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Theobjectives of thepresentworkwere to characterize the investigated soil usingEDXRFand to evaluate the radioactivity concentrationof theprimordial radionuclides using gamma-ray spectrometry-based HighPurityGermanium (HPGe)detector, Broad energy type (BEGe). Soil characterizationusingEDXRF in thepresent studygives anoverviewof the geological originorprovenienceof the investigated area.As a result, the analyzed soil samples canbe classified chemically as Fe-soil and are illustrative dregs fromthe Continentalmarginbecauseof high concentrationofFe (its concentration ranged from14.78%to22.26%) in all the investigated samples. TheplottingofAl2O3/SiO2 (%) as a functionof Fe2O3 andMgO (%) for the eighteen samplepoints investigated fromDouala and thediagramfor the tectonicdiscriminationof sedimentprovenance evidenced that all soil samples are residue fromPassivemargins. Theobserved activity concentrationprofile of theprimordial radionuclides and the calculated radiumequivalent activity show thatno significant radiological risk canbeobserved for inhabitantswithin the study areas.As regards to that, theobtained results of the twoanalytical techniques couldbe viewedasbaselinedata for subsequent investigationsonelemental characterization and radioactivity assessment in the studyarea.

Elemental quantification and radioactive characterization of soil from Douala Bassa area: littoral region of Cameroon using X- and γ-rays spectrometry