Table T1. Major element oxide and trace element analyses. (Continued on next three pages.)
Core, section,
interval (cm) 		Depth (mbsf) Thin section number Rock type Major element oxides (wt%)
SiO2
Al2O3
Fe2O3
MnO
MgO
CaO
Na2O
K2O
TiO2
P2O5
Cr2O3
NiO
LOI
Total
176-735B-                                  
1R-1, 35-37 0.4 227 Olivine basalt 49.12 15.84 9.76 0.16 8.19 10.97 3.08 0.22 1.5 0.15 0.0471 0.0153 1.56 100.61
16R-2, 5-10 63.1 219 Olivine gabbro 50.57 17.63 5.98 0.11 9.49 12.82 2.9 0.03 0.31 0.01 0.0306 0.0146 1.2 101.09
16R-5, 38-40 66.8 220 Olivine microgabbro 47.71 16.12 6.22 0.1 12.04 12.58 2.46 0.12 0.24 0.03 0.1732 0.034 1.79 99.61
23R-5, 3-5 104.9 232 Diabase 50.67 17.4 7.09 0.12 10.13 11.59 3.14 0.03 0.33 0.01 0.0555 0.0215 1.09 101.68
25R-2, 104-107 113.3 234 Olivine gabbro 50.58 16.7 5.56 0.1 10.13 13.38 2.74 0.06 0.35 0.01 0.058 0.0215 0.94 100.62
38R-2, 24-26 182.5 257 Troctolitic micrograbbro 49.4 17.52 10.09 0.16 9.34 11.59 3.16 0.09 1.11 0.02 0.0542 0.269 0.05 102.6
41R-4, 22-27 199.7 260 Olivine gabbro 52.83 15.58 8.26 0.15 7.97 11.07 3.75 0.06 0.52 0.01 0.0027 0.0049 0.26 100.47
50R-1, 82-90 238.8 272 Oxide gabbro 38.87 9.87 22.2 0.28 6.15 8.4 2.78 0.05 11.39 0.01 0.005 0.0039 -0.51 99.48
51R-2, 16-25 244.5 274 Oxide gabbro 39.45 11.99 24.08 0.25 4.86 7.53 3.29 0.08 8.32 0.01 0.0064 0.005 -0.3 99.55
74R-6, 115-119 382.9 200 Olivine microgabbro 50.61 14.48 12.23 0.21 6.35 10.06 3.85 0.08 1.67 0.08 0.0253 0.0076 -0.13 99.51
83R-7, 115-120 461.1 213 Troctolite 42.82 9.38 11.05 0.16 29.08 5.84 1.01 0.05 0.1 0.01 0.0778 0.1245 0.89 100.58
90R-1, 126-137 509.1 126 Troctolitic gabbro 47.44 20.53 5.74 0.08 12.18 11.12 2.3 0.02 0.15 0.01 0.0308 0.0413 0.33 99.97
90R-6, 28-38 514.8 28 Troctolitic gabbro 46.92 17.08 6.25 0.1 15.51 10.78 2 0.11 0.2 0.01 0.096 0.0561 1.09 100.21
90R-8, 47-52 517.3 47 Olivine gabbro 45.93 17.86 7.02 0.1 16.39 9.01 2.07 0.05 0.13 0.01 0.0089 0.0545 0.54 99.19
91R-1, 43-53 517.8 43 Troctolitic gabbro 46.04 17.51 6.47 0.1 15.27 11.73 1.78 0.03 0.33 0.02 0.1441 0.0537 0.73 100.22
91R-2, 26-32 519.0 26 Troctolitic gabbro 52.52 16.22 7.41 0.14 7.83 11.92 3.79 0.08 0.43 0.01 0.003 0.0043 -0.01 100.33
91R-2, 101-110 519.8 101 Troctolitic gabbro 45.81 18.72 8.2 0.12 13.81 9.11 2.28 0.2 0.17 0.01 0.0067 0.0474 1.22 99.69
95R-2, 93-97 546.9 R2 Troctolitic gabbro 52.55 16.34 8.23 0.16 7.59 10.91 3.77 0.05 0.45 0 0.0026 0.0043 0 100.05
96R-1, 25-33 548.9 R1a Microgabbro 52.44 16.41 7.63 0.14 7.81 11.43 3.77 0.06 0.42 0.01 0.0027 0.0051 0.31 100.45
96R-1, 82-84 549.1 R1b Microgabbro 50.7 7.69 11.14 0.24 12.16 15.16 1.75 0.06 0.79 0.06 0.0803 0.0228 0.74 100.59
121R-1, 14-19 719.8 R1c Olivine gabbro 51.53 16.88 5.17 0.1 9.62 13.83 2.66 0.02 0.29 0 0.0289 0.013 0.21 100.36
121R-3, 65-75 723.3 65a Microgabbro 51.39 15.89 6.78 0.01 8.94 12.18 3.34 0.05 0.53 0.04 0.0261 0.0132 0.93 100.23
123R-4, 83-89 744.0 R4a Troctolitic gabbro 49.72 18.05 6.87 0.11 10.41 11.49 2.89 0.03 0.25 0.02 0.0343 0.0175 0.22 100.11
