Table T9. Major and trace element XRF* data and normative mineralogy for Site 1141 and 1142 basalts.
 
Hole:
Core, section:
Interval (cm):
Unit:		 1141A
17R-1
27-31
4		 1141A
18R-1
142-150
4		 1141A
19R-2
8-10
4		 1141A
21R-2
129-132
5		 1141A
22R-3
94-96
6		 1141A
22R-3
142-146
6		 1141A
23R-1
46-49
6		 1141A
24R-1
6-8
6		 1141A
24R-2
34-36
6		 1142A
2R-1
50-53
1		 1142A
10R-1
37-40
6
SiO2 48.2 47.7 48.5 47.2 49.7 51.6 45.3 47.5 47.7 46.7 53.9
TiO2 4.31 3.13 2.82 2.77 3.14 3.22 3.08 2.75 2.74 2.77 2.46
Al2O3 20.1 16.3 17.2 15.9 17.9 17.5 18.0 16.7 16.3 16.2 16.7
Fe2O3 9.85 12.9 9.64 12.3 11.8 10.8 11.9 11.7 11.8 11.9 9.89
MnO 0.20 0.18 0.14 0.11 0.18 0.17 0.20 0.16 0.16 0.16 0.29
MgO 3.61 5.05 4.93 6.12 3.19 3.16 4.11 6.43 6.45 6.56 2.77
CaO 6.99 10.4 12.4 11.4 9.43 8.77 12.9 10.9 10.9 11.3 8.56
Na2O 4.03 2.91 2.93 2.93 3.11 3.05 3.08 2.74 2.71 2.69 3.50
K2O 2.15 0.61 0.87 0.74 0.91 0.86 0.84 0.79 0.76 0.69 0.96
P2O5 0.79 0.65 0.49 0.46 0.55 0.55 0.53 0.48 0.47 0.48 0.44
Total: 100.23 99.83 99.93 99.93 99.90 99.68 99.92 100.15 99.99 99.45 99.50
Mg# 0.45 0.47 0.53 0.53 0.38 0.39 0.44 0.55 0.55 0.55 0.39
Nb 46.4 30.6 27.6 25.0 27.4 28.9 25.6 25.8 25.8 26.3 16.1
Zr 342 287 237 204 238 258 231 233 229 233 220
Y 35.4 33.9 28.7 28.6 30.2 29.1 28.7 29.3 28.6 29.3 38.2
Sr 852 520 576 503 454 470 473 429 427 431 201
Rb 29.6 11.7 12.2 5.7 7.7 6.2 5.7 7.7 7.7 13.0 16.2
Th 2 1 1 2 1 1 1 1 2 1 4
Pb 3 3 3 3 2 3 3 3 3 3 5
Ga 24 20 19 19 19 19 19 19 18 19 22
Zn 305 147 132 130 104 112 117 117 116 115 141
Ni 160 127 131 201 128 124 171 165 170 184 34
Cr 125 127 292 300 335 336 344 296 305 303 21
V 280 274 241 242 285 288 269 256 261 263 370
Ba 580 275 383 288 313 330 314 319 320 282 346
La 35 31 26 26 27 24 25 26 25 25 25
Ce 65 61 51 48 50 47 46 45 46 49 42
Q 0.0 0.0 0.0 0.0 3.2 7.1 0.0 0.0 0.0 0.0 7.8
Or 12.7 3.6 5.2 4.4 5.4 5.1 5.0 4.7 4.5 4.1 5.7
Ab 34.2 24.9 25.0 25.0 26.6 26.1 17.2 23.4 23.1 23.1 30.0
An 29.6 29.9 31.4 28.3 32.4 31.9 33.2 31.1 30.4 30.6 27.4
Cor 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Ne 0.0 0.0 0.0 0.0 0.0 0.0 4.9 0.0 0.0 0.0 0.0
Lc 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Ac 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Ns 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wo (Di) 0.0 7.5 11.5 10.8 4.7 3.5 11.7 8.4 8.7 9.7 5.3
En (Di) 0.0 4.0 7.0 6.2 2.2 1.8 6.0 5.0 5.2 5.8 2.4
Fs (Di 0.0 3.3 3.9 4.0 2.4 1.7 5.4 2.9 3.1 3.4 2.8
En (Hy) 0.1 7.9 1.2 0.5 5.8 6.2 0.0 4.1 5.4 2.1 4.5
Fs (Hy) 0.0 6.4 0.7 0.3 6.4 5.9 0.0 2.4 3.2 1.2 5.2
Ol (Fo) 6.2 0.5 2.9 6.1 0.0 0.0 3.0 4.9 3.9 6.0 0.0
Ol (Fa) 3.6 0.4 1.7 4.3 0.0 0.0 3.0 3.1 2.5 3.9 0.0
Ilmenite: 8.3 6.0 5.4 5.3 6.0 6.2 5.9 5.3 5.3 5.4 4.7
Magnetite: 2.9 3.8 2.8 3.6 3.5 3.2 3.5 3.4 3.5 3.5 2.9
Apatite: 1.7 1.4 1.1 1.0 1.2 1.2 1.2 1.1 1.0 1.1 1.0
Total: 99.8 99.8 99.8 99.8 99.9 99.8 99.9 99.8 99.8 99.8 99.9

Notes: * = XRF analyses conducted after the cruise at the University of Massachusetts. Mg# = (Mg# = Mg/[Mg+Fe2+]), where Fe2+ = 0.8 Fe total.