Questions 301–310 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 31 of 65

Question 41

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The strike and dip of the axial plane of a reclined fold is 022° and 28° SE, respectively. The plunge direction (in whole circle bearing) of the axis of the reclined fold is _____ degrees. [in integer]

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Question 42

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If the shrinkage factor of a crude oil is 0.7, its formation volume factor is _____. [round off to 1 decimal place]

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Question 43

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The cross section of a river channel is approximated by a trapezium. The river has an average channel width of 40 m and average depth of 3 m. If the average flow speed is 2 m/s, the discharge rate is ________ m³/s. [in integer]

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Question 44

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A mineral of uniform composition is cut into a wedge shape. The birefringence of the wedge section is 0.012. The retardation at 40 μm thickness of the wedge is ________ nm. [in integer]

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Question 45

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The sand supply and the variability of wind direction results in different dune types. In the options below, choose the CORRECT pair of dune types marked I and II in the figure.
Diagram for Geology and Geophysics question 45

Your answerChoose one option.

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Question 46

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Which one of the following statements is CORRECT?
Your answerChoose one option.

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Question 47

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Identify the common metamorphic minerals labelled X and Y in the ACF diagram.
Diagram for Geology and Geophysics question 47

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Question 48

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Which one of the following schematic P-T paths is characteristic for a rock metamorphosed in a subduction zone?
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Question 49

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Which one of the following is the CORRECT statement regarding the ecology of bivalves?
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Question 50

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On a fault surface with strike and dip 320° and 55° NE, respectively, four sets of slickenlines were measured by a geologist. Given that the fault surface was measured correctly, the plunge and plunge direction of the lineation on the fault surface is
Your answerChoose one option.

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