Table 4: Electron probe microanalysis results (wt%) for Fe-Mn oxides from Carlsberg Ridge.
|
Element |
SiO2 |
SO3 |
FeO |
MnO |
TiO2 |
Al2O3 |
Al/Al + Fe + Mn |
Fe/Mn |
|
|
|
|
Av |
11.82 |
0.10 |
67.5 |
0.06 |
0.06 |
0.31 |
0.003 |
2,486 |
|
|
|
|
Cu |
Co |
Ni |
Ba |
Sr |
As |
Zn |
Pb |
Total |
H2O+ (calc) |
Cu + Co + Zn + Ni |
|
|
Av |
0.66 |
Bdl |
0.04 |
0.04 |
0.02 |
0.06 |
0.51 |
0.10 |
81.7 |
18.28 |
1.19 |
Av: Average, n = 11.