Research Article
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 | δ18O | δD | δ18O | ( 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 | — |
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TD, thermal drill; AW, agricultural well; RF, rainfall; —, not applicable. Previous data by Yuan et al. (2013). |