Chemical, mineralogical and physical study of Late Iron Age ceramics from Nditam: Cameroon (West central Africa)

Heritage Science

Table 2 chemical composition of major oxides (in wt.%)

Samples	Group	SiO₂	Al₂O₃	Fe₂O₃	MnO	MgO	CaO	Na₂O	K₂O	TiO₂	P₂O₅	LOI
CNDI 01	3	55.66	20.63	11.27	0.04	2.04	0.79	0.18	1.62	1.54	0.22	5.57
CNDI 02	3	53.21	23.35	11.44	0.08	1.58	0.82	0.56	3.91	2.27	0.21	1.89
CNDI 03	2	57.90	25.47	6.18	0.03	0.88	1.07	0.70	1.38	1.32	0.28	4.09
CNDI 04	2	56.77	25.91	7.29	0.03	1.95	1.83	0.79	1.34	0.79	0.37	2.15
CNDI 05	1	62.11	20.96	3.92	0.03	1.01	0.97	0.59	1.59	0.92	0.88	6.40
CNDI 06	3	63.88	18.39	6.30	0.05	1.25	0.69	0.13	3.36	1.84	0.31	3.11
CNDI 07	2	63.19	24.89	3.08	0.01	0.43	0.83	0.50	2.65	0.77	0.13	2.78
CNDI 08	2	66.25	20.70	3.76	0.03	0.65	0.64	0.15	2.12	2.20	0.19	2.57
CNDI 09	3	57.86	19.89	10.93	0.05	1.95	0.89	0.23	2.54	1.74	0.30	2.93
CNDI 10	2	62.76	19.64	9.10	0.03	1.44	0.78	0.22	1.43	1.30	0.30	2.57
CNDI 11	2	64.49	21.17	3.93	0.03	0.77	0.83	0.69	3.15	1.07	0.21	2.89
CNDI 12	2	58.07	25.41	6.20	0.02	0.68	0.89	0.12	2.82	1.65	0.33	3.02
CNDI 13	2	68.62	15.91	6.06	0.03	1.56	0.4	0.07	2.17	1.02	0.23	3.44