the folding bending twisting of Rock doesn't call the Rock to break down because it happens only in inner mantle area where the temperatures are two high that the rocks are in a semis liquid kind form that causes the Rock to get folds on it or they get simply bend where the rock in a semis solid from not in all always liquid form but in semi solid form where the rock just twist or band and when the rocks are dry this causes are twisty or banded layer on to the rocks that's why the rock not break because it in a solid or liquid form or in aerosol form
