Size fraction	Products	Weight (%)		Chemical analysis (%)			Distribution (%)
Size fraction	Products	of the fraction	of the initial	SiO₂	Fe₂O₃	NiO	SiO₂	Fe₂O₃	NiO
−8.00 + 4.00 mm	Total	100.00	1.19	47.04	30.47	0.47	100.00	100.00	100.00
−4.00 + 1.00 mm	Magnetic 1	88.96	43.99	11.70	66.46	0.80	80.87	90.54	89.41
	Magnetic 2	9.33	4.61	16.25	63.21	0.86	11.78	9.03	10.08
	Magnetic 3	0.59	0.29	35.53	40.11	0.52	1.63	0.36	0.39
	Non magnetic 3	1.12	0.56	65.43	4.22	0.09	5.72	0.07	0.13
	Total	100.00	49.45	12.87	65.30	0.80	100.00	100.00	100.00
−1.00 + 0.250 mm	Magnetic 1	86.98	29.35	10.20	68.07	0.90	73.30	90.67	88.76
	Magnetic 2	9.72	3.28	16.96	55.71	0.83	13.62	8.30	9.19
	Non magnetic 2	3.29	1.11	48.06	20.41	0.55	13.08	1.03	2.04
	Total	100.00	33.74	12.10	65.30	0.88	100.00	100.00	100.00
−0.250 + 0.063 mm	Magnetic 1	88.44	8.38	9.82	67.19	0.90	68.01	93.23	91.09
	Magnetic 2	7.76	0.74	21.36	50.78	0.86	12.98	6.18	7.71
	Non magnetic 2	3.80	0.36	63.92	9.80	0.27	19.02	0.58	1.20
	Total	100.00	9.48	12.77	63.74	0.87	100.00	100.00	100.00
−0.063 mm	Total	100.00	6.14	16.64	58.61	1.05	100.00	100.00	100.00
Grand Total			100.00	13.24	64.33	0.84