Hydrogeochemical Characteristics and Geothermometry Applications of Thermal Waters in Coastal Xinzhou and Shenzao Geothermal Fields, Guangdong, China

Table 3

Concentrations of major chemical constituents of water samples from Xinzhou and Shenzao (in mg/L).

Label	Cl^−	Br^−				Ca	K	Mg	Na	Si	B	Charge balance
In Xinzhou geothermal field
XH01	1735.73	11.28	106	67.27	1.12	186.19	64.61	1.42	776.02	94.87	0.4	6.77
XH02	1680.05	8.93	97.68	62.79	10	198.03	70.42	0.54	919.42	97.5	0.43	1.83
XH03	1777.47	7.75	97	52.32	2.19	197.12	67.92	0.73	776.48	100.53	0.28	6.7
XH04	1790.72	7.13	90.13	50.83	8.7	208.04	72.9	0.58	950.99	96.51	0.42	1.09
XH05	1450.4	7.8	87.45	67.27	6.56	150.03	64.22	0.58	807.44	93.84	0.38	1.01
XH06	1210.33	8.05	76.81	62.79	7.19	130.56	56.83	0.86	738.69	87.63	0.33	4.77
XH07	586.3	2.49	46.29	79.54	23.59	44.2	19.78	0.33	295.5	47.7	0.14	5.75
XH08	1558.75	7.31	80.54	64.28	9.65	175.11	63.61	0.52	835.36	93.95	0.39	0.64
XH09	1393.16	8.21	89.02	74.75	0.13	121.21	54.66	0.7	669.65	90	0.35	6.43
XC01	30.09	0	28.48	174.91	24.7	66.4	2.27	1.9	3.88	8.74	0	1.96
XC02	32.84	0	24.05	37	43.2	11.5	3.55	3.14	15.81	19.62	0.01	0.93
XC03	112.84	0	80.88	89.7	89.79	42.01	16.38	9.54	35.47	23.76	0.02	1.85
XC04	125.74	0	81.39	41.86	3.69	35.11	19.7	10.72	23.84	8.34	0.02	5.75
In Shenzao geothermal field
SH01	5721.48	31.09	214.17	77.22	2.19	933.84	162.06	10.71	1770.86	79.59	0.66	7.79
SH02	5535.63	22.83	227.17	77.79	4	1207.61	209.41	15.87	1646.81	87.22	0.73	3.25
SH03	5900.65	23.89	243.78	85.73	1.18	1253.9	216.46	19.29	1642.66	89.41	0.73	5.48
SH04	5729.92	27.5	199.91	79.43	3.76	918.21	159.94	12.65	1587.25	81.7	0.65	8.46
SC01	2.87	—	1.9	21.59	—	3.16	0.42	0.14	1.74	—	—	—
SC02	14245.91	121.27	1667.78	121.01	—	260.7	247.4	756	6575	9.15	1.39	—

Charge balance: (cations − anions)/(cations + anions).