Rivers	Series	Sediment Geo-accumulation Index
Rivers	Series	Igeo_Pb	Igeo_Cr	Igeo_Mn	Igeo_Cd	Igeo_Cu	Igeo_Fe
Logon	S1	−7.895	−9.633	−12.053	Nd	−4.385	−18.074
Logon	S2	−11.55	−9.72	−11.638	Nd	−9.72	−13.54
Chari	S1	−8.065	−9.38	−10.638	Nd	−6.048	−17.811
Chari	S2	−11.55	−10.02	−10.178	−nd	−9.55	−13.657
Confluent	S1	−9.074	−9.913	−12.638	Nd	−6.591	−17.91
Confluent	S2	−11.55	−9.472	−10.638	Nd	−9.135	−14.206
	Fd.Geo	20	90	850	0,3	45	46,000