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

Table 5

Stable isotopic compositions and calculated recharge elevations of thermal water samples from Xinzhou and Shenzao.

Label	Name	Type	2013		2014		Evaluated recharge ele. (m.a.s.l.)
			δD	δ^18O	δD	δ^18O
			( SMOW)	( SMOW)	( SMOW)	( SMOW)
In Xinzhou geothermal field
XH01	New hole	TD	−41.5	−6.2			942
XH02	Dun	TD			−41.2	−6.2	872
XH03	Ta	TD			−41.1	−6.2	833
XH04	Jia	TD			−41.6	−6.5	970
XH05	Dongwei	TD	−43.2	−6.5			855
XH07	Old hole	TD					724
XH08	Xiting	TD			−42.1	−6.7	704
XC01	Shanbian	AW	−42.6	−6.4	−39.8	−5.8	—
XC02	Cunjin	AW	−42.8	−6.5	−44.0	−5.8	—
XC03	Huangquan	AW	−41.4	−6.1	−41.6	−5.5	—
XC04	Weijin	AW	−41.2	−6.2	−38.6	−6.1	—
In Shenzao geothermal field
SH01	Shenan	TD	−37.7	−5.9	−36.4	−6.0	1198
SH02	Shenzhong	TD	−33.8	−5.0	−36.1	−5.8	1216
SH03	Shenli	TD	−35.3	−5.3	−36.9	−5.9	1168
SH04	Shenhai	TD	−34.9	−5.4	−37.1	−6.0	1155
SC01	Haiyan	RF	—	—	−60.1	−8.4	—

TD, thermal drill; AW, agricultural well; RF, rainfall; —, not applicable. Previous data by Yuan et al. (2013).