Sanda Yusuf Sadau, Ishaya Iliyasu, Adelowo A. A., Sunday Sarki Habila, Yusuf Umar, Gada Sunday Samson, Atipo Kolawole M. & Ojo Emmanuel O.·Physical Science International Journal·2026
Decades of tin extraction on the Jos Plateau have left behind heavily reworked ground, including open pits, spoil heaps and slurry deposits, much of which has gradually been absorbed back into local farming. This paper re-examines a field investigation of that reclamation process...
Open access
Research Article10.9734/psij/2026/v30i5973
Sanda Yusuf Sadau, Ishaya Iliyasu, M. Alpha, Muhammad Lawal, Mubarak Mu’azu Gambo, Gada Sunday Samson & Oyadiran Wuyi Jonathan·Physical Science International Journal·2026
Petroleum exploration and production can introduce potentially toxic metals into the soils and water bodies of host communities, with consequences for both ecosystem integrity and human exposure. This study assessed the concentrations and distribution of ten heavy metals: Ni, Cr,...
Open access
Research Article10.9734/psij/2026/v30i5975
The total concentration of a heavy metal in soil provides limited information about its environmental behaviour, since mobility and potential bioavailability depend strongly on the geochemical phase with which the metal is associated. This study investigated the fractionation, st...
Open access
Research Article10.9734/ajacr/2026/v17i3419
Yusuf Sadau Sanda, Ishaya Iliyasu, Obonyilo Edache Gabriel, Tine Abimbola Adeniji, Oyadiran Wuyi Jonathan, M. Alpha & Gada Sunday Samson·Physical Science International Journal·2026
Naturally occurring radioactive materials (NORM) in soil constitute an important pathway for human exposure to ionising radiation, particularly in areas affected by petroleum exploration and related environmental disturbance. This study evaluated the activity concentrations of ²²...
Open access
Research Article10.9734/psij/2026/v30i5983