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When rocks are subjected to great stress, they can undergo deformation, leading to changes in their shape or structure. If the stress exceeds the rock's strength, it may fracture or break, resulting in faults or other geological features. Additionally, rocks can also experience plastic deformation, where they bend or flow without breaking. This process plays a significant role in the formation of mountains and other geological structures.
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What two things change as rocks undergo stress?
As rocks undergo stress, two things that change are their shape and their volume. The rocks may deform and change their shape based on the type of stress applied, while their volume may also change as the rocks compress or expand under pressure.
Why dont rocks deform under confining stress?
Rocks can deform under confining stress, but the amount of deformation depends on factors such as the type of rock, temperature, pressure, and time. In general, rocks are more likely to deform under higher temperatures and pressures. If the confining stress is higher than the rock's strength, it may deform or fail.
Can sedimentary rocks form under the ocean or on land only?
Sedimentary rocks formed under oceans, but the ocean may no longer be there. The Great Lakes region was once all under water and has much sedimentary rock.
What happens when rocks are under great heat and pressure?
When rocks are under great heat and pressure, they can undergo metamorphism, which changes their mineral composition and texture without melting them. This process can lead to the formation of new minerals and characteristic foliation. If the rocks are subjected to even higher temperatures, they may eventually melt and form igneous rocks.
What major type of rock is most likely to experience brittle deformation?
Igneous rocks are the major type of rock most likely to experience brittle deformation. Due to their rigid and solid structure, they can fracture when subjected to stress, particularly at lower temperatures and pressures. This contrasts with sedimentary and metamorphic rocks, which may exhibit more ductile behavior under similar conditions.
What is the process in which rocks first bend and then break?
The process in which rocks first bend and then break is called deformation. Deformation occurs when rocks experience stress, which can be caused by tectonic forces, pressure, or temperature changes. Initially, rocks may bend or fold under this stress, but if the stress is too great, the rocks can eventually break or fracture.
What two things change as rocks undergo stress?
As rocks undergo stress, two things that change are their shape and their volume. The rocks may deform and change their shape based on the type of stress applied, while their volume may also change as the rocks compress or expand under pressure.
What happens to the rocks at plate boundaries when they undergo stress?
When rocks at plate boundaries undergo stress, they can deform in different ways. They may bend and fold if the stress is not too extreme, or they may break and slip along faults if the stress is too great. This can lead to earthquakes, volcanic activity, or the formation of new structures in the Earth's crust.
Why dont rocks deform under confining stress?
Rocks can deform under confining stress, but the amount of deformation depends on factors such as the type of rock, temperature, pressure, and time. In general, rocks are more likely to deform under higher temperatures and pressures. If the confining stress is higher than the rock's strength, it may deform or fail.
Can sedimentary rocks form under the ocean or on land only?
Sedimentary rocks formed under oceans, but the ocean may no longer be there. The Great Lakes region was once all under water and has much sedimentary rock.
What happens when rocks are under great heat and pressure?
When rocks are under great heat and pressure, they can undergo metamorphism, which changes their mineral composition and texture without melting them. This process can lead to the formation of new minerals and characteristic foliation. If the rocks are subjected to even higher temperatures, they may eventually melt and form igneous rocks.
Why do some rocks have lines and others don't?
Rocks have lines, or foliation, due to the alignment of mineral grains under pressure and temperature during their formation, often in metamorphic rocks. These lines indicate the directional stress the rocks experienced. In contrast, igneous and sedimentary rocks may lack such features because they formed through different processes, such as cooling from molten lava or the accumulation of sediments, which do not involve significant pressure or directional stress.
How do you perform under stress?
Performance under stress is particular to the individual and how they handle stress. Some work very well under stress while others may fall apart. The question might be whether it is considered to be positive or negative stress by the individual experiencing it.
Stress barrier of communication?
when a person is under immense stress, he may find it difficult to undersatnd the message
What hides under bushes and rocks in the desert?
Snakes, scorpions, lizards and a variety of insects and other arthropods may be found under rocks and bushes.
What causes faulting in the crust of the Earth?
When rocks are put under great pressure, the may crack or fracture. one section of rock may then slide alongside or over another -this fracture is called a fault
What do snake hide under?
rocks and branches can be provided in captivity as hiding places in the wild some snakes may burrow and hide under sand, some say hide under rocks etc
