Meaning of dedolomitization

de•do•lo•mit•i•za•tion

Pronunciation: (dē-dō"lu-mī"tu-zā'shun, -mi-, -dol"u-), [key]
— n. Geol., Petrol.
  1. a metamorphic process in which the magnesium in dolomitic rock forms new minerals, as brucite and forsterite, and the calcium forms calcite.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.