faults introduction brad hubeny and...

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Deformation &Structural Geology:

Introduction

Brad Hubeny

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Faults

And Folds

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Stress vs. Strain

• Stress is a force applied to a given area• Strain is the measurable change in shape or

size of a rock body caused by stress

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Compressional Stress

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Tensional Stress

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Shear Stress

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09_08.jpgBrittle vs. Ductile Deformation

8Marble Cylinders

Brittle vs. Ductile Deformation

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Brittle vs. Ductile Deformation

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Deformed Sedimentary Beds

11Figure 10.7

Measuring Orientation: Strike and Dip

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Strike and Dip and Geologic Maps

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