How does a geologist know if rock layers are undisturbed?


A geologist knows that rock layers are undisturbed by closely examining the physical properties of the rock layers. When rock layers are disturbed they will usually contain some abnormalities. These abnormalities include slanting, folding, cracking, bending, nonconformities, or metamorphism.
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When a rock is disturbed, it usually contains one of the following abnormalities: Slanting. Bending. Folding. Cracking. Metamorphism. or Nonconformities. If a rock layer contains
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