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What is the difference between regional and contact metamorphism?
Regional metamorphism is the creation of metamorphic rock from large geographically significant processes like plate tectonics. Contact metamorphism is the creation of metamorphic rock from the proximity of an existing rock to a heat source provided by a plutonic intrusion.
Which type of metamorphism is associated with orogens?
Regional Metamorphism
What is used to turn shale into slate?
Shale (a sedimentary rock) transforms naturally into slate (a metamorphic rock) after millions of years of burial deep in the crust under high temperature and pressure. It it not possible to artificially transform shale into slate.
Is slate extrusive igneous rock?
Slate is a metamorphic rock which originated typically as a shale, or mudstone/claystone, and is usually associated with Regional Metamorphism (intense pressure with heat). This can be due to overburden, continental collision or other large scale compressional geological processes.
Is gneiss rock contact or regional metamorphism?
whatever the f*** it is, nobody gives a darn
What metamorphic has elongated layers?
Regional metamorphism
What most metamorphic rock forms as a result of?
regional metamorphism
How is contact metamorphism different from regional metamorphic?
contact metamorphism is what happens when something is really hot. regional metamorphism on the other hand involves much larger packages of rocks.
What are the types of rock metamorphism?
Types of metamorphism are Contact Metamorphism Regional Metamorphism Cataclastic Metamorphism Hydrothermal Metamorphism Burial Metamorphism Shock Metamorphism (Impact Metamorphism)
What two geological processes are involved in changing sedimentary rock to a metamorphic rock?
The two processes resulting from sedimentary into metamorphic rock are known as contact metamorphism and regional metamorphism. Regional metamorphism most notably involves two tectonic plates colliding, while contact metamorphism occurs due to the intrusion of magma.
What is the difference between regional and contact metamorphism?
Regional metamorphism is the creation of metamorphic rock from large geographically significant processes like plate tectonics. Contact metamorphism is the creation of metamorphic rock from the proximity of an existing rock to a heat source provided by a plutonic intrusion.
What rock forms at the lowest grade of regional metamorphism?
Slate is the rock that forms at the lowest grade of regional metamorphism. With increased metamorphic grade, slate can further transition into phyllite, then schist, and finally gneiss.
What is 2 types of metamorphic rocks?
Metamorphic rocks are formed by the process of extreme heat, pressure and other chemicals. Two types of metamorphism are dynamic which makes the pressure and extreme heat and thermal which is caused by the heat of magma from a volcanic eruption.
Why are metamorphic rocksformed by contact metamorphism usually not as dense as those formed by regional metamorphism?
Because contact metamorphism usually occurs because of an increase in temperature. In contrary, regional metamorphism is usually the result of compression. Compression makes a rock more dense.
The greatest volume of metamorphic rock is produced during?
The greatest volume of metamorphic rock is produced during mountain-building events, such as collision of tectonic plates or subduction zones. The intense pressure and heat generated during these processes can reshape existing rocks into metamorphic rocks.
What are the 4 types of metamorphism?
contact metamorphism, regional metamorphism, dynamic metamorphism
On on what basis can metamorphic rocks be identified?
Metamorphic rocks can be identified if the rock is foliated or nonfoliated, foliating type, type of metamorphism (contact/regional), and by probable original rock. :)
