RADIOACTIVITY OF GRANITIC ROCKS FROM NORTHERN GREECE

PDF (English)
Publiée : Ιαν 1, 2010
DOI : https://doi.org/10.12681/bgsg.11675
A. Papadopoulos
G. Christofides
C. Papastefanou
A. Koroneos
S. Stoulos
Résumé

Forty-nine samples from several plutons in northern Greece have been studied for their activity concentrations of 40K, 226Ra and 232Th by using gamma-ray spectroscopy. The activities of 40K, 226Ra and 232Th of the majority of the samples exceed the average level of these radionuclides in soil and building materials. Samples of basic composition have very low concentrations of radionuclides while intermediate and acid rocks are more enriched in 40K, 226Ra and 232Th and their decay products. In order to assess the radiological impact from the investigated rocks, absorbed gamma dose rate (Da), annual effective dose (HE), activity index (AI) and gamma-ray index (Iγ) were estimated. The activity concentrations and hazard indices were compared to those of plutonic rock samples from all over the world, as well as other building materials. The average of hazard indices of Greek granites is below ‘world’ average in all cases. Moreover, it is still bellow the criteria of UNSCEAR (2000). Therefore, at least from radiological point of view and for the investigated rocks, the use of granites from northern Greece as building materials is recommended.

Article Details
  • Rubrique
  • Petrology and Mineralogy
Creative Commons License

Ce travail est disponible sous licence Creative Commons Attribution - Pas d’Utilisation Commerciale 4.0 International.

Authors who publish with this journal agree to the following terms:

Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution Non-Commercial License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.

Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g. post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal. Authors are permitted and encouraged to post their work online (preferably in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work.

