|
Tableau 2: Composition du manteau |
PrimaryMantle
|
Weakly Depleted Mantle |
Depleted Mantle |
|
K2O |
0.0289 |
0.018 |
0.0073 |
|
TiO2 |
0.201 |
0.176 |
0.151 |
|
P2O5 |
0.041 |
0.029 |
0.0167 |
|
Ba |
06/06/04 |
01/04/32 |
01/01/32 |
|
Co |
105 |
|
|
|
Cr |
2625 |
2608 |
2590 |
|
Hf |
0.283 |
0.252 |
0.22 |
|
Nb |
0.658 |
0.423 |
0.1875 |
|
Ni |
1960 |
2050 |
2140 |
|
Rb |
0.6 |
0.376 |
0.1512 |
|
Sr |
19/09/04 |
16.55 |
13/02/04 |
|
Ta |
0.037 |
0.024 |
0.011 |
|
Th |
0.0795 |
0.05 |
0.02 |
|
U |
0.0203 |
0.013 |
0.0051 |
|
V |
82 |
75 |
68 |
|
Y |
04/03/04 |
01/03/87 |
01/03/44 |
|
Zr |
10/05/04 |
01/09/33 |
01/08/16 |
|
La |
0.648 |
0.427 |
0.206 |
|
Ce |
01/01/75 |
01/01/99 |
0.722 |
|
Pr |
0.254 |
0.199 |
0.143 |
|
Nd |
01/01/25 |
01/01/55 |
0.86 |
|
Pm |
|
|
|
|
Sm |
0.406 |
0.353 |
0.299 |
|
Eu |
0.154 |
0.135 |
0.115 |
|
Gd |
0.544 |
0.482 |
0.419 |
|
Tb |
0.099 |
0.088 |
0.077 |
|
Dy |
0.674 |
0.6 |
0.525 |
|
Ho |
0.149 |
0.135 |
0.12 |
|
Er |
0.438 |
0.393 |
0.347 |
|
Tm |
0.068 |
0.061 |
0.054 |
|
Yb |
0.441 |
0.394 |
0.347 |
|
Lu |
0.0675 |
0.061 |
0.054 |