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The trace metals and mineralogical composition of harmattan dust carried outon the samples collected at Jos ((9 55'N, 8 55'E)) and Potiskum ((11 43'N, 1102'E) as revealed by PIXE and AAS machine using clean Petri Dishes and Plasticbowls of 10 cm in diameter aimed on the characteristics of the mineralogicaland elemental composition of the harmattan dust carried out in Nigeria.Thirteen trace elements, Na, K, Ca, Mg, Fe, Cd, Zn, Mn, Cu, Si, Al, Ti, and Zrwere determined and their concentrations were evaluated in differentproportion. Minerals such as Quartz [SiO2], Corundum [Al2O3], Hematite [Fe2O3],Lime [CaO], Periclase [MgO], Rutile [TiO2], Zincite [MnO], Bunsenite [NiO],Cuprite [Cu2O], Zincite [ZnO], Baddeleyite [ZrO2], Litharge [PbO], Monazite[P2O5], Montrodydite [HgO] and Petzite [Au2O3] were also determined indifferent concentrations. The particle weight of the sample for the residentialand commercial areas were calculated to be Jos (18.95g/m2, 19.25g/m2), Potiskum(24.24 g/m2, 2515g/m2) respectively. The results shows that the harmattan dustthat blows across the two stations in Nigeria comprise of high elements andmore minerals.

Mineralogical Characteristics of Harmattan Dust Across Jos North Central and Potiskum North Earthern Cities of Nigeria