| average chondrite | core (calculated) | crust (analysed) | mantle (by difference) | xenoliths | basalt + inf res | |
|---|---|---|---|---|---|---|
| O | 33.2 |
- |
46.6 |
44.7 |
44.8 |
44.2 |
| Si | 17.1 |
8.7 |
27.7 |
19.1 |
20.8 |
21.1 |
| Al | 1.22 |
- |
8.1 |
1.3 |
1.6 |
1.9 |
| Fe | 27.2 |
79.3 |
5 |
4.6 |
6.1 |
6.6 |
| Mg | 14.3 |
- |
2.1 |
20.3 |
23.6 |
22.6 |
| Ca | 1.27 |
- |
3.6 |
1.6 |
2.3 |
2.2 |
| Na | 0.64 |
- |
2.8 |
0.8 |
0.2 |
0.4 |
| K | 0.08 |
- |
2.6 |
0 |
0.03 |
0.1 |
| Ti | 0.06 |
- |
0.4 |
0.06 |
0.06 |
0.4 |
| Ni | 1.64 |
5 |
0.08 |
0.2 |
0.2 |
0.2 |
| S | 1.93 |
6.3 |
0.03 |
0.04 |
- |
- |
| Cr | 0.39 |
- |
0.01 |
0.56 |
0.3 |
0.3 |
30% by wt |
0.4% by wt |
70% by wt |