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Natural Radioactivity in Soil and Bitumen in Al-Marj Spring and Abu-Jir Village, Anbar, Western Iraq

Iraqi Geological Journal, ISSN: 2414-6064, Vol: 54, Issue: 2, Page: 12-23
2021
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Article Description

The aim of the present research is to illustrate γ-ray levels emitting from soil and bitumen producing fromU,Th, andK along Abu-Jir Fault Zone. in the area extended from Al-Marj valley to Abu-Jir village using scintillometer device. Such study is important in environmental assessment to buildup data base about radioactivity. The concentration of natural radionuclides in the study area was determined to be occurring mostly in the clay minerals and organic matter. A high purity germanium spectrometer was used to detect the activity of these elements which ranged between 100.6±18.1-1526±102, 0-8.4±1.4, and 70.1±10.9-328.2±73 in soil, and 28.2±5.6-94±22.1, 0-2.2±0.5, and 38.4±7.9-70.1±10.9 in bitumen forRa,Th, andK respectively. The anomaly of the Naturally occurring radioactive material was associated with hydrocarbon accumulation and springs. The source ofTh andK came from the same source rock (illite), whileRa was associated with ascending fluids. The obtained results showed that the activity ofRa in soil has value above the world averages and other countries.

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