Table T3. Glass
and whole-rock major and trace element compositions of basalts, Hole 1156A.
|
Hole
1156A |
Core,
section: |
2R-1 |
2R-1 |
2R-1 |
2R-1 |
2R-3 |
2R-3 |
2R-3 |
2R-3 |
2R-3 |
2R-3 |
2R-3 |
3R-1 |
3R-1 |
3R-1 |
3R-2 |
3R-2 |
3R-2 |
3R-2 |
Interval
(cm): |
8-12 |
8-12 |
8-12 |
8-12 |
129-133 |
129-133 |
129-133 |
129-133 |
133-138 |
133-138 |
133-138 |
102-109 |
102-109 |
102-109 |
73-77 |
73-77 |
73-77 |
73-77 |
Depth
(mbsf): |
118.28 |
118.28 |
118.28 |
118.28 |
122.35 |
122.35 |
122.35 |
122.35 |
122.39 |
122.39 |
122.39 |
125.62 |
125.62 |
125.62 |
126.83 |
126.83 |
126.83 |
126.83 |
Piece: |
2 |
2 |
2 |
2 |
17 |
17 |
17 |
17 |
17 |
17 |
17 |
15 |
15 |
15 |
8 |
8 |
8 |
8 |
Unit: |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
Analysis: |
XRF |
XRF |
ICP |
ICP |
XRF |
XRF |
ICP |
ICP |
ICP |
ICP |
ICP |
ICP |
ICP |
ICP |
XRF |
XRF |
ICP |
ICP |
Rock
type: |
Moderately
plagioclase-olivine phyric basalt |
Moderately
plagioclase-olivine phyric basalt |
Glass |
Glass |
Glass |
Glass |
Glass |
Glass |
Moderately
plagioclase-olivine phyric basalt |
Major
element (wt%) |
SiO2 |
49.16 |
47.89 |
49.71 |
49.58 |
49.58 |
49.21 |
51.08 |
52.18 |
50.33 |
50.96 |
52.38 |
49.58 |
50.34 |
51.20 |
47.96 |
48.03 |
50.42 |
50.52 |
TiO2 |
1.25 |
1.17 |
1.20 |
1.20 |
1.46 |
1.31 |
1.36 |
1.36 |
1.36 |
1.37 |
1.36 |
1.34 |
1.37 |
1.37 |
1.28 |
1.30 |
1.30 |
1.33 |
Al2O3 |
16.43 |
16.12 |
16.33 |
15.96 |
16.46 |
15.95 |
16.00 |
16.21 |
16.35 |
16.28 |
16.01 |
16.15 |
16.09 |
15.88 |
16.80 |
16.80 |
17.07 |
17.32 |
Fe2O3 |
9.00 |
8.82 |
8.98 |
8.82 |
9.16 |
9.18 |
9.18 |
9.34 |
9.38 |
9.49 |
9.60 |
9.37 |
9.45 |
9.54 |
9.15 |
9.13 |
9.42 |
9.38 |
MnO |
0.15 |
0.13 |
0.15 |
0.15 |
0.17 |
0.15 |
0.16 |
0.16 |
0.16 |
0.16 |
0.16 |
0.15 |
0.16 |
0.16 |
0.15 |
0.15 |
0.16 |
0.16 |
MgO |
7.58 |
7.32 |
7.54 |
7.66 |
7.60 |
7.53 |
8.43 |
8.38 |
8.14 |
8.26 |
8.28 |
8.14 |
8.29 |
8.32 |
6.37 |
6.33 |
6.68 |
6.60 |
CaO |
11.83 |
11.66 |
11.81 |
11.81 |
11.42 |
11.45 |
11.50 |
11.51 |
11.50 |
11.48 |
11.79 |
11.48 |
11.43 |
11.72 |
11.79 |
11.72 |
12.10 |
12.12 |
Na2O |
2.69 |
2.61 |
2.66 |
2.57 |
2.41 |
2.66 |
2.68 |
2.68 |
2.75 |
2.75 |
2.81 |
2.43 |
2.74 |
2.80 |
2.63 |
2.71 |
2.69 |
2.66 |
K2O |
0.34 |
0.32 |
0.29 |
0.31 |
0.41 |
0.38 |
0.10 |
0.10 |
0.12 |
0.11 |
0.11 |
0.11 |
0.11 |
0.10 |
0.20 |
0.20 |
0.17 |
0.17 |
P2O5 |
0.12 |
0.12 |
0.14 |
0.14 |
0.12 |
0.12 |
0.16 |
0.15 |
0.15 |
0.15 |
0.14 |
0.15 |
0.14 |
0.14 |
0.13 |
0.13 |
0.16 |
0.14 |
LOI |
1.19 |
1.19 |
|
|
0.97 |
0.97 |
|
|
|
|
|
|
|
|
0.86 |
0.86 |
|
|
CO2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
H2O |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total: |
99.74 |
97.35 |
98.82 |
98.19 |
99.76 |
98.91 |
100.66 |
102.06 |
100.23 |
101.01 |
102.65 |
98.90 |
100.11 |
101.22 |
97.32 |
97.36 |
100.16 |
100.39 |
Trace
element (ppm) |
Nb |
6 |
|
|
|
6 |
|
|
|
|
|
|
|
|
|
6 |
|
|
|
Zr |
91 |
|
86 |
85 |
96 |
|
99 |
99 |
96 |
94 |
94 |
96 |
95 |
97 |
96 |
|
92 |
91 |
Y |
28 |
|
28 |
27 |
30 |
|
32 |
32 |
32 |
31 |
32 |
34 |
34 |
35 |
30 |
|
30 |
31 |
Sr |
143 |
|
140 |
139 |
143 |
|
124 |
123 |
136 |
135 |
137 |
135 |
136 |
137 |
151 |
|
149 |
152 |
Rb |
7 |
|
|
|
8 |
|
|
|
|
|
|
|
|
|
1 |
|
|
|
Zn |
70 |
|
|
|
74 |
|
|
|
|
|
|
|
|
|
80 |
|
|
|
Cu |
63 |
|
|
|
64 |
|
|
|
|
|
|
|
|
|
62 |
|
|
|
Ni |
167 |
|
144 |
145 |
137 |
|
125 |
131 |
115 |
116 |
120 |
129 |
132 |
131 |
127 |
|
112 |
111 |
Cr |
392 |
|
334 |
342 |
386 |
|
352 |
360 |
365 |
365 |
382 |
322 |
335 |
347 |
386 |
|
346 |
327 |
V |
244 |
|
|
|
250 |
|
|
|
|
|
|
|
|
|
263 |
|
|
|
Ce |
25 |
|
|
|
25 |
|
|
|
|
|
|
|
|
|
30 |
|
|
|
Ba |
|
|
7 |
7 |
|
|
11 |
11 |
10 |
11 |
11 |
8 |
8 |
8 |
|
|
12 |
12 |
Sc |
|
|
32 |
31 |
|
|
34 |
35 |
36 |
36 |
37 |
36 |
36 |
36 |
|
|
34 |
36 |
