释义 |
dedolomitization Petrol.|ˌdiːdɒləmɪtaɪˈzeɪʃən| [f. de- + dolomitize v. + -ation.] The changing of dolomite into rock of another kind. So deˈdolomitize v. trans., deˈdolomitized ppl. a.
1903J. J. H. Teall in Geol. Mag. 4th Ser. X. 514 The cherty dolomites have been dedolomitised by the formation of magnesian silicates... But dedolomitisation has also been produced in another way... The carbonic acid freed itself more readily from the magnesia..converting the original dolomite into an aggregate calcite and periclase. 1930Peach & Horne Geol. Scotl. 113 Another method of dedolomitization should be added to those enumerated by Teall. 1969Nature 9 Aug. 607/2 The partially dedolomitized rocks have three components—calcite of the original limestone, unreplaced dolomite and calcite after dolomite. |