Fig. 5. Symmetry parameter M for = 100 Myr (solid) compared with the ASS type solutions for = 50 Myr (dashed) and = 30 Myr (dotted).
![[FIGURE]](img68.gif)
![[FORMULA]](img2.gif)
= 100 Myr (solid) compared with the ASS type solutions for = 50 Myr (dashed) and = 30 Myr (dotted).