Table 2 List of rheological parameters
Symbol | Meaning | Unit | Value |
|---|---|---|---|
Diffusion creep | |||
A diff | Pre-exponential upper mantle | Pa s | 6.47 × 109 |
Pre-exponential lower mantle | 1.87 × 1014 | ||
E diff | Activation energy upper mantle | J mol−1 | 3 × 105 |
Activation energy lower mantle | 2 × 105 | ||
V diff | Activation volume upper mantle | m3 mol−1 | 4 × 10−6 |
Activation volume lower mantle | 1.5 × 10−6 | ||
Dislocation creep | |||
A disl | Pre-exponential upper mantle | Pan s | 5 × 1016 |
E disl | Activation energy upper mantle | J mol−1 | 5 × 105 |
V disl | Activation volume upper mantle | m3 mol−1 | 11 × 10−6 |
n | Exponential factor | 3.5 | |
