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Petrological and Geochemical Comparison of Rodingites from Kimi -Evia island with outcrops from adjacent regions

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Petrological and Geochemical Comparison of Rodingites from Kimi -Evia island with outcrops from adjacent regions (EN)
Karkalis, Christos
Koutsovitis, Petros
Magganas, Andreas
The present study is focused on the geochemical and petrological comparison between rodingites from the Kimi region in Central Evia (Greece) with those from East and West Othris, as well as with rodingites from Skyros island. Based upon their whole rock geochemical and petrographical data it is suggested that rocks from Skyros island and Kimi-Evia display similar features. Kimi-Evia and Skyros rodingites are characterized by their highly comparable REE patterns with significant LREE enrichments. This is most likely attributed to the effects of carbonic rich fluids, enhancing the transfer of REE via CO3-2 ligands. The West Othris rodingites display similar MREE and HREE patterns with the least fractionated rodingites from Kimi-Evia and Skyros, whereas the LREE are significantly depleted. The East Othris rodingites differ from all other rodingite occurrences, since they exhibit much lower ΣREE contents. Rodingitization in all studied areas was associated with serpentinization processes and was evolved in several metasomatic stages, in which vesuvianite was formed during the last episodes at relatively low temperatures. (EN)
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
polar microscope; whole rock chemistry (EN)
rodingites (EN)
geochemistry (EN)
serpentinization (EN)
vesuvianite (EN)
petrography (EN)
metasomatism (EN)
Geological Society of Greece
Bulletin of the Geological Society of Greece
Petrology and Mineralogy
Δελτίο της Ελληνικής Γεωλογικής Εταιρίας
English
2019-11-08
https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/19603
Geological Society of Greece (EN)
0438-9557
2529-1718
Δελτίο της Ελληνικής Γεωλογικής Εταιρείας; Τόμ. 54 Αρ. 1 (2019): Special Issue on "Tethyan tectonics and the Greek ophiolites”; 95-112 (EL)
Bulletin of the Geological Society of Greece; Vol. 54 No. 1 (2019): Special Issue on "Tethyan tectonics and the Greek ophiolites”; 95-112 (EN)
https://creativecommons.org/licenses/by-nc/4.0
Copyright (c) 2019 Christos Karkalis (EN)



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