European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 36, issue 5
Articles | Volume 36, issue 5
https://doi.org/10.5194/ejm-36-899-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/ejm-36-899-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 36, issue 5
Research article
 | 
09 Oct 2024
Research article |  | 09 Oct 2024

Experimental petrology constraints on kamafugitic magmas

Francesca Innocenzi, Isra S. Ezad, Sara Ronca, Samuele Agostini, Michele Lustrino, and Stephen F. Foley

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Latest update: 28 Oct 2025
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Short summary
Kamafugites are rare ultrabasic/basic K2O-rich rocks. High-pressure–high-temperature experiments on four samples from the known type localities (Italy, Brazil, Uganda) constrained their melting assemblage, unlike a classical peridotite. Clinopyroxene and phlogopite are the first near-liquidus phases. Olivine appears in two runs. The different abundances of the main phases and the variable contribution of apatite, oxides and titanite explain the variegated kamafugite geochemical features.
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Probing the Earth: experiments on and for our planet