128R-3, 6-12 777.5 6 Microgabbro 50.23 16.4 6.48 0.12 9.85 13.07 2.63 0.03 0.29 0 0.0447 0.0142 0.75 99.91
130R-5, 10-14 799.7 R5 Microgabbro 51.79 16.14 8.16 0.15 8.04 11.41 3.54 0.06 0.57 0.06 0.0037 0.0064 0 99.94
131R-1, 11-16 803.6 11 Ferrogabbro 43.1 13.11 21.36 0.24 5.75 7.86 3.75 0.13 5.34 0.02 0.0079 0.0064 -0.48 100.2
137R-6, 112-119 859.4 R6 Microgabbro 48.88 16.01 12.24 0.20 8.75 9.49 3.43 0.07 1.07 0.17 0.0512 0.0245 -0.26 100.13
139R-1, 65-74 871.8 65 Olivine gabbro 50.5 20.95 5.62 0.09 8.35 11.19 3.42 0.04 0.23 0.01 0.0112 0.0143 -0.12 100.31
140R-1, 1-8 880.3 1 Olivine gabbro 51.01 13.61 8.53 0.16 10.27 13.45 2.56 0.04 0.6 0.01 0.0158 0.0133 -0.07 100.2
149R-2, 61-65 962.4 61 Microgabbro 51.92 18.28 4.61 0.09 7.93 13.85 3.11 0.03 0.32 0.01 0.0229 0.0102 -0.15 100.03
165R-3, 96-102 96.0 96 Olivine gabbro 51.68 17.44 6.37 0.11 8.84 12.57 3.2 0.04 0.36 0.01 0.008 0.0097 0.12 100.76
165R-3, 96-102 96.0 R3a Olivine gabbro 51.23 16.94 5.64 0.11 9.28 13.51 2.82 0.02 0.28 0 0.0316 0.011 0.1 99.96
165R-4, 71-75 1109.3 71 Olivine gabbro 51.35 15.47 6.08 0.12 9.74 13.89 2.65 0.02 0.34 0 0.0194 0.0107 0.33 100.01
165R-4, 71-75 1109.3 71 Olivine gabbro 51.41 15.12 6.68 0.13 10.03 13.61 2.67 0.03 0.38 0.01 0.0155 0.0106 0.2 100.29
166R-2, 61-71 1112.7 61a Olivine gabbro 52.58 22.76 3.46 0.06 4.82 11.94 4.17 0.04 0.2 0.01 0.0101 0.0056 0.03 100.08
169R-3, 108-118 1143.4 108 Olivine gabbro 52.04 16.68 6.62 0.12 8.93 12.36 3.26 0.04 0.42 0.01 0.006 0.0086 0.09 100.6
170R-7, 50-55 1158.0 R7 Microgabbro 49.96 17.55 7.01 0.12 10.06 11.52 3.05 0.04 0.3 0.03 0.0422 0.0142 0.9 100.59
178R-6, 132-138 1219.4 R6a Microgabbro 49.67 15.09 10.5 0.18 7.83 11 2.98 0.07 1.63 0.17 0.0342 0.0129 0.05 99.23
183R-4, 13-17 1264.0 R4 Microgabbro 51.69 17.34 7.08 0.09 8.9 10.45 3.76 0.11 0.24 0 0.0056 0.0127 0.32 100.02
185R-1, 26-36 1279.1 26a Olivine gabbro 49.26 15.06 8.17 0.14 12.86 11.71 2.38 0.02 0.26 0.01 0.0198 0.0207 0.21 100.11
188R-1, 31-35 1307.2 31 Olivine gabbro 51.79 16.1 7.37 0.14 9.03 12.14 3.33 0.04 0.35 0.01 0.0031 0.0076 0.23 100.52
191R-3, 61-67 1339.2 R3 Microgabbro 49.6 16.68 10 0.15 9.51 10.23 3.13 0.06 0.46 0.01 0.0589 0.0262 0.7 100.61
192R-1, 49-57 1345.8 49a Olivine gabbro 48.58 17.63 9.48 0.15 10 10.85 2.92 0.05 0.41 0.01 0.0562 0.0277 0.12 100.27
198R-1, 25-30 1386.7 R1 Microgabbro 50.86 16.99 5.97 0.11 9.87 13.07 2.78 0.03 0.28 0.01 0.0385 0.0151 0.32 100.33
197R-3, 42-47 1386.7 R3b Microgabbro 51.02 16.22 5.97 0.11 9.55 13.5 2.67 0.02 0.32 0 0.0212 0.0134 0.43 99.85
199R-6, 49-55 1400.1 49 Troctolitic gabbro 48.99 16.97 7.78 0.12 12.66 10.44 2.78 0.03 0.24 0.01 0.0126 0.0219 0.34 100.4
200R-1, 16-21 1402.2 16 Troctolitic gabbro 47 11.97 11.68 0.18 17.64 9.39 1.95 0.02 0.29 0.01 0.0159 0.0308 -0.2 99.98
202R-8, 7-16 1430.6 R8 Microgabbro 51.81 14.77 6.46 0.13 9.46 14.17 2.68 0.05 0.61 0.02 0.0272 0.0129 0 100.19