Which term describes vertical displacement across a fault offset bed?

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Study for the ASBOG Fundamentals of Geology exam. Access flashcards, multiple-choice questions, and understand key geologic principles. Prepare confidently for your exam!

Multiple Choice

Which term describes vertical displacement across a fault offset bed?

Explanation:
Vertical displacement across a fault offset bed is throw. It measures how far one block has moved vertically relative to the other along the fault, so the same stratigraphic layer on opposite sides ends up offset by that vertical amount (upthrown or downthrown, depending on which side rose). Dip describes the slope angle of the fault or bedding, not the vertical offset. Hinge is a line around which rocks fold, not related to fault offset. Siege isn’t a geology term. Therefore, throw is the correct term for the vertical displacement.

Vertical displacement across a fault offset bed is throw. It measures how far one block has moved vertically relative to the other along the fault, so the same stratigraphic layer on opposite sides ends up offset by that vertical amount (upthrown or downthrown, depending on which side rose). Dip describes the slope angle of the fault or bedding, not the vertical offset. Hinge is a line around which rocks fold, not related to fault offset. Siege isn’t a geology term. Therefore, throw is the correct term for the vertical displacement.

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