Before revision: The often linear structure is linked to the direction of these thrust forces and the resulting mountain folding which in turn relates to the fault lines in the upper part of the earth 's crust, that run between the individual mountain chains.
After revision: The often linear structure is linked to the direction of these thrust forces and the resulting mountain folding which in turn relates to the fault lines in the upper part of the Earth 's crust, that run between the individual mountain chains.