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Normal faults are when you have hanging walls that slide down relative to and below the footwall. Dip-slip faults are normal faults.
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What are the 3 different types of rock movement in earthquakes?
The three different types of rock movement in earthquakes are normal (extensional) faulting, reverse (compressional) faulting, and strike-slip (lateral) faulting. Normal faulting occurs when rocks are pulled apart, reverse faulting involves rocks being pushed together, and strike-slip faulting involves horizontal movement along a fault line.
What can up and down faulting also be called?
Up and down faulting can also be called normal faulting or graben faulting, depending on the specific geological context. These terms refer to the movement of rock blocks along faults, where one block moves downward relative to the other.
What are the 2 types of faultung?
The two main types of faulting are normal faulting, where the hanging wall moves down relative to the footwall, and reverse faulting, where the hanging wall moves up relative to the footwall.
What type of fault produces horst and graben topography?
A normal fault produces horst and graben topography. In this type of faulting, the hanging wall moves down relative to the footwall, resulting in block faulting where a horst (uplifted block) is adjacent to a graben (down-dropped block).
What type of faulting results from expansive stresses?
Normal faulting results from expansive stresses, where the hanging wall moves down relative to the footwall due to tensional forces pulling the plates apart. This type of faulting is common at divergent plate boundaries where new crust is being formed.
The basin and range province in the western us is a result of what faulting?
The Basin and Range province in the western US is a result of extensional faulting. This type of faulting occurs when the Earth's crust is being stretched, causing blocks of the crust to drop down in a series of mountain ranges and valleys.
What are three types of movements that occur along faults?
Normal faulting, where the hanging wall moves downward relative to the footwall. Reverse faulting, where the hanging wall moves upward relative to the footwall. Strike-slip faulting, where horizontal movement occurs parallel to the fault plane.
What type of faulting takes place at ocean ridges?
Normal faulting takes place at ocean ridges, where tectonic plates are moving apart. As the plates separate, tensional forces cause the crust to stretch and thin, leading to the formation of long, parallel normal faults that create the characteristic topography of mid-ocean ridges.
What type of faulting characterizes mid-ocean ridges and why?
Mid-ocean ridges are characterized by normal faulting. This is because as tectonic plates move away from each other, tensional forces create fractures in the crust that result in the hanging wall moving down relative to the footwall, leading to normal faulting. This process allows magma to rise from the mantle, creating new oceanic crust.
Rifting and normal faulting are characteristic of what type of plate boundary?
Rifting and normal faulting are characteristic of divergent plate boundaries, where tectonic plates are moving apart from each other. This process creates new crust as magma rises to the surface and solidifies, leading to the formation of mid-ocean ridges on the seafloor.
What is distrophism?
Do you mean 'diastrophism'. If so, it refers to the deformation of the Earth's crust, especially folding and faulting
Why are normal faults common along divergent boundary's?
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