The above photo is a subhorizontal (pavement) fault surface that is tilted gentl

Question

The above photo is a subhorizontal (pavement) fault surface that is tilted gently toward the left (west). A vertical cross-sectional view of this surface from A-A’ looks like this.

Answer the following questions (Do not write or explain answer on the image(s). Simply refer to the image(s) when explaining, but your answers must be in words):

Give the technical name for these fault surface features.

Give the appropriate verbal description of the faulting (i.e., what type of fault is it?), it’s approximate strike and dip relative to the north arrow on the map, and it’s sense of motion)

Explanation / Answer

These fault surface features are known as Thrust Duplex

The type of fault in the given cross section is a thrust fault. The strike of the fault is roughly North and dip is to the east and the sense of motion is towards the dip direction, that is east

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