Téléchargements
Les données relatives au téléchargement ne sont pas encore disponibles.
Références
Adams J.A.S., Osmond Y.K. and Rogers J.J.W., 1959. The geochemistry of uranium and thorium. Phys.
Chem. Earth 3, 298-343.
Anjos R.M, Veiga R., Soares T.,. Santos A.M.A, Aguiar J.G., Frasca M.H.B.O., Brage J.A.P., Uzeda D.,
Mangia L., Facure A., Mosquera B., Carvalho C., Gomes P.R.S., 2005. Natural radionuclide distribution
in Brazilian commercial granites. Radiation Measurements 39, 245 – 253.
Arafa W., 2004. Specific activity and hazards of granite samples collected from the eastern desert of
Egypt. J. Environ. Radioactivity. 75, 315-327.
Asghar M., Tufail M., Javied S., Abid A. and Waqas M., 2008. Radiological implications of granite of
XLIII, No 5 – 2689
northern Pakistan. Journal of Radiological Protection 28, 387-399.
Chen C.J., Lin Y.M., 1996. Assessment of building materials for compliance with regulations of ROC. Environment
International 22, 221-226.
Christofides, G., Soldatos, T., Eleftheriadis, G. and Koroneos, A., 1998. Chemical and isotopic evidence
for source contamination and crustal assimilation in the Hellenic Rhodope plutonic rocks. Acta Vulcanologica,
(2), 305-318.
Christofides G., Koroneos A., Pe-Piper G., Katirtzoglou K., Chatzikirkou, 1999. Pre-Tertiary A-Type
magmatism in the Serbomacedonian massif (N. Greece): Kerkini granitic complex. Bulletin of the Geological
Society of Greece vol. XXXIII, 131-148.
D’ Amico C., Christofides G., Eleftheriadis G., Bargossi G.M., Campana R., Soldatos T., 1990. The Sithonia
Plutonic Complex (Chalkidiki, Greece). Miner. Petrogr. Acta vol. XXXIII, 143-177.
El-Arabi A.M., 2007. Ra, Th, K concentrations in igneous rocks from eastern desert Egypt and its radiological
implications. Radiat. Meas. 42, 94-100.
El-Shershaby A., 2002. Study of radioactivity levels in granite of Gable-Gattar II in the north eastern
desert of Egypt. Appl. Radiat. Isot. 57, 131-135.
European Commission (EC), 1999. Radiation Protection 112 : Radiological Protection Principles Concerning
the Natural Radioactivity of Building Materials Directorate –General Environment, Nuclear
Safety and Civil Protection.
Faure G., 1986. Principles of Isotope Geology, second ed. John Wiley & Sons, London, 464 pp.
Grigoriadou A., Koroneos A., Eleftheriadis G., 2003. Mineralogy of Kastoria pluton, Bulletin of the Geological
Society of Greece vol. XXXV, 46-60.
International Union of Geological Sciences (I.U.G.S.), 1973. Subcommision on the systematic of igneous
rocks. Classification and nomenclature of plutonic rocks. N. Jb. Min. Mh., 1973, 149-163.
Karavasili E., 2004. Mineralogy, Petrology and Radioactivity of Greek granitic rocks. MSc Thesis, School
of Geology, Aristotle University of Thessaloniki, 98 pp. (in Greek).
Karavasili E., Christofides G., Papastefanou C., Koroneos A. and Stoulos S., 2005. Mineralogy, Petrography
and Radioactivity of Greek Granites. Proceedings of the 2nd Congress of the Committee of the
Economic Geology, Mineralogy & Geochemistry of the Geological Society of Greece, Thessaloniki,
-132.
Koroneos A., 1991. Mineralogy, petrology and geochemistry of the Eastern Varnountas plutonite (NW
Macedonia). Ph.D. thesis, Univeristy of Thessaloniki, 450pp (in Greek with English abstract).
Menager M.T., Heath M.J., Ivanovich M., Montjotin C., Barillon C.R., Camp J. and Hasler S.E., 1993.
Migration of uranium from uranium-mineralised fractures into rock matrix in granite: implications for
radionuclide transport around a radioactive waste repository. Radfiochem. Acta 66/67 47-83.
Orgun Y. and Altinsoy N., 2005. Natural radioactivity levels in granitic plutons and groundwaters in
southeast part of Eskisehir, Turkey. Appl. Radiat. Isot. 63, 267-275.
Pakou A.A., Assimakopoulos P.A. and Prapidis M., 1994. Natural radioactivity and radon emanation factors
in building materials used in Epirus (north-west Greece). Science of the Total Environment 144,
–260.
Papastefanou C., Manolopoulou M. and Charalambous S., 1984. Exposure from the radioactivity in building
materials. Health Physics 47, 775–783.
Pavlidou S., Koroneos A., Papastefanou C., Christofides G., Stoulos S., Vavelides M., 2006. Natural radioactivity
of granites used as building materials. Journal of Environmental Radioactivity 89, 48-60.
Petropoulos N.P., Anagnostakis M.J. and Simopoulos S.E., 2002. Photon attenuation, natural radioactivity
content and radon exhalation rate of building materials. Journal of Environmental Radioactivity
XLIII, No 5 – 2690
, 257–269.
Savidou A., Raptis C. and Kritidis P., 1995. Natural radioactivity and radon exhalation from building materials
used in Attica region, Greece. Radiation Protection Dosimetry 59, 309–312.
Siotis I. and Wrixon A.D., 1984. Radiological consequences of the use of fly ash in building materials in
Greece. Radiation Protection Dosimetry 7, 101–105.
Soldatos T., 1985. Petrology and geochemistry of the Elatia pluton. Ph.D. Thesis, University of Thessaloniki,
Greece, 303 p., (in Greek with English abstract).
Stoulos S., Manolopoulou M., Papastefanou C., 2003. Assessment of natural radiation exposure and radon
exhalation from building materials in Greece. Journal of Environmental Radioactivity 69, 225–240.
Tzortzis M., Tsertos H., Christofides S., Christodoulides G., 2003. Gamma measurements and dose rates
in commercially used tiling rocks (granites). Journal of Environmental Radioactivity 70, 223-235.
United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR), 1993. Sources and
Effects of Ionizing Radiation. United Nations, New York.
United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR), 2000. Sources and
Effects of Ionizing Radiation, Vol .I. United Nations, New York.
Articles les plus lus par le même auteur ou la même autrice