Depth (km) | 0 to 10 | 10 to 20 | 20 to 30 |
---|---|---|---|
Northern Highlands (NH) | 10,000 | 5,000 | 2,000 |
Central Highlands (CH) | 1,000 | 1,000 | 200 |
Midland Valley (MV) | 100 | 150 | 250 |
Southern Uplands (SU) | 20 | 20 | 1,000 |
Concealed Caledonides (CC) | 500 | 2,000 | 500 |
General Model (GM) | 1,000 | 1,000 | 500 |
Homogeneous half-space (HH) | 900 | 900 | 900 |