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CIVIL & ENVIRONMENTAL ENGINEERING

A study of environmental radioactivity measurement of selected Kaolin mining fields in Kwara, Nigeria

Mojisola Rachael Usikalu1 Department of Physics, Covenant University, Ota, NigeriaCorrespondence[email protected]

https://orcid.org/0000-0003-2233-4055 View further author information

Muyiwa Michael Orosun2 Department of Physics, University of Ilorin, Ilorin, NigeriaView further author information

Akinwumi Akinpelu1 Department of Physics, Covenant University, Ota, NigeriaView further author information

Kayode John Oyewumi2 Department of Physics, University of Ilorin, Ilorin, NigeriaView further author information

Sanjay Kumar Shukla3 School of Engineering, Edith Cowan University, AustraliaView further author information

(Reviewing editor:)

Article: 2105034 | Received 17 Aug 2021, Accepted 19 Jul 2022, Published online: 28 Jul 2022

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https://doi.org/10.1080/23311916.2022.2105034
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Figure 1. Flow chart of research method process.

Figure 2. (a) Map of Nigeria showing the selected locations. (b) Kaolin mining field showing the sampling locations.

Figure 3. Super SPEC RS-125 gamma spectrometer.

Table 1. In-situ mean activity concentrations of ⁴⁰K, ²³⁸U, ²³²Th and the absorbed dose rates from Kaolin mining field in Ilorin-west

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Table 2. In-situ mean activity concentrations of ⁴⁰K, ²³⁸U, ²³²Th and the absorbed dose rates from Kaolin mining field in Ilorin-south

Download CSV Display Table

Table 3. Comparison of the mean activity concentration and dose rate with other studies

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Table 4. Pearson’s correlation matrix showing the relationship between the measured radionuclides and the gamma dose rate at Kaolin mining field in Ilorin-west

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Table 5. Pearson’s correlation matrix showing the relationship between the measured radionuclides and the gamma dose rate at Kaolin mining field in Ilorin-south

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Figure 4. Summary of the estimated radiological parameters at Ilorin-west.

Figure 5. Summary of the estimated radiological parameters (RIP) at Ilorin-south.

Table 6. Summary of the estimated DR, AED, H_ext, H_intand Ra_eq for the measured activity concentrations at Ilorin-west

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Table 7. Summary of the estimated DR, AED, H_ext, H_int and Ra_eq for the measured activity concentrations at Ilorin-south

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Chandrasekaran, A., Ravisankar, R., Senthilkumar, G., Thillaivelavan, K., Dhinakaran, B., Vijayagopal, P., Bramha, S. N., & Venkatraman, B. (2019). Spatial distribution and life time cancer risk due to gamma radioactivity in Yelagiri Hills,Tamilnadu, India. Egyptian Journal of Basic and Applied Sciences, 1(1), 38–48. https://doi.org/10.1016/j.ejbas.2014.02.001

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Adagunodo, T. A., George, A. I., Ojoawo, I. A., Ojesanmi, K., & Ravisankar, R. (2018). Radioactivity and radiological hazards from a kaolin mining field in Ifonyintedo, Nigeria. MethodsX, 5, 362–16. https://doi.org/10.1016/j.mex.2018.04.009

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A study of environmental radioactivity measurement of selected Kaolin mining fields in Kwara, Nigeria

Table 1. In-situ mean activity concentrations of ⁴⁰K, ²³⁸U, ²³²Th and the absorbed dose rates from Kaolin mining field in Ilorin-west

Table 2. In-situ mean activity concentrations of ⁴⁰K, ²³⁸U, ²³²Th and the absorbed dose rates from Kaolin mining field in Ilorin-south

Table 3. Comparison of the mean activity concentration and dose rate with other studies

Table 4. Pearson’s correlation matrix showing the relationship between the measured radionuclides and the gamma dose rate at Kaolin mining field in Ilorin-west

Table 5. Pearson’s correlation matrix showing the relationship between the measured radionuclides and the gamma dose rate at Kaolin mining field in Ilorin-south

Table 6. Summary of the estimated DR, AED, H_ext, H_intand Ra_eq for the measured activity concentrations at Ilorin-west

Table 7. Summary of the estimated DR, AED, H_ext, H_int and Ra_eq for the measured activity concentrations at Ilorin-south

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A study of environmental radioactivity measurement of selected Kaolin mining fields in Kwara, Nigeria

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Table 1. In-situ mean activity concentrations of 40K, 238U, 232Th and the absorbed dose rates from Kaolin mining field in Ilorin-west

Table 2. In-situ mean activity concentrations of 40K, 238U, 232Th and the absorbed dose rates from Kaolin mining field in Ilorin-south

Table 3. Comparison of the mean activity concentration and dose rate with other studies

Table 4. Pearson’s correlation matrix showing the relationship between the measured radionuclides and the gamma dose rate at Kaolin mining field in Ilorin-west

Table 5. Pearson’s correlation matrix showing the relationship between the measured radionuclides and the gamma dose rate at Kaolin mining field in Ilorin-south

Table 6. Summary of the estimated DR, AED, Hext, Hintand Raeq for the measured activity concentrations at Ilorin-west

Table 7. Summary of the estimated DR, AED, Hext, Hint and Raeq for the measured activity concentrations at Ilorin-south

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Table 1. In-situ mean activity concentrations of ⁴⁰K, ²³⁸U, ²³²Th and the absorbed dose rates from Kaolin mining field in Ilorin-west

Table 2. In-situ mean activity concentrations of ⁴⁰K, ²³⁸U, ²³²Th and the absorbed dose rates from Kaolin mining field in Ilorin-south

Table 6. Summary of the estimated DR, AED, H_ext, H_intand Ra_eq for the measured activity concentrations at Ilorin-west

Table 7. Summary of the estimated DR, AED, H_ext, H_int and Ra_eq for the measured activity concentrations at Ilorin-south