dolomitization

/ˌdoʊləmɪtɪˈzeɪʃən/
noun
  1. The geological process by which limestone is transformed into dolomite rock through the replacement of calcium with magnesium.
    • Dolomitization often occurs when magnesium-rich water flows through limestone over millions of years.
    • The dolomitization of the coral reef created a hard, durable stone used in local construction.
    • Geologists study dolomitization to understand how ancient seabeds changed into the rock formations we see today.