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The following diagrams show structures of deformation - Leaving Cert Geography - Question 20 - 2006

Question 20

The following diagrams show structures of deformation. In your answer-book, match each of the structures below with the correct label A to D in the diagrams above: ... show full transcript

Worked Solution & Example Answer:The following diagrams show structures of deformation - Leaving Cert Geography - Question 20 - 2006

Step 1

Normal fault

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Answer

Label A represents a normal fault, characterized by the hanging wall moving down relative to the footwall due to extensional forces.

Step 2

Reverse or thrust fault

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Answer

Label D corresponds to a reverse or thrust fault, where the hanging wall moves up relative to the footwall, resulting from compressional forces.

Step 3

Doming

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Answer

Label C illustrates doming, where layers of rock are pushed upwards, creating a bulge typically associated with intrusions or tectonic uplift.

Step 4

Transverse or tear fault

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Answer

Label B depicts a transverse or tear fault, identified by lateral movements of rock masses, where the fault plane is primarily horizontal.

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The following diagrams show structures of deformation - Leaving Cert Geography - Question 20 - 2006

Worked Solution & Example Answer:The following diagrams show structures of deformation - Leaving Cert Geography - Question 20 - 2006

Normal fault

Reverse or thrust fault

Doming

Transverse or tear fault

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