GEOCHEMICAL CHARACTERISTICS OF THE MAFIC ENCLAVES AND THEIR HOSTS FROM NEOGENE ERENLERDAGI VOLCANITES, AROUND YATAGAN VILLAGE AND SAĞLIK TOWN (KONYA), CENTRAL TURKEY

 
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GEOCHEMICAL CHARACTERISTICS OF THE MAFIC ENCLAVES AND THEIR HOSTS FROM NEOGENE ERENLERDAGI VOLCANITES, AROUND YATAGAN VILLAGE AND SAĞLIK TOWN (KONYA), CENTRAL TURKEY (EN)

Koçak, K.

Late Miocene to Pliocene volcanism is represented by development of lava domes, nuée ardentes and pyroclastic fall and flow (ignimbrites) deposits in the WSW and NW of Konya city. The lava dome contains various mafic microgranular enclaves (MMEs), which have various size (a few cm to a few meters), shape (ellipse/sphere to rounded), with a well-developed chilly zone. The MMEs samples are situated on mostly basaltic andesite and andesite, and a few MME samples on basaltic trachyandesite area while the host rocks are concentrated on dacite and andesite areas. The felsic samples have more fractionated chondrite-normalised REE pattern (La/YbN: 9.5-18.1) than MMEs (6.7-16.0) ones, but both have slightly developed negative Eu anomaly (Eu/Eu*: 0.67-0.89 in felsic rocks, 0.68-0.87 in MMEs). In primitive mantlenormalized spider diagram, the MMEs and felsic rocks have negative Nb, Ta, P and Ti anomalies, indicating some subduction component in their genesis. Based on geochemical data, the MMEs are suggested to have been formed by hybridization of basic magma mingled with partially crystallized felsic magma. (EN)

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Mafic enclaves (EN)
Erenlerdagı (EN)
volcanism (EN)

Ελληνική Γεωλογική Εταιρεία (EL)
Geological Society of Greece (EN)

Δελτίο της Ελληνικής Γεωλογικής Εταιρίας

2016-07-28


Geological Society of Greece (EN)

0438-9557
2529-1718
Δελτίο της Ελληνικής Γεωλογικής Εταιρείας; Vol 50, No 4 (2016): 14th International Conference of the G.S.G.; 1887-1894 (EL)
Bulletin of the Geological Society of Greece; Vol 50, No 4 (2016): 14th International Conference of the G.S.G.; 1887-1894 (EN)

Copyright (c) 2017 K. Koçak (EN)



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