The aim of this study is to evaluate the radioactivity levels and radiological impacts of representative neoproterozoic rocks: monzogranite, dokhan volcanics, syenogranite, granodiorite, gabbro and metabasalt samples collected from Wadi Um Huytat region in central eastern desert of Egypt using HPGe detector and Alpha GUARD. Remotely sensed data (Landsat 8 OLI) also used in order to appear the high reflectance appearance of neoproterozoic rocks which contain high concentration of radioactive elements. Rhyolite rocks have the highest average concentration of radionuclides of 226Ra, 232Th, 40K and 222Rn. Our results aimed to shed more light on the spatial distribution of natural radionuclides in neoproterozoic rocks.

中文翻译：

---

埃及中东部沙漠 Wadi Um Huytat 新元古代岩石天然放射性核素的放射危害参数

本研究的目的是评估代表性新元古代岩石的放射性水平和放射性影响：二长花岗岩、多汗火山岩、正长花岗岩、花岗闪长岩、辉长岩和变玄武岩样品，使用 HPGe 探测器和 Alpha GUARD 从埃及中东部沙漠的 Wadi Um Huytat 地区收集. 遥感数据（Landsat 8 OLI）也用于显示含有高浓度放射性元素的新元古代岩石的高反射率外观。流纹岩中放射性核素的平均浓度最高，为 226Ra、232Th、40K 和 222Rn。我们的结果旨在更多地了解新元古代岩石中天然放射性核素的空间分布。