High temperature and high pressure are inferred to occur within Earth's stiffer mantle. As depth increases in the mantle, both temperature and pressure increase. This combination of high temperature and pressure allows for the solid rock to exhibit ductile behavior, resulting in the flow of solid material over long periods of time.
Stiffer mantle.
The pressure of 1.0 million atmospheres is inferred to be in the inner core of Earth. The inner core is a solid layer composed mostly of iron and nickel under extremely high pressure due to the surrounding layers of Earth exerting force on it.
The temperature range within the stiffer mantle is between 500 and 900 degrees Celsius. This region is known as the upper mantle and is composed of solid rock that can deform under high pressure and temperature.
The pressure within the stiffer mantle ranges from about 14 GPa (gigapascals) at the upper boundary to over 136 GPa at the core-mantle boundary. This high pressure contributes to the solid-state behavior of the mantle material despite its high temperature.
The temperature at the boundary between the asthenosphere and the stiffer mantle is estimated to be around 1300-1400 degrees Celsius. This is where the rock starts to become more rigid due to the increase in temperature and pressure as you move deeper into the Earth.
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Stiffer mantle.
The inferred temperature at the interface between the stiffer mantle and the asthenosphere is closest to approximately 1300 to 1500 degrees Celsius (2372 to 2732 degrees Fahrenheit). This temperature range is crucial for the behavior of the asthenosphere, as it becomes partially molten and more ductile, allowing for mantle convection and tectonic plate movement.
Stiffer mantle.
The inferred temperature at the interface between the stiffer mantle and the asthenosphere is typically estimated to be around 1300 to 1500 degrees Celsius. This temperature range corresponds to the conditions under which the upper mantle rocks begin to behave in a ductile manner, allowing for the movement of the asthenosphere. The exact temperature can vary based on local geological conditions and the composition of the mantle materials.
The pressure of 1.0 million atmospheres is inferred to be in the inner core of Earth. The inner core is a solid layer composed mostly of iron and nickel under extremely high pressure due to the surrounding layers of Earth exerting force on it.
The temperature range within the stiffer mantle is between 500 and 900 degrees Celsius. This region is known as the upper mantle and is composed of solid rock that can deform under high pressure and temperature.
The boundary between the Earth's stiffer mantle and the inner core, known as the core-mantle boundary, is inferred to have pressures around 135 gigapascals (GPa) and temperatures estimated to be between 4,000 to 5,000 degrees Celsius. These extreme conditions arise from the immense weight of the overlying mantle and the heat generated by radioactive decay and residual heat from Earth's formation. The exact values can vary based on different geophysical models and assumptions about material properties.
is the temperature if the stiffer mantle above or below its melting point
is the temperature if the stiffer mantle above or below its melting point
is the temperature if the stiffer mantle above or below its melting point
The pressure within the stiffer mantle ranges from about 14 GPa (gigapascals) at the upper boundary to over 136 GPa at the core-mantle boundary. This high pressure contributes to the solid-state behavior of the mantle material despite its high temperature.