Folds result from compressional stresses or shear stresses acting over considerable time. Because the strain rate is low and/or the temperature is high, rocks that we normally consider brittle can behave in a ductile manner resulting in such folds.
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What type of stress causes most folds?
Answer and Explanation: Folds are exposed to compression stress. Rocks deform plastically and crumble due to this stress, producing the fold.
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What type of stress is folding?
Folding is generally a plastic response to compressive stress, although some brittle behaviour can happen during folding. An upward fold is an anticline. A downward fold is a syncline.
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What are two types of stress that can cause a fold?
Compression and Tension The type of stress that occurs when an object is squeezed, such as when two tectonic plates collide, is called compression. Another form of stress is tension. Tension is stress that occurs when forces act to stretch an object. folding.
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What types of forces create a set of folds?
10.6a: Compressive forces generate folding and faulting as a consequence of shortening. Compressive forces are common along convergent plate boundaries resulting in mountain ranges.
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What type of stress caused the folding?
Folds result from compressional stresses or shear stresses acting over considerable time. Because the strain rate is low and/or the temperature is high, rocks that we normally consider brittle can behave in a ductile manner resulting in such folds. Geometry of Folds – Folds are described by their form and orientation.
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What is the main cause of folding?
Folding occurs when the Earth’s crust bends away from a flat surface. A bend upward results in an anticline and a bend downward results in a syncline. However, the exact behavior of the material is dependent upon the type of material itself.
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What are two types of stress that can cause a fold?
Compression and Tension The type of stress that occurs when an object is squeezed, such as when two tectonic plates collide, is called compression. Another form of stress is tension. Tension is stress that occurs when forces act to stretch an object. folding.
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Which type of force causes folding?
10.6a: Compressive forces generate folding and faulting as a consequence of shortening. Compressive forces are common along convergent plate boundaries resulting in mountain ranges.
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What type of stress causes folds?
When rocks deform in a ductile manner, instead of fracturing to form faults or joints, they may bend or fold, and the resulting structures are called folds. Folds result from compressional stresses or shear stresses acting over considerable time.
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What are 2 types of stress that deform rock?
Tension: Stress which occurs when rock pulls apart or gets longer. Shear Stress: Stress which occurs when tectonic plates move past each other causing rock to twist or change shape.
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What type of stress causes syncline fold?
Anticlines and synclines are the up and down folds that usually occur together and are caused by compressional stress.
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What force stress is associated with folding?
Answer and Explanation: Compression stress is a force that causes folding. For example, at a convergent plate boundary on the Earth’s crust, compression stress can cause rocks to fold or break.
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What type of stress is faulting?
A normal fault forms as a result of tensional stress, which occurs when two blocks of rock move away from one another.
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What kind of stress creates most folds?
Different types of geologic structures result from different types of stress. For example, shear stress in which one mass of crust slips laterally past another causes very large strike slip faults to form, and most folds are formed by compressive stress.
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What are two types of stress that can cause a fold?
Compression and Tension The type of stress that occurs when an object is squeezed, such as when two tectonic plates collide, is called compression. Another form of stress is tension. Tension is stress that occurs when forces act to stretch an object. folding.
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