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Which of the following is a type of evidence for the presence of a fault?

1. offset or displacement in rock layers
2. topographic discontinuities
3. breccia
4. slickensides
5. all of the above

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User PaxRoman
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1 Answer

5 votes

Final answer:

Evidence for the presence of a fault includes offset or displacement in rock layers, topographic discontinuities, breccia, and slickensides. These features reveal past movements and indicate that a fault is present.

Step-by-step explanation:

The types of evidence for the presence of a fault include: 1) offset or displacement in rock layers, 2) topographic discontinuities, 3) breccia, and 4) slickensides. All of these features provide clues to the past movements along the fault. Displaced rock layers or offset can indicate the relative movement of the fault blocks.

Topographic discontinuities, such as sudden changes in the landscape, can also be indicative of fault activity. Breccia is a type of rock formed from broken fragments of minerals or rocks cemented together, often found where there has been significant fault movement. Lastly, slickensides are polished surfaces caused by frictional movement along a fault plane. All of these are clear indicators that a fault is present.

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