奥帕瓦山区选定火成岩中天然放射性的现场测量

Contemporary Trends in Geoscience Pub Date : 2014-09-01 DOI:10.2478/ctg-2014-0017

Agnieszka Dżaluk, D. Malczewski, J. Żaba, M. Dziurowicz

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引用次数: 2

摘要

摘要对波兰东苏台德地区奥帕瓦山脉的4块火成岩进行了原位伽玛射线测量。使用便携式GX3020伽马射线能谱工作站测量天然存在的放射性核素的活性。40K的活度浓度变化范围为914±17 Bqkg-1(片麻岩，神叶岩Góra) ~ 2019±37 Bqkg-1(风化花岗岩，Sławniowice)， 232Th的活度浓度变化范围为7.5±0.6 Bqkg-1(风化花岗岩，Sławniowice) ~ 68±0.9 Bqkg-1(混染片麻岩，Nadziejów)。238U衰变系列的活度范围为10±0.4 Bqkg-1(风化花岗岩，Sławniowice) ~ 62±1.6 Bqkg-1(片麻岩，Kamienna Góra)。研究结果将用于编制苏台德地区放射地图集

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In situ measurements of natural radioactivity in selected igneous rocks of the Opava Mountain region

Abstract In situ gamma-ray measurements of four igneous rocks were taken in the Opava Mountains (Eastern Sudetes, Poland). The activity of naturally occurring radionuclides was measured using a portable GX3020 gamma-ray spectrometry workstation. The activity concentrations of 40K varied from 914 ± 17 Bqkg-1 (gneiss, Kamienna Góra) to 2019 ± 37 Bqkg-1 (weathered granite, Sławniowice), while those of 232Th from 7.5 ± 0.6 Bqkg-1 (weathered granite, Sławniowice) to 68 ± 0.9 Bqkg-1 (migmatitic gneiss, Nadziejów). The activities associated with 238U decay series ranged from 10 ± 0.4 Bqkg-1 (weathered granite, Sławniowice) to 62 ± 1.6 Bqkg-1 (gneiss, Kamienna Góra). The results will be used in compiling Radiological Atlas of the Sudetes

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Contemporary Trends in Geoscience

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