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Geochemical features of multi component mantle source domains beneath Central Anatolia
Date
2016-05-16
Author
Kürkçüoğlu, Biltan
Furman, Tanya
Pickard, Megan
Şen, Erdal
Hanan, Barry
Şen, Pınar
Sayıt, Kaan
Yürür, Mehmet Tekin
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Extensive volcanic activities were developed in Central Anatolia, due to dynamic nature o f the tectonic regime. Although the most of the volcanic zones are represented by major Stratovolcanoes, severe basaltic magmatism with lack of the central cones, were generated over all the Central Anatolia. In this study, we focus on Sivas mafic product s to shed more light on the mantle components, beneath the central Anatolia , that were not investigated in depth so far. Sivas mafic lavas are the most primitive basaltic products along CAFZ zone (MgO 14 wt%) having OIB - like multi - element signatures. Sr - Nd isotopic study reveals that basaltic lavas close and fall within range of OIB field and indicating the involvement of the common component that was not identified in previous studies. 3 Pb isotopic space ( 206 Pb/ 204 Pb, 207 Pb/ 204 Pb, 208 Pb/ 20 Pb) displa y that Sivas mafic lavas fall in the common mantle (C - mantle, Hanan and Graham, 1996) zone and Indian Ocean Ocean MORB sources. Furthermore, Nd - Hf and Pb isotopic data imply that samples do not fall on the mantle array are enriched in Ba, Th, U and deplete d in K and Rb content, proposing that either the minor amount of sediment contributions or metasoma tic processes. Finally, of all the isotopic data and incompatible element signatures indicate that Sivas mafic materials were possibly derived from the inter action of shallow depleted asthenosphere, the regionally heterogeneous lithosphere, and a common source with the isotopic characteristics of the C component.
Subject Keywords
Basalt
,
Radiogenic isotopes
,
Mantle domains
,
C - mantle
,
Central Anatolia
URI
https://hdl.handle.net/11511/72203
https://moam.info/7-jeokimya-sempozyumu-7th-geochemistry-_5a0eb2b51723ddcb7dced6b2.html
Conference Name
7th Geochemistry Sympossium (16 – 18 May 2016)
Collections
Department of Geological Engineering, Conference / Seminar
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B. Kürkçüoğlu et al., “Geochemical features of multi component mantle source domains beneath Central Anatolia,” Antalya, Turkey, 2016, p. 178, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/72203.