Hydrogeochemistry, Geothermometry, and Genesis of the Hot Springs in the Simao Basin in Southwestern China

Table 3

Estimated reservoir temperatures of the hot springs in the Simao Basin.

Sample	Water temperature (°C)	Reservoir temperature (°C)
		Quartz	Quartz (max. steam loss)	Chalcedony	Na-K	Na-K-Ca	Na-Li	Multimineral equilibrium
S1	77.2	127	124	99	<150	96	177	133
S2-1	62.3	115	114	86	198	165	180	125
S2-2	65.8	119	117	91	194	164	178	138
S3	29.7	77	81	46	500	31	134	113
S4-1	32.5	66	71	34	389	9	130	125
S4-2	33.4	66	71	34	426	11	137	128
S5	40.6	104	104	74	<150	151	104	144
S6-1	40.8	81	84	50	<150	55	74	122
S6-2	37.9	83	86	51	<150	68	71	116
S7	39.1	74	78	43	<150	83	102	114
S8-1	39.3	52	59	20	168	76	131	91
S8-2	38.9	55	61	23	173	69	137	97

Geothermometer of quartz is [8]; quartz (max. steam loss), [8]; chalcedony, [8]; Na-K, [41]; Na-K-Ca, [42]; Na-Li, when ; Na-Li, when [43].