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

Table 7

Proximate, calorimetric, and gravimetric analyses (%, KJ/kg).

Code	Moisture	Volatile matter	Fixed carbon	Ash	Calorific value	Sulfur
JC-1	8.97	20.37	38.92	23.74	4929.24	4.17
JC-2	0.45	5.85	<0.02	93.85	ND	0.08
WIC-1	3.96	13.83	33.19	49.01	3278.96	<0.02