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What type of metamorphic facies associated with the subduction of oceanic crust and sediments forms a very high pressure of moderately low temperature?
The metamorphic facies associated with the subduction of oceanic crust and sediments that forms under very high pressure and moderately low temperature is called the "blueschist facies." This facies typically develops at depths of around 15 to 30 kilometers, where the pressure is significantly high, but the temperatures remain relatively low compared to other metamorphic environments. The presence of minerals such as glaucophane and lawsonite characterizes this facies, indicating the unique conditions of subduction zones.
What must the temperature be for the gas to remain at a constant pressure?
"Constant pressure" means the pressure must not change.
Is high pressure rising pressure?
No. High pressure is pressure that is higher than an established normal pressure. The pressure may be rising, falling, or remain the same
What stays the same in metamorphic rock although mineral composition might change?
In metamorphic rock, the texture and structure often remain consistent despite changes in mineral composition. This is due to the processes of heat and pressure that cause recrystallization, leading to the formation of new minerals while maintaining the original rock's overall fabric. Additionally, features like foliation or banding may persist, reflecting the original rock's characteristics.
What are two possible errors of Charles' law experiment?
pressure did not remain constant or if the amount of gas did not remain constant.
Which two types of rocks cooled slowly?
Intrusive igneous and metamorphic. Intrusive igneous rocks are those that solidify underground. Metamorphic rocks are those that are deep underground and subjected to intense heat and pressure, but remain a solid.
How would you make a metamorphic rock into a metamorphic rock?
Do nothing. It is not necessary to do anything if you want a rock to remain the same.
What changes metamorphic rock into magma?
Metamorphic rocks can turn into magma through a process called partial melting caused by high temperatures and pressure in the Earth's mantle. As the metamorphic rock is subjected to increased heat and pressure, some minerals within the rock may melt into magma while others remain solid. This process can lead to the formation of igneous rocks from the melted minerals.
What processes occur during the formation of metamorphic rocks that make it difficult for fossils to survive?
During the formation of metamorphic rocks, high pressure and temperature can alter the minerals and textures of the rock, which can destroy any existing fossils. The recrystallization and deformation that occurs during metamorphism can erase or distort the original fossil structures. Additionally, the fluids involved in metamorphic processes can dissolve any organic material, further eliminating any fossil remnants.
How long does it take for metamorphic rock to melt in the upper mantle of the Earth?
The length of time is totally dependent to the conditions of heat and pressure under which the rock is exposed. Until certain conditions are met, the rock will remain a solid.
Is a bottled nose dolphin metamorphic?
No. Bottlenose dolphins remain in the same form their whole life but grow in size.
Do metamorphic rocks have different kinds of minerals from their parent rocks?
Of course they can. The overall compositions of the rocks will remain the same (assuming a closed system, which isn't always the case), but mineralogically there will be changes due to metamorphic pressures and temperatures. There are a whole list of minerals which only formed from metamorphic processes.
What must the temperature be for the gas to remain at a constant pressure?
"Constant pressure" means the pressure must not change.
Is high pressure rising pressure?
No. High pressure is pressure that is higher than an established normal pressure. The pressure may be rising, falling, or remain the same
What stays the same in metamorphic rock although mineral composition might change?
In metamorphic rock, the texture and structure often remain consistent despite changes in mineral composition. This is due to the processes of heat and pressure that cause recrystallization, leading to the formation of new minerals while maintaining the original rock's overall fabric. Additionally, features like foliation or banding may persist, reflecting the original rock's characteristics.
What are two possible errors of Charles' law experiment?
pressure did not remain constant or if the amount of gas did not remain constant.
What state is salt at pressure?
Applying a pressure on sodium chloride this remain solid; but the allotropic forms are changed.
