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ultrametamorphism

noun
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ul·​tra·​metamorphism | \ "+ \

Definition of ultrametamorphism

: metamorphism at temperatures and pressures just below the fusion temperature of rock

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History and Etymology for ultrametamorphism

ultra- + metamorphism

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“Ultrametamorphism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrametamorphism. Accessed 27 Jan. 2021.

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