Table
T15. ICP-AES analyses of the bulk samples from Hole 1188A sent to
CSIRO for midcruise shore-based analyses.
limit
Oxide
(wt%):
TiO2
0.54
0.48
0.61
Al2O3
13.02
12.38
12.57
Fe2O3
4.43
3.69
4.67
MnO
0.01
0.02
0.04
MgO
1.35
1.26
2.78
CaO
3.35
3.91
4.13
Na2O
0.88
1.78
2.44
K2O
1.15
1.18
0.84
P2O5
0.12
0.09
0.26
S(tot)
4.95
3.73
2.71
Trace
element (ppm):
Li
<
<
<
5
Be
<
<
<
2
Sc
10
8
11
V
30
18
92
Cr
16
7
48
Co*
31
8
19
Ni
<
<
21
10
Cu
23
15
19
Zn
124
14
28
As
<
<
<
20
Sr
268
377
359
Y
25
18
18
Zr
103
89
62
Mo
<
<
<
5
Ag
<
<
<
5
Sb
<
<
<
20
Ba
266
427
306
La
10
9
10
Yb
3
2
2
2
Lu
<
<
<
5
Pb
<
<
<
50
Au
(ppb)
<
<
<
200
Notes: ICP-AES = inductively coupled plasma-atomic emission spectroscopy. CSIRO = Commonwealth Scientific and Industrial Research Organization. * = contamination possible from tungsten carbide mill. < = below detection limit. Analyst: L. Dotter, CSIRO, North Ryde, Australia.