Podcast
Questions and Answers
What type of fault is characterized by a nearly horizontal fault plane angle?
What type of fault is characterized by a nearly horizontal fault plane angle?
- Normal fault
- Strike-slip fault
- Reverse fault
- Thrust fault (correct)
Which of the following is the most famous strike-slip fault in the world?
Which of the following is the most famous strike-slip fault in the world?
- Garlock Fault
- Hayward Fault
- Calaveras Fault
- San Andreas Fault (correct)
What is the primary cause of mountain building according to the text?
What is the primary cause of mountain building according to the text?
- Subduction of oceanic lithosphere
- Both (a) and (b) (correct)
- Tensional stresses pulling the crust apart
- Convergence of continental plates
In which stress regime is the structure dominated by normal faults?
In which stress regime is the structure dominated by normal faults?
Which type of fault is associated with the Basin-and-Range province?
Which type of fault is associated with the Basin-and-Range province?
What is the primary difference between ductile structures and fractures in terms of formation?
What is the primary difference between ductile structures and fractures in terms of formation?
What is the response of a rock undergoing plastic deformation to stress?
What is the response of a rock undergoing plastic deformation to stress?
Under what conditions are rocks more likely to deform plastically?
Under what conditions are rocks more likely to deform plastically?
In what direction are sedimentary rock layers originally deposited?
In what direction are sedimentary rock layers originally deposited?
What is the most likely outcome when a rock is subjected to sudden stress?
What is the most likely outcome when a rock is subjected to sudden stress?
Sedimentary rocks follow certain rules in their formation. Which of the following statements is correct regarding the order of layers in sedimentary rocks?
Sedimentary rocks follow certain rules in their formation. Which of the following statements is correct regarding the order of layers in sedimentary rocks?
How do rocks respond in elastic deformation when stress is removed?
How do rocks respond in elastic deformation when stress is removed?
What is a decollement surface named after?
What is a decollement surface named after?
Which type of fold is characterized by rocks formed in a completely different environment on the hanging wall compared to the footwall?
Which type of fold is characterized by rocks formed in a completely different environment on the hanging wall compared to the footwall?
What concept refers to the direction in which rocks near the surface have moved relative to rocks deeper down?
What concept refers to the direction in which rocks near the surface have moved relative to rocks deeper down?
What is the configuration called when imbricate thrust faults merge into flats both upward and downward?
What is the configuration called when imbricate thrust faults merge into flats both upward and downward?
What do strike-slip faults that are also plate boundaries commonly refer to as?
What do strike-slip faults that are also plate boundaries commonly refer to as?
'Transtension' involves a combination of which two types of motion?
'Transtension' involves a combination of which two types of motion?
What type of geological structure is formed when rocks bend downward in a circular pattern?
What type of geological structure is formed when rocks bend downward in a circular pattern?
What is the term used to describe the fracture in rocks where movement has occurred on one or both sides?
What is the term used to describe the fracture in rocks where movement has occurred on one or both sides?
What is the angle called at which a fault plane is inclined relative to the horizontal surface of the Earth?
What is the angle called at which a fault plane is inclined relative to the horizontal surface of the Earth?
Which type of fault involves the hanging wall dropping down relative to the footwall?
Which type of fault involves the hanging wall dropping down relative to the footwall?
What is the term used for a simple bend in rock layers that are no longer horizontal?
What is the term used for a simple bend in rock layers that are no longer horizontal?
Which type of fold has the oldest rocks at the center and the youngest rocks draped over them?
Which type of fold has the oldest rocks at the center and the youngest rocks draped over them?
What is the primary role of geomechanics in the oil and gas industry?
What is the primary role of geomechanics in the oil and gas industry?
Which of the following activities can potentially alter the equilibrium of stresses and strengths in a subsurface formation?
Which of the following activities can potentially alter the equilibrium of stresses and strengths in a subsurface formation?
What is the starting point for any formation or reservoir geomechanical assessment?
What is the starting point for any formation or reservoir geomechanical assessment?
Which of the following factors can cause stresses in the subsurface?
Which of the following factors can cause stresses in the subsurface?
Which of the following statements is true regarding stresses in the subsurface?
Which of the following statements is true regarding stresses in the subsurface?
In which areas of the oil and gas industry is geomechanics applied?
In which areas of the oil and gas industry is geomechanics applied?
