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.

Topic practice 45 questionsPage 1 of 5

Question 17

Open question
GGNAT1 markNeeds review
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).

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 27

Open question
GGMCQ1 markNeeds review
Which one of the following stereographic projections represents a reclined fold?
Your answerChoose one option.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 31

Open question
GGMCQ1 markNeeds review
If a dextral strike-slip fault system has a right step-over, which one of the following features will develop?
Your answerChoose one option.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 40

Open question
GGNAT1 markNeeds review
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).

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 54

Open question
GGMSQ2 marksNeeds review
Which of the following statements CORRECTLY describe(s) a parallel fold?
Your answerSelect all correct options. You can choose more than one.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 61

Open question
GGNAT2 marksNeeds review
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).

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 12

Open question
GGMCQ1 markNeeds review
A type of fold which is relatively sharp and angular at its synformal and antiformal hinges is known as
Your answerChoose one option.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 19

Open question
GGMCQ2 marksNeeds review
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.
Diagram for Geology and Geophysics question 19

The angle that the dikes make with the horizontal on the quarry wall is
Your answerChoose one option.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 35

Open question
GGMCQ1 markNeeds review
Which one of the following statements correctly describes the features in the geological map?
Diagram for Geology and Geophysics question 35

Your answerChoose one option.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 46

Open question
GGMCQ2 marksNeeds review
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?
Diagram for Geology and Geophysics question 46

Your answerChoose one option.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer