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What type of metamorphism is taking place if there is high temp and low pressure?
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What are two processes to cause metamorphism?
what are the physical conditions that causes metamorphism?
Where does metamorphism most take place?
Most metamorphism takes place deep underground, where high heat and pressure change the rocks, since both increase with depth.
What process can change Sedimentary rocks into metamorphism rock?
Subduction and high pressure.
Which factor is most important for each type of metamorphism?
regional: heat and pressure and shear stress (LOCAL)- contact: heat- high pressure- low deformational: high -pressure, low- heat
What produces high grade metamorphism?
Extreme pressure and temperatures, such as those found at the base of a thickened crust.
High grade metamorphism?
The high grade metamorphism refers to the metamorphism that takes place at temperatures that are greater than 320 degree Celsius. The high grade metamorphism also takes place at relatively high pressure.
Where does metamorphism take place?
Most metamorphism takes place deep underground, where high heat and pressure change the rocks, since both increase with depth.
What are two processes to cause metamorphism?
what are the physical conditions that causes metamorphism?
Where does metamorphism most take place?
Most metamorphism takes place deep underground, where high heat and pressure change the rocks, since both increase with depth.
Is Kyanite is an index mineral of a low grade metamorphism?
No, kyanite is an indicator of high pressure metamorphism.
Metamorphism involves what two conditions act on the existing rock to change it?
Metamorphism involves temperature and high pressure and chemical changes. The high pressure, chemical changes and temperature are the metamorphism that act on a rock that makes it change.
What two conditions cause intense metamorphism?
High temperature and high pressure.
What can high grade metamorphic progress to?
high grade metamorphism can progress to pressure and weather.
What process can change Sedimentary rocks into metamorphism rock?
Subduction and high pressure.
Why are foliated rocks made from directed pressure and not confining pressure?
list all the rocks associated with high grade metamorphism
What is the difference between thermal metamorphism and regional metamorphism?
thermal is when the rock is metamorphosed by heat more than pressure. regional is the opposite. so if a rock is close to the surface and gets metamorphosed next to a pluton, it is mainly heat (its not very deep, so there is not a lot of pressure, but it gets a lot of heat from the pluton). but if a rock is very deep and far from any magma, it will be under a lot of pressure, but not a lot of heat. so thus, regional metamorphism.
What is a nonfoliated rock formed by contact metamorphism of a shale or mudstone?
Contact metamorphism takes place locally near igneous intrusions. It is caused by low to moderate pressure, intense heat, and reactions to magma that is being metamorphosed. When contact metamorphism takes place with mudstone or shale (sedimentary rocks) slate is formed. The mudstone or shale is the parent rock or protolith.
