Like a caramel bar
on a hot day, some rocks are ductile: They flow, or change their shape,
in response to stress. If stress is applied over millions of years to
hot, layered rocks within the Earth, the layers may flow into folds.
Flowing rocks can also be stretched into elongated forms.
Did a giant sit on this bench? No, it
was sliced too thin. The marble responded to the pull of gravity