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. 2005 Jul 29;6(8):708–718. doi: 10.1631/jzus.2005.B0708

Table 8.

Horizontal variations of major, minor and trace element concentrations in Elmamlaha Village in May 2000

Distance (m)	Fallen dust (g/(m²×month))	Concentration
Distance (m)	Fallen dust (g/(m²×month))	SiO₂ (%)	Al₂O₃ (%)	Fe₂O₃ (%)	CaO (%)	MgO (%)	K₂O (%)	Na₂O (%)	Mn (×10⁻⁶)	Pb (×10⁻⁶)	Ni (×10⁻⁶)	Co (×10⁻⁶)
1000	18.83	92.7	0.80	0.90	0.45	0.73	0.60	0.43	530.0	BD	27.14	BD
1500	19.00	93.9	0.95	0.80	0.50	0.75	0.60	0.40	540.0	BD	39.30	BD
2000	10.50	93.0	0.89	0.75	0.50	0.80	0.60	0.50	560.0	BD	35.60	BD
2500	10.00	92.8	0.75	0.70	0.53	0.75	0.60	0.43	480.0	BD	37.13	BD
3000	11.50	91.5	0.70	0.50	0.40	0.70	0.63	0.43	420.0	BD	26.40	BD
3500	17.58	90.5	0.85	0.75	0.45	0.65	0.63	0.45	385.0	BD	25.40	BD
Mean	14.60	92.4	0.82	0.86	0.47	0.73	0.61	0.44	485.8	BD	31.80	BD

BD: Below detection limit