Geology and Geophysics
GATE GG-1 topic:structural-geology PYQs
Build your understanding with focused practice from past exam papers.
How to practice topic:structural-geology
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–10 of 45. Imported answers require independent review unless marked reviewed.
Question 17
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A quartz vein in a granitic outcrop has an initial length of 20 cm. If it undergoes uniform stretching resulting in a longitudinal strain of 0.45, the length of the vein post deformation is ________cm (answer in integer).
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Which one of the following stereographic projections represents a reclined fold?
Your answerChoose one option.
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If a dextral strike-slip fault system has a right step-over, which one of the following features will develop?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 40
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A sandstone bed has an orientation of 360°/45W. If the true thickness of the bed is 50 m, the width of the outcrop exposed on a flat surface is ________ m (rounded off to one decimal place).
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 54
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Which of the following statements CORRECTLY describe(s) a parallel fold?
Your answerSelect all correct options. You can choose more than one.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 61
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An oblique-slip normal fault dipping 60°E shows a net slip of 100 m. If the net slip vector has a pitch of 30°, then the heave of the fault is ________ m (answer in integer).
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 12
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A type of fold which is relatively sharp and angular at its synformal and antiformal hinges is known as
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 19
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Consider two intersecting, north-easterly striking and south-easterly dipping dikes Y1 and Y2, which are exposed on an east-west trending vertical wall of a granite (X) quarry as shown below.

The angle that the dikes make with the horizontal on the quarry wall is
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 35
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Which one of the following statements correctly describes the features in the geological map?

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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 46
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What is the value of the maximum shear stress in a rock, for which the state of stress is given by the following Mohr circle?

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