Investigation of helium isotope variations of alkaline volcanic rocks In Osmaniye Region Turkey

Date

2016-09-05

Author

Aral, Duru
Mutlu, Halim
Aldanmaz, Ercan
Güleç, Nilgün Türkan
Stuart, Fın

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The noble gases, in particular helium isotopes, provide valuable information on the mantle source of recentbasaltic volcanism, especially when linked to trace elements and radiogenic isotopes. Although the alkalinevolcanics in the Kütahya region have been studied in detail by several works by means of trace element variations,radiogenic dating and isotope systematics, noble gas isotope compositions that could signiﬁcantly contribute todynamics of volcanism have not been investigated yet. In this study which aims to ﬁll the deﬁciency of such data,helium isotope compositions of olivine-basalts in Kütahya region are measured.In this study we report helium isotope compositions of olivine from basalts. In olivine-basalts in alkalinevolcanic rocks from the Kütahya region, western Turkey, are investigated. 3He/4He range from 3.0 to 5.19 Ra.These low helium isotope values are most probably indicative of a lithospheric mantle source. Kütahya alkalinevolcanics are enriched in incompatible elements and show prominent negative Ti, Nd and Ta anomaly. Primitivemantle normalized trace element concentration patterns clearly display continental crustal contamination.Chemical compositions and helium isotope systematics imply contribution of a lithospheric mantle source andcontamination of continental crust in the genesis of the Kütahya alkaline lavas

URI

https://hdl.handle.net/11511/80242
https://www.researchgate.net/publication/297268033_Investigation_of_helium_isotope_variations_of_alkaline_volcanic_rocks_in_Kutahya_region

Conference Name

The World Multidisciplinary Earth Sciences (WMESS 2016) Symposium, 5 - 09 September 2016

Collections

Department of Geological Engineering, Conference / Seminar

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Citation Formats

D. Aral, H. Mutlu, E. Aldanmaz, N. T. Güleç, and F. Stuart, “Investigation of helium isotope variations of alkaline volcanic rocks In Osmaniye Region Turkey,” presented at the The World Multidisciplinary Earth Sciences (WMESS 2016) Symposium, 5 - 09 September 2016, 2016, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/80242.