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Hint: For question 34, assume the sedimentary rocks beneath feature H have been folded into a convex-upward structure that resembles an arch.
34. Is Feature H an anticline or syncline?
A. Anticline
B. Syncline
C. Hogback ridge
D. Both a syncline and anticline
Hint: For question 35, use the geologic cross-section of the Boulder area on this website to help you determine the correct answer: http://bcn.boulder.co.us/basin/watershed/geology/. In particular, note the landform associated with the outcropping of the Dakota Formation that is given on the cross-section.
35. What is Feature I (linear feature) which is located at the base of the Rocky Mountains?
A. Anticline
B. Syncline
C. Hogback ridge
D. Both a syncline and anticline
Hint: For question 36, note that the feature in question may not be as high as a cliff; it may simply be a short but noticeable vertical face that results in a “step” in the landscape (see Section 11.10 in the textbook for an example).
36. What is the name of the cliff face formed by a normal fault?
A. Scarp
B. Talus
C. Scree
D. Slide
37. What is Feature J? (Click the downward pointing cones to determine which feature is J and which is K).
A. Horst
B. Graben
C. Ridge
D. Reverse fault
38. What is Feature K?
A. Horst
B. Graben
C. Ridge
D. Reverse fault
39. What fault is not associated with uplift?
A. Normal
B. Reverse
C. Overthrust
D. Strike-slip
40. Are faults limited to land, or can they occur under water as well? Explain why or why not.
A. Limited to land, as there is no evidence of faulting under water
B. Limited to land, as faulting is a continental crust phenomenon
C. Not limited to land, as faulting can occur under water
D. Not limited to land, as faulting requires at least one side to be oceanic.
Explanation / Answer
34 A. Anticline since the surface is pushed upwards the pointed area is Anticline
35 A. Anticline
36. A. Scarp The cliff face formed by the movement of normal fault is called as fault scrap
37 B. Graben. After the normal fault the elevated portion is called as Horst and the depression is called as Graben
Please ask rest of the questions in separate questionnaire.
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