74.25
MnO 1.64 0.02
2.77 2.49
3.08 1.31
0.43 5.40 3.95
0.61 0.32
TiO2 31.87 27.44
18.50 22.52
21.09 21.12
23.56 21.34 21.93
32.68 18.73
CaO 0.03 2.63
0.61 0.34
0.42 0.29
0.01 2.42 0.04
0.26 0.01
Na2O 0 0.082
0.12 0.04
0.08 0.03
0 0.04 0
0 0
K2O 0 0.014
0 0
0 0.02
0 0.014 0
0 0.02
Total 95.12 96.21
93.61 94
90.87 89.32
95.30 91.94 91.50
94.91 93.33
Al 0.118 0.116
0.09 0.11
0.18 0.21
0.06 0.16 0.14
0.04 0.07
Ti 1.36 0.81
0.8 0.97
0.93 0.93
1 0.95 0.95
1.43 0.81
Fe3+ 0.152 1.258
1.303 0.946
0.966 0.923
1.005 0.932 0.960
0.104 1.311
Fe2+ 2.78 2.3
2.16 2.35
2.27 2.35
2.45 2.18 2.2
2.87 2.26
Mn 0.15 1.26
1.3 0.95
0.97 0.92
0.93 0.93 0.96
0.1 1.31
Mg 0.08 0
0.14 0.12
0.15 0.07
0.02 0.27 0.19
0.03 0.02
Ca 0.004 0.007
0.009 0
0.007 0.015
0.033 0.003 0.057
0 0.036