Table 1 Main parameters of the simulations

Start time of the simulations

4.2 Gyr

Start time of the impacts

4.1 Gyr

Duration of the simulations

0.5 Gyr

Reference viscosity, \(\eta _0\)

1.0e20 Pa s

Yield Stress

25–195 MPa

Dimensions

2-D & 3-D

Initial Temperature

1900 K

Surface Temperature

300 K

CMB Temperature

4200 K