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Fault characterization

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A fault is observed in a road cut, but there are no obvious rocks units to correlate on either side of the fault to determine relative movement. How else might you determine or even infer whether the hanging wall has moved up or down relative to the footwall? (Hint: Think of fossils, tectonic setting, etc.)

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Solution Preview

The fault is normal if the hanging wall is moving down. This type of fault is caused by extensional forces, and forms horst and graben. If you are in the Basin and Range province, you are likely dealing ...

Solution Summary

Determination of fault type based on fossils and tectonic setting.

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