Chapter 8 PM

# Sinistral or left lateral opposite wall of fault that

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Sinistral or left lateral- opposite wall of fault that you are standing on moves to left Extensional fault- fault that result in lengthing of layer Contractional fault- fault that results in shortening of layer Cutoff- where fault intersects preexisting contact Cutoff line- intersection between fault and preexisting contact Klippe- Faults on maps & cross section 4. Draw and label the symbols for faults on maps 5. List the bold face terms in this section and make sure you understand their meaning. Fault Separation and Net Slip What is the difference between fault slip and fault separation? - Slip is a displacement vector that connects two points on either side of the fault zone that were connected before faulting. Separation is an apparent displacement parallel to the strike and/or parallel to the dip. It is not the slip, but may be a component of the slip . List the bold face terms as well as the terms in table 8.3 and make sure you understand their meaning.- Dip separation- distance between two bed points as measured along a line parallel to dip direction Heave- horizontal component of dip separation Horizontal separation- offset measured in horizontal direction along a line perpendicular to offset surface Stratigraphic separation- offset measured in a line perpendicular to bedding Strike separation- distance between two beds points as measured along strike Throw- vertical component of dip separation Vertical separation- distance between two points on the offset bed measured ion vertical direction Major fault- large net slip Minor fault- small net slip Slip lineation- structures on the fault that form parallel to net slip vector Fault bend- where dip or strike abruptly changes Flats- fault segments that run parallel to bedding Ramps- fault segments that cut across bedding Fault Bends and fault terminations 6. List the bold face terms in sections 8.2.4 and 8.2.5 and make sure you understand their meaning.- Restraining beds- location where bend is oriented such that the blocks on opposite sides are squeezes together

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Releasing bends- location where bend is oriented such that the blocks on the opposite side are pulled apart Transpression- movement across a segment in a strike-slip fault that results in compression Transtension- movement across a segment in a strike-slip fault that results in extension
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• Fall '08
• Staff
• Geology, Shear, Fault breccia, fault Fault, Fault Bends

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