Geochemical Characterization of Sedimentary Materials (Limestone, Gypsum, Coal, and Iron Ore) along the Nile River Basin, South Wollo, Ethiopia

Table 5

Geochemical analysis of limestone samples (wt%).

Code	SiO2	AL2O3	Fe2O3	CaO	MgO	Na2O	K2O	MnO	P2O3	TiO2	H2O	LOI
ML-1	11.24	<0.01	0.22	48.08	0.82	<0.01	<0.01	0.08	0.04	0.02	0.41	40.32
ML-2	9.49	<0.01	<0.01	50.40	0.24	<0.01	<0.01	0.04	<0.01	<0.01	0.34	41.08
ML-3	10.14	<0.01	0.34	48.44	0.74	<0.01	0.06	0.02	0.03	0.03	0.28	39.63
ML-4	10.92	<0.01	<0.01	47.30	0.34	<0.01	<0.01	0.02	<0.01	0.03	0.09	39.95
ML-5	8.72	<0.01	<0.01	50.02	0.50	<0.01	<0.01	<0.01	<0.01	<0.01	0.11	41.47
KL-1	65.48	11.22	0.16	3.98	1.14	<0.01	0.30	<0.01	0.10	0.18	4.66	11.91
KB-1	65.10	21.88	<0.01	2.18	0.16	<0.01	<0.01	<0.01	0.14	0.91	0.19	8.69