Hydrogeochemical Characteristics and Geothermometry Applications of Thermal Waters in Coastal Xinzhou and Shenzao Geothermal Fields, Guangdong, China
Table 6
Fresh water and seawater percentages in thermal waters from Xinzhou and Shenzao geothermal fields.
Label
Name
Type
Based on δ18O
Based on δ2H
(%)
(%)
(%)
(%)
In Xinzhou geothermal field
XH01
New hole
TD
71.52%
28.48%
79.79%
20.21%
XH02
Dun
TD
72.85%
27.15%
78.40%
21.60%
XH03
Ta
TD
71.85%
28.15%
77.95%
22.05%
XH04
Jia
TD
80.13%
19.87%
80.24%
19.76%
XH05
Dongwei
TD
80.79%
19.21%
87.58%
12.42%
XH08
Xiting
TD
89.07%
10.93%
82.49%
17.51%
XC01
Shanbian
AW
100.00%
0.00%
100.00%
0.00%
In Shenzao geothermal field
SH01
Shenan
TD
63.91%
36.09%
57.16%
42.84%
SH02
Shenzhong
TD
58.94%
41.06%
55.67%
44.33%
SH03
Shenli
TD
63.25%
36.75%
59.05%
40.95%
SH04
Shenhai
TD
64.24%
35.76%
60.04%
39.96%
SC02
Zhenhai
SW
0.00%
100.00%
0.00%
100.00%
Samples SC02 (seawater) and XC01 (cold fresh water) accepted as the end members of the mixing. TD, thermal drill; AW, agricultural well; RF, rainfall; SW, seawater; , the fraction of fresh water; , the fraction of seawater.