resorption border

variants: or resorption rim

Definition of resorption border

: one of a series of borders of one or more minerals around a central larger crystal representing recrystallizations of material dissolved by a molten magma from previously crystallized minerals

called also corrosion border

— compare reaction rim

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Cite this Entry

“Resorption border.” Dictionary, Merriam-Webster, Accessed 9 Jul. 2020.

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