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A body of rock affected by tensile stress will likely undergo?
A body of rock affected by tensile stress will likely undergo fracturing or breaking due to the stretching force pulling it apart. This process can lead to the formation of faults, joints, or fractures in the rock mass.
Can you have an earthquake focus within the asthenosphere?
Earthquakes typically occur within the lithosphere, which is the rigid outer layer of the Earth. While the asthenosphere is viscous and can deform, it is less likely to generate earthquakes due to its ductile nature. Most seismic activity is associated with the brittle deformation of the lithosphere.
Elements that are brittle and dull are?
Elements that are brittle and dull are likely to be nonmetals. Nonmetals tend to have brittle, dull properties compared to metals which are typically malleable and lustrous. Examples of brittle and dull elements include carbon in the form of graphite and sulfur.
Are Brittle rocks are more likely to fold then fault?
Brittle rocks are more likely to fault than fold because they are more prone to breaking and fracturing under stress. Folding is more common in ductile rocks that can deform and bend without breaking.
Why do some rocks bend while other rocks break?
This depends on the confining pressure, the temperature and the strain rate applied to the rock mass. In general, the lower the rate of strain, the more likely ductile or plastic deformation leading to bending or folding will occur. The higher the strain rate, the more likely brittle deformation is to occur, leading to the rock "breaking". As the confining pressure increases, a materials shear strength will increase (this usually coincides with a greater depth of burial) and due to the Earth's thermal gradient an increase in temperature. As the shear strength of the rock increases, the occurrence of brittle failure is less likely while the higher temperature means that plastic deformations are more likely to occur.
How does temperature and pressure affect brittle deformation and ductile deformation?
Temperature and pressure can affect brittle deformation by promoting the formation of fractures or faults in rocks under high pressure or temperature conditions. Ductile deformation is more likely to occur at high temperatures and pressures, leading to the rock bending and flowing rather than fracturing. Additionally, increasing temperature can enhance the ductility of rocks, making them more likely to undergo plastic deformation.
Which major type of rock is most likely to experience brittle deformation?
Brittle deformation is most likely to occur in rocks that are hard and brittle, such as igneous rocks like granite or metamorphic rocks like quartzite. These rocks tend to fracture and break when stressed, resulting in brittle deformation.
A body of rock affected by tensile stress will likely undergo?
A body of rock affected by tensile stress will likely undergo fracturing or breaking due to the stretching force pulling it apart. This process can lead to the formation of faults, joints, or fractures in the rock mass.
Are all minerals brittle?
This depends on the confining pressure, the temperature and the strain rate applied to the mineral. In general for minerals (and other materials), the lower the rate of strain, the more likely ductile or plastic creep deformation will occur. The higher the strain rate, the more likely brittle deformation is to occur. As the confining pressure increases, an objects shear strength will increase (this usually coincides with a greater depth of burial) and due to the earth's thermal gradient an increase in temperature. As the shear strength increases, brittle failure is less likely and the higher temperature means that plastic deformations or creep are more likely to occur.
What does it mean if something is brittle?
: Separation of a solid accompanied by little or no macroscopic plastic deformation. Typically, brittle fracture occurs by rapid crack propagation with less expenditure of energy than for ductile fracture. :
Does plastic deformation occurs more readily in warm rock than in cool rock?
Yes, plastic deformation occurs more readily in warm rock than in cool rock because warm rock has lower strength and is more ductile. The higher temperatures allow for easier movement of atoms within the crystal lattice, promoting plastic deformation. Conversely, cool rock is stronger and more brittle, making plastic deformation less likely.
As heat and pressure increases ductile deformation?
becomes more likely
What are small populations most likely to undergo?
Extinction
Can you have an earthquake focus within the asthenosphere?
Earthquakes typically occur within the lithosphere, which is the rigid outer layer of the Earth. While the asthenosphere is viscous and can deform, it is less likely to generate earthquakes due to its ductile nature. Most seismic activity is associated with the brittle deformation of the lithosphere.
Elements that are brittle and dull are?
Elements that are brittle and dull are likely to be nonmetals. Nonmetals tend to have brittle, dull properties compared to metals which are typically malleable and lustrous. Examples of brittle and dull elements include carbon in the form of graphite and sulfur.
What happens when the K value is larger?
When the K value is larger, it means that the system is more rigid and less likely to deform or change shape under external forces. This can lead to a stiffer response in the system and potentially reduce the amount of deformation or displacement that occurs.
Which element is likely to be the most brittle out of selenium cobalt platinum or zinc?
Selenium is the most brittle of the elements listed: The others are all full metals, but selenium is only a semi-metal or a metalloid, and ductility, the negative of brittleness, is a property primarily of metals.
