European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 33, issue 6
Articles | Volume 33, issue 6
https://doi.org/10.5194/ejm-33-703-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ejm-33-703-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 33, issue 6
Research article
 | 
11 Nov 2021
Research article |  | 11 Nov 2021

Geochronology of granites of the western Korosten AMCG complex (Ukrainian Shield): implications for the emplacement history and origin of miarolitic pegmatites

Leonid Shumlyanskyy, Gerhard Franz, Sarah Glynn, Oleksandr Mytrokhyn, Dmytro Voznyak, and Olena Bilan

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Latest update: 25 Oct 2025
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Short summary
In the paper we discuss the origin of large chamber pegmatite bodies which contain giant gem-quality crystals of black quartz (morion), beryl, and topaz. We conclude that these pegmatites develop under the influence of later intrusions of mafic rocks that cause reheating of the partly crystallized granite massifs and that they supply a large amount of fluids that facilitate the inflation of pegmatite chambers and crystallization of giant crystals of various minerals.
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