They have the same type of force on each fault and the tension is released
Whenever the vertical stress (which mostly is because of gravity) is more than horizontal stresses, normal faults can be created or activated.
The Rio Grande is a river, not a fault. The Rio Grande Valley was formed by a series of normal faults.
A fault called a normal fault occurs when tectonic plates pull apart and tensional stress causes the rock layers to break and move along the fault line. In a normal fault, the hanging wall moves down relative to the footwall due to the extensional forces acting on the rocks.
Normal fault
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In a normal fault, the hanging wall moves down relative to the footwall, resulting in extensional strain. This type of fault forms in response to tensional stress in the Earth's crust, such as the pulling apart of tectonic plates.
Normal fault forms tension stress. It is a stress state wherein a body of material is being stretched or expanded.
Faulting is caused by stress in the rock layers, the stress can break and crack the rock causing a fault. There are two types of faults a normal fault and a reverse fault.
Tensional stress from divergent plate boundaries causes a normal fault to form. This stress pulls rocks apart along a fault line, causing the hanging wall to drop relative to the footwall.
The Rio Grande is a river, not a fault. The Rio Grande Valley was formed by a series of normal faults.
A fault called a normal fault occurs when tectonic plates pull apart and tensional stress causes the rock layers to break and move along the fault line. In a normal fault, the hanging wall moves down relative to the footwall due to the extensional forces acting on the rocks.
tension (Dip-Slip Normal fault)
Normal fault: Associated with tensional stress, where the hanging wall moves down relative to the footwall. Reverse fault: Associated with compressional stress, where the hanging wall moves up relative to the footwall. Strike-slip fault: Associated with shear stress, where the rocks move horizontally past each other.
In a reverse fault, the hanging wall moves up relative to the footwall due to compressional stress. This type of fault occurs in convergent plate boundary settings. Conversely, in a normal fault, the hanging wall moves down relative to the footwall due to extensional stress, which is typically associated with divergent plate boundaries. Stress plays a crucial role in determining the type of fault that forms in response to the tectonic forces acting on the rock.
Normal fault
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In a normal fault, the hanging wall moves down relative to the footwall, resulting in extensional strain. This type of fault forms in response to tensional stress in the Earth's crust, such as the pulling apart of tectonic plates.
Reverse and thrust faults are both under compressive stress.