How Does a Geologist Know That Rock Layers Are Undisturbed?

Answer

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.
Q&A Related to "How Does a Geologist Know That Rock Layers Are..."
the way geologist know that rock layers are undisturbed is the rock layers are folded.
http://wiki.answers.com/Q/How_do_geologist_know_th...
Geology is the science and study of the physical matter
http://www.chacha.com/question/how-does-a-geologis...
Use common sense! Where are new layers of rock formed? Towards the top or towards the bottom? What direction do we drill for rock samples? Down, up, sideways? We drill down, so when
http://answers.yahoo.com/question/index?qid=201004...
Earth has three main layers. The top layer, or crust, of the Earth is just a thin shell that sits on top of the mantle. The mantle is a very thick, mostly solid layer of rock. Inside
http://www.ehow.com/facts_7370708_layers-earth-roc...
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The term that is used to describe the bending of rock layers due to stress is called folding or deformation. It is the power that continually forces subjected ...
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