Natural and anthropogenic radionuclides in rocks and beach sands from Ezine region (Çanakkale), Western Anatolia, Turkey

Y. Örgün; N. Altinsoy; S. Y. Şahin; Y. Güngör; A. H. Gültekin; G. Karahan; Z. Karacik

doi:10.1016/j.apradiso.2006.06.011

Natural and anthropogenic radionuclides in rocks and beach sands from Ezine region (Çanakkale), Western Anatolia, Turkey

Y. Örgün^*, N. Altinsoy, S. Y. Şahin, Y. Güngör, A. H. Gültekin, G. Karahan, Z. Karacik

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

200 Citations (Scopus)

Abstract

This paper represents the first reports on the natural and anthropogenic radionuclides in Kestanbol granitic pluton and surrounding rocks, and coastal region of the Ezine town. To assess the radiological hazard of the natural radioactivity, the radium equivalent activity, the absorbed dose rate and the external hazard index were calculated, and in situ gamma dose rates were measured. The high-activity concentrations were measured in the pluton and sands, which was originated mainly from the pluton, due to the presence of zircon, allanite, monazite, thorite, uranothorite and apatite. The average activity concentrations of ²³⁸U, ²³²Th and ⁴⁰K are 174.78, 204.69 and 1171.95 Bq kg^-1 for pluton, and 290.36, 532.04 and 1160.75 Bq kg^-1 for sands, respectively. ¹³⁷Cs in Ezine region ranged from 0-6.57 Bq kg^-1. The average absorbed dose rate for the granitic and sand samples were calculated to be 251.6 and 527.92 nGy h^-1, respectively. The maximum contribution to the total absorbed gamma dose rate in air was due to the ²³²Th (52.3% for pluton and 67.1% for sands). The Raeq activities of the pluton and sands are higher than the recommended maximum value of 370 Bq kg^-1 criterion limit of Raeq activity for building materials.

Original language	English
Pages (from-to)	739-747
Number of pages	9
Journal	Applied Radiation and Isotopes
Volume	65
Issue number	6
DOIs	https://doi.org/10.1016/j.apradiso.2006.06.011
Publication status	Published - Jun 2007

Funding

This study is financially supported by The Scientific and Technological Research Council of Turkey (TUBITAK) (Project no.: 104Y031). The authors are thankful to Çekmece Nuclear Research and Training Center (ÇNAEM) for support and cooperation. Thanks are due to Dr. Muzaffer Andaç for his valuable studies in the Ezine region. The authors thank Dr. G.J. Csikai and other referees for critical reviews, which considerably improved the paper.

Funders	Funder number
TUBITAK	104Y031
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu

Keywords

Absorbed gamma dose rate in air
Canakkale
Kestanbol pluton
Natural and anthropogenic radionuclides
Radium equivalent activity
Sand
Turkey
U and Th content

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.apradiso.2006.06.011

Cite this

@article{abed14ef54ca40138f1689943ca6470c,

title = "Natural and anthropogenic radionuclides in rocks and beach sands from Ezine region ({\c C}anakkale), Western Anatolia, Turkey",

abstract = "This paper represents the first reports on the natural and anthropogenic radionuclides in Kestanbol granitic pluton and surrounding rocks, and coastal region of the Ezine town. To assess the radiological hazard of the natural radioactivity, the radium equivalent activity, the absorbed dose rate and the external hazard index were calculated, and in situ gamma dose rates were measured. The high-activity concentrations were measured in the pluton and sands, which was originated mainly from the pluton, due to the presence of zircon, allanite, monazite, thorite, uranothorite and apatite. The average activity concentrations of 238U, 232Th and 40K are 174.78, 204.69 and 1171.95 Bq kg-1 for pluton, and 290.36, 532.04 and 1160.75 Bq kg-1 for sands, respectively. 137Cs in Ezine region ranged from 0-6.57 Bq kg-1. The average absorbed dose rate for the granitic and sand samples were calculated to be 251.6 and 527.92 nGy h-1, respectively. The maximum contribution to the total absorbed gamma dose rate in air was due to the 232Th (52.3% for pluton and 67.1% for sands). The Raeq activities of the pluton and sands are higher than the recommended maximum value of 370 Bq kg-1 criterion limit of Raeq activity for building materials.",

keywords = "Absorbed gamma dose rate in air, Canakkale, Kestanbol pluton, Natural and anthropogenic radionuclides, Radium equivalent activity, Sand, Turkey, U and Th content",

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AU - Altinsoy, N.

AU - Şahin, S. Y.

AU - Güngör, Y.

AU - Gültekin, A. H.

AU - Karahan, G.

AU - Karacik, Z.

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AB - This paper represents the first reports on the natural and anthropogenic radionuclides in Kestanbol granitic pluton and surrounding rocks, and coastal region of the Ezine town. To assess the radiological hazard of the natural radioactivity, the radium equivalent activity, the absorbed dose rate and the external hazard index were calculated, and in situ gamma dose rates were measured. The high-activity concentrations were measured in the pluton and sands, which was originated mainly from the pluton, due to the presence of zircon, allanite, monazite, thorite, uranothorite and apatite. The average activity concentrations of 238U, 232Th and 40K are 174.78, 204.69 and 1171.95 Bq kg-1 for pluton, and 290.36, 532.04 and 1160.75 Bq kg-1 for sands, respectively. 137Cs in Ezine region ranged from 0-6.57 Bq kg-1. The average absorbed dose rate for the granitic and sand samples were calculated to be 251.6 and 527.92 nGy h-1, respectively. The maximum contribution to the total absorbed gamma dose rate in air was due to the 232Th (52.3% for pluton and 67.1% for sands). The Raeq activities of the pluton and sands are higher than the recommended maximum value of 370 Bq kg-1 criterion limit of Raeq activity for building materials.

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KW - U and Th content

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ER -

Natural and anthropogenic radionuclides in rocks and beach sands from Ezine region (Çanakkale), Western Anatolia, Turkey

Abstract

Funding

Keywords

UN SDGs

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