Greenschist facies results from low temperature, moderate pressure metamorphism.
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Any pre-existing type of rock can be modified by the processes of metamorphism.
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Metamorphism of the allochthenous nappe occurred 390-380 Ma in the Middle Devonian.
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Rocks in the paragneiss of the Monte Rosa Nappe record eclogite-facies metamorphism.
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Additional waves of metamorphism continued up until the Alleghanian orogeny.
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It is also an important constituent of amphibolites formed by metamorphism of basalt.
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As granite formed, secondary rocks were only affected by slight contact metamorphism.
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Cordierite typically occurs in contact or regional metamorphism of argillaceous rocks.
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It is especially common in hornfels produced by contact metamorphism of pelitic rocks.
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More examples
Change in the structure of rock by natural agencies such as pressure or heat or introduction of new chemical substances
(metamorphic) of or relating to metamorphosis (especially of rocks); "metamorphic stage"; "marble is a metamorphic rock that takes a high polish"
Metamorphism is the solid-state recrystallization of pre-existing rocks due to changes in physical and chemical conditions, primarily heat, pressure, and the introduction of chemically active fluids. Mineralogical, chemical and crystallographic changes can occur during this process.
Metamorphism is a studio album by Japanese noise musician Merzbow. The release was limited to 1000 copies with the first 500 packaged in a heavy duty marble box and 500 in a slimline jewel case.
In computer science, and in particular functional programming, a hylomorphism is a recursive function, corresponding to the composition of an anamorphism (which first builds a set of results; also known as 'unfolding') and a catamorphism (which then folds these results into a final return value) ...
Metamorphic rock is the result of the transformation of an existing rock type, the protolith, in a process called metamorphism, which means "change in form". ...
The process by which rocks are changed into other forms by the application of heat and/or pressure; The process by which insects development through life stages -- as, for example, those of embryo, larva, pupa and imago. ...
(metamorphic) A rock that has been changed from its original form by subjection to heat and/or pressure
(METAMORPHIC) Rocks that have recrystallized in a solid state due to changes in temperature, pressure, and chemical environment.