| THE HYPOTHESIS: In places, the crust of the earth is subject to horizontal forces that cause deformation. These deformational forces may cause the surface of the earth to be locally uplifted, depressed or tilted. Local uplifts may result in hills or mountains. Local depressions may result in lowlands or valleys. Tilting may cause previously flat areas to become inclined. One or more major landforms of the NYC area are due to uplift, depression or tilting caused by deformation.
THE PREDICTION: A prediction must be made as to what characteristic features should be observed in the NYC region if any of the hills or valleys or sloping flat surfaces originated through uplift, depression or tilting caused by deformation.
It has been established that - horizontal compression causes deformation that may result in folded rock layers.
- folded rock layers are found in some places in NYC.
However, it has not been established that the deformation that created the folded layers in the NYC region also created the associated landforms.
You, therefore, devised a prediction to test the hypothesis that, in an area underlain by folded rock layers, landforms are the direct result of the deformation that created the folded layers. Now you need to see if that prediction is fulfilled in the NYC area.
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For your prediction to be fulfilled, what would you expect to find? (HINT: See your answer to the first journal entry on the 'Hypothesis of Deformation - Statement of the Prediction' web page.)
