Table EA-1 Major element, REE and trace element analyses for low-grade metamorphic rocks in the Sulu Orogenic belt
No.	Name of rocks	SiO2	TiO2	Al2O3	Fe2O3	FeO	MnO	MgO	CaO	Na2O	K2O	P2O5	CO2	H2O+	Total	
SD-40	phyllite	62.81	1.01	17.03	2.57	0.98	0.02	1.37	0.47	0.40	10.79	0.31	0.04	1.81	99.61	
SD-45	Meta-sandstone	85.50	0.53	5.24	1.63	0.72	0.01	0.85	0.71	0.37	2.64	0.52	0.04	1.04	99.80	
SD-46	Meta-sandstone	90.48	0.57	3.71	0.41	0.47	0.01	0.43	0.38	0.14	2.27	0.26	0.04	0.63	99.80	
SD-47	Meta-sandstone	86.77	0.49	5.43	0.97	0.48	0.01	0.55	0.30	0.24	3.60	0.22	0.04	0.69	99.79	
SD-48	phyllite	60.49	0.93	16.18	5.27	2.10	0.01	1.79	0.33	0.48	10.02	0.23	0.04	1.79	99.66	
SD-49	slate	75.50	1.21	9.26	2.71	1.82	0.03	1.12	0.28	0.35	6.02	0.17	0.04	1.17	99.68	
SD-50	slate	73.91	0.19	13.21	1.05	0.80	0.05	0.57	1.14	3.75	3.87	0.06	0.04	1.09	99.73	
SD-52	quartzite	94.97	0.32	2.15	0.01	0.15	0.01	0.14	0.05	0.11	1.62	0.02	0.02	0.37	99.94	
SD-53	quartzite	95.11	0.10	1.96	0.32	0.28	0.01	0.23	0.06	0.13	1.29	0.02	0.04	0.29	99.84	
SD-54	Quartz schist	89.88	0.57	4.65	0.02	0.35	0.01	0.27	0.30	0.58	2.54	0.03	0.02	0.54	99.76	
REE（ppm）	
No.	La	Ce	Pr	Nd	Sm	Eu	Gd	Tb	Dy	Ho	Er	Tm	Yb	Lu	Y		
SD-40	62.42	121.10	13.56	46.88	7.74	1.94	6.26	0.99	5.08	0.97	2.64	0.39	2.29	0.35	24.68		
SD-45	37.81	77.87	9.55	36.04	7.46	2.03	7.24	1.17	6.48	1.16	3.20	0.46	2.51	0.38	31.48		
SD-46	27.06	53.45	6.48	24.47	4.95	1.23	4.98	0.89	4.95	0.93	2.67	0.39	2.20	0.33	26.47		
SD-47	17.56	35.49	4.66	18.35	3.97	1.25	4.37	0.72	4.23	0.79	2.19	0.31	1.69	0.25	22.7		
SD-48	52.29	97.00	11.58	40.33	7.41	1.93	6.38	1.03	6.06	1.20	3.56	0.53	3.05	0.45	33.06		
SD-49	25.78	54.64	6.69	23.62	4.31	1.17	3.86	0.67	3.81	0.78	2.40	0.39	2.39	0.38	22.17		
SD-50	25.55	45.01	5.63	18.45	3.24	0.59	2.71	0.49	2.73	0.56	1.73	0.30	1.94	0.31	15.69		
SD-52	5.27	8.61	1.25	4.11	0.89	0.36	0.81	0.12	0.63	0.13	0.40	0.06	0.45	0.09	3.57		
SD-53	4.41	6.59	0.81	2.78	0.50	0.19	0.44	0.08	0.43	0.10	0.31	0.05	0.34	0.06	2.55		
SD-54	11.24	18.61	2.23	7.59	1.38	0.49	1.15	0.18	1.00	0.20	0.58	0.09	0.57	0.10	5.57		
trace element（ppm）and some key parameter	
No.	Rb	Sr	Ba	Cr	Co	Ni	Nb	V	Zr	Sc	U	Th	∑REE	∑L/H	δEu	(La/Yb)N	
SD-40	204.40	203.00	1774.00	84.90	15.10	43.10	19.60	71.90	465.00	10.30	0.80	11.80	272.61	13.37	0.85	18.42	
SD-45	62.10	109.00	532.00	32.60	11.20	24.30	12.30	45.90	424.00	5.10	0.60	22.50	193.36	7.56	0.84	10.18	
SD-46	41.80	74.00	462.00	16.40	1.10	3.40	13.70	22.10	542.00	2.60	0.50	22.30	134.98	6.78	0.76	8.31	
SD-47	64.30	129.00	812.00	25.60	3.20	6.60	10.50	20.50	267.00	3.10	0.10	8.80	95.83	5.59	0.92	7.02	
SD-48	221.70	235.00	1327.00	89.60	15.90	54.50	17.60	64.40	368.00	12.00	0.70	10.50	232.8	9.46	0.86	11.59	
SD-49	128.40	148.00	1135.00	40.80	11.00	24.60	30.40	43.30	755.00	5.60	0.70	14.20	130.89	7.92	0.88	7.29	
SD-50	100.10	180.00	1089.00	8.70	4.80	4.40	11.60	14.10	106.00	3.70	1.50	6.30	109.24	9.14	0.61	8.90	
SD-52	26.20	21.00	380.00	11.10	1.70	3.50	9.10	5.00	426.00	0.70	0.40	3.90	23.18	7.62	1.30	7.91	
SD-53	20.90	20.00	329.00	17.30	4.60	9.40	5.20	8.70	250.00	0.80	0.20	2.50	17.09	8.44	1.24	8.76	
SD-54	30.10	96.00	1031.00	19.10	3.50	6.40	11.50	16.50	321.00	2.00	1.00	5.80	45.41	10.73	1.19	13.33