LAYER | CRUST2.0 (38.5W,7.5S) (km/s) | ak135 (km/s) | iasp91 (km/s) | PREM (km/s) |
Soft sediment | 1.20 |
|
|
|
Hard sediment | 2.10 |
|
|
|
Upper crust | 3.60 | 3.46 | 3.36 | 3.20 |
Middle crust | 3.60 |
|
|
|
Lower crust | 3.80 | 3.85 | 3.75 | 3.90 |
Upper mantle |
| » 4.50 (from 35 to 210 km) | » 4.50 (from 35 to 210 km) | » 4.50 (from 24.4 to 115 km) |