Retrograde alterations of phyllosilicates in low-grade metapelite: a case study from the Szendrő Paleozoic, NE-Hungary

Swiss Journal of Geosciences

Table 3 Bulk rock major element compositions (in weight-%)

Sample	SiO₂	TiO₂	Al₂O₃	Fe₂O₃	FeO	MnO	MgO	CaO	Na₂O	K₂O	H₂O⁻	H₂O⁺	CO₂	P₂O₅	Total	LOI
4.1 m	52.34	1.11	27.37	4.38	0.69	0.03	1.03	0.11	1.13	4.66	0.39	5.92	0.00	0.06	99.22	5.84
7.6 m	49.46	1.05	26.75	6.78	0.49	0.07	1.57	0.19	0.86	4.72	0.91	6.97	0.00	0.11	99.93	6.92
10.6 m	57.08	1.11	25.75	2.37	0.35	0.02	0.84	0.10	1.05	5.15	0.39	5.58	0.00	0.06	99.85	5.54
13.0 m	78.18	0.41	9.83	3.54	0.34	0.02	0.90	0.13	0.66	0.90	0.52	3.68	0.00	0.07	99.17	3.64
34.0 m	54.47	1.07	24.86	3.96	1.56	0.05	1.42	0.14	1.35	5.00	0.50	5.64	0.00	0.08	99.92	5.47
38.3 m	60.21	0.99	21.47	2.36	2.01	0.06	0.86	0.16	0.87	3.96	0.38	5.63	0.44	0.07	99.47	5.85
52.0 m	59.94	0.90	18.10	1.54	4.74	0.05	3.06	0.33	2.33	2.17	0.49	5.06	0.00	0.10	98.81	4.53
60.0 m/b	47.66	0.63	9.11	0.65	3.97	0.19	3.45	14.17	0.76	1.50	0.14	4.25	10.54	0.12	97.14	14.35
75.0 m	47.75	1.29	27.68	1.24	4.25	0.05	2.10	0.46	0.75	6.20	0.32	6.81	0.00	0.08	98.98	6.34
89.0 m/a	58.22	0.36	4.86	1.19	4.64	0.41	1.79	11.36	1.34	0.42	0.14	2.55	9.54	0.08	96.90	11.57
89.0 m/b	50.26	0.94	21.63	1.59	5.61	0.07	3.41	1.84	0.54	4.61	0.88	5.79	1.37	0.12	98.66	6.54