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Carbonatites: contrasting, complex, and controversial


Kamenetsky, VS and Doroshkevich, AG and Elliott, HAL and Zaitsev, AN, Carbonatites: contrasting, complex, and controversial, Elements, 17, (5) pp. 307-314. ISSN 1811-5209 (2021) [Refereed Article]

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Copyright 2021 Mineralogical Society of America

DOI: doi:10.2138/GSELEMENTS.17.5.307


Carbonatites are unique, enigmatic, and controversial rocks directly sourced from, or evolved from, mantle melts. Mineral proportions and chemical compositions of carbonatites are highly variable and depend on a wide range of processes: melt generation, liquid immiscibility, fractional crystallization, and post-magmatic alteration. Observations of plutonic carbonatites and their surrounding metasomatic rocks (fenites) suggest that carbonatite intrusions and volcanic rocks do not fully represent the true compositions of the parental carbonatite melts and fluids. Carbonatites are enriched in rare elements, such as niobium and rare earths, and may host deposits of these elements. Carbonatites are also important for understanding the carbon cycle and mantle evolution.

Item Details

Item Type:Refereed Article
Keywords:carbonatites, alkaline-silicate rocks, gregoryite-nyerereite carbonatite, fenite, geochemistry, inclusions, Oldoinyo Lengai
Research Division:Earth Sciences
Research Group:Geochemistry
Research Field:Inorganic geochemistry
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in the earth sciences
UTAS Author:Kamenetsky, VS (Professor Vadim Kamenetsky)
ID Code:152227
Year Published:2021
Web of Science® Times Cited:1
Deposited By:CODES ARC
Deposited On:2022-08-15
Last Modified:2022-09-19

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