Geochemical Study of Radioactive Elements (Uranium, Thorium, and Potassium) in the Rocks of Latakia Sheet

Authors

  • Ahlam Ibrahem Tishreen University
  • Mohammad Saied Al-Masri Atomic Energy Commission
  • Afraa Ghadeer Tishreen University

Abstract

This paper deals with a geochemical study of radioactive elements (uranium, thorium, and potassium) in rocks of different composition within the Latakia sheet, where the concentration of radioactive isotopes  238U, 232 Th, 40K was determined using a high-purity germanium detector, and an X-ray diffraction method-was (XRD) used to determine the mineral phases.

The study showed a variation in the concentration of 238U, 232 Th, and 40K in the rocks of the study area, and it was observed that the radioactivity is mainly related to the element thorium, due to the presence of metals carrying thorium. The low concentration of potassium in most samples is due to the low percentage of mica and feldspar metals, or their corruption to elite and montmorillonite.

The ratio Th/U indicated a suitable reference environment for deposition of uranium in most sedimentary samples, and this high percentage in the ophiolitic complex samples (with the exception of serpentinite rocks) is due to the oxidation and migration of uranium from these rocks towards rocks of sedimentary formations, and the stability of thorium and is not affected by oxidative conditions.

The ratio Th/K indicated the predominance of elite and montmorillonite in most samples, with the presence of weather-resistant thorium-bearing metals in the basalt sample, and the sediments of Lake 16 October.

The mineralogical study revealed the existence of mineral phases of uranium and thorium, in addition minerals carrying radioactive elements such as monazite and zircon

 

Author Biographies

Ahlam Ibrahem, Tishreen University

Associate Professor - Department of Geology, Faculty of Science

Mohammad Saied Al-Masri, Atomic Energy Commission

Professor - Department of Protection and Safety, Atomic Energy Commission

Afraa Ghadeer, Tishreen University

Postgraduate Student (PhD) - Department of Geology, Faculty of Science

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Published

2020-12-07

How to Cite

1.
إبراهيم أ, المصري مس, غدير ع. Geochemical Study of Radioactive Elements (Uranium, Thorium, and Potassium) in the Rocks of Latakia Sheet. TUJ-BA [Internet]. 2020Dec.7 [cited 2024Apr.26];42(5). Available from: https://journal.tishreen.edu.sy/index.php/bassnc/article/view/10187

Issue

Vol. 42 No. 5 (2020): Tishreen University Journal for Research and Scientific Studies - Basic Sciences Series

Section

Articles

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