Podcast
Questions and Answers
Why can rocks undergo significant deformation below the transition point?
Why can rocks undergo significant deformation below the transition point?
- Because the strain rates applied are extremely fast
- Because the strain rates applied are extremely slow (correct)
- Because the rocks are extremely cool
- Because the rocks are extremely hot
What is the characteristic of the upper crust?
What is the characteristic of the upper crust?
- It is cool
- It is mainly ductile
- It is hot
- It is mainly brittle (correct)
What is the area of maximum curvature in a fold?
What is the area of maximum curvature in a fold?
- Limb
- Hinge (correct)
- Syncline
- Anticline
What is the term for fracture or failure surfaces in rock masses?
What is the term for fracture or failure surfaces in rock masses?
What is the term for rocks that contain neither joints nor hair cracks?
What is the term for rocks that contain neither joints nor hair cracks?
What is the term for the classification of discontinuities in rock masses?
What is the term for the classification of discontinuities in rock masses?
What is the primary purpose of a geological map?
What is the primary purpose of a geological map?
What is the term for the angle the plane makes with the horizontal?
What is the term for the angle the plane makes with the horizontal?
What is the term for a layer of sedimentary rock that is distinctly different from overlying and underlying layers?
What is the term for a layer of sedimentary rock that is distinctly different from overlying and underlying layers?
What is the term for the point where the rock is exposed at the surface?
What is the term for the point where the rock is exposed at the surface?
What is the subsidence hazard in case (a) due to?
What is the subsidence hazard in case (a) due to?
What is the term for a break in the geological record, where older rocks are overlain by younger rocks?
What is the term for a break in the geological record, where older rocks are overlain by younger rocks?
What type of fault occurs when there is horizontal compression with slip parallel to the dip of the fault surface?
What type of fault occurs when there is horizontal compression with slip parallel to the dip of the fault surface?
What is the result of horizontal layers being subjected to compressive forces?
What is the result of horizontal layers being subjected to compressive forces?
What is the characteristic of a fault with a dip of less than 450?
What is the characteristic of a fault with a dip of less than 450?
What is the term for the process by which rocks undergo a transition from brittle behavior to ductile behavior?
What is the term for the process by which rocks undergo a transition from brittle behavior to ductile behavior?
What type of fault occurs when there is horizontal shear with slip parallel to the strike of the fault surface?
What type of fault occurs when there is horizontal shear with slip parallel to the strike of the fault surface?
What is the definition of a fault?
What is the definition of a fault?
What is the unit of pressure?
What is the unit of pressure?
What is the relationship between stress and pressure?
What is the relationship between stress and pressure?
What is the unit weight of the shale unit in the example problem?
What is the unit weight of the shale unit in the example problem?
What is the formula for calculating the vertical stress?
What is the formula for calculating the vertical stress?
What is the porosity of the shale at a depth of 600 ft?
What is the porosity of the shale at a depth of 600 ft?
What is the unit of γdry?
What is the unit of γdry?
What is a potential consequence of blasting on the rock?
What is a potential consequence of blasting on the rock?
What is one of the index properties of rock that can be determined through visual description?
What is one of the index properties of rock that can be determined through visual description?
What is the purpose of a triaxial compression test?
What is the purpose of a triaxial compression test?
What is one of the methods used to determine the mineralogical composition of rock?
What is one of the methods used to determine the mineralogical composition of rock?
What is one of the mechanical properties of rock that can be determined through a direct tension test?
What is one of the mechanical properties of rock that can be determined through a direct tension test?
What is one of the index properties of rock that can be determined through a permeability test?
What is one of the index properties of rock that can be determined through a permeability test?
