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Highlights and Breakthroughs. Reaction pathways toward the formation of dolomite



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Pina Martínez, Carlos Manuel (2015) Highlights and Breakthroughs. Reaction pathways toward the formation of dolomite. The American mineralogist, 100 (5-6). pp. 1017-1018. ISSN ISSN: 0003-004X


Official URL: https://pubs.geoscienceworld.org/msa/ammin/article/100/5-6/1017-1018/40446


Little is known about the physico-chemical processes that lead to the formation of dolomite in nature. Issues requiring further investigation include: (1) the role played by amorphous carbonate precursors, (2) the mechanisms of transformation of such precursors into proto-dolomite and dolomite, and (3) the controlling factors of the kinetics of the reactions that eventually result in the crystallization of highly ordered dolomite. In the article by Rodriguez-Blanco et al. in this issue entitled “A route for the direct crystallization of dolomite,” the authors present experimental evidence of a threestage process that, starting from the precipitation of an amorphous magnesium calcium carbonate, produces proto-dolomite via spherulitic growth, and subsequently ordered dolomite. This article provides new insights into reaction pathways toward the formation of dolomite.

Item Type:Article
Uncontrolled Keywords:Dolomite, amorphous precursors, dissolution-crystallization, reaction pathways, reaction kinetics
Subjects:Sciences > Geology > Crystallography
ID Code:51672
Deposited On:27 Feb 2019 12:42
Last Modified:27 Feb 2019 15:31

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