Geofluids

Research Article

Origin of Boron and Brine Evolution in Saline Springs in the Nangqen Basin, Southern Tibetan Plateau

Table 2

Geochemical analysis of the saline springs, Nangqen Basin.

Samples

(°C)

TDS (g/L)

Concentrations of major ions

Na⁺ (g/L)

Ca²⁺ (g/L)

K⁺ (g/L)

Mg²⁺ (g/L)

Li⁺ (10⁻³ g/L)

B (10⁻³ g/L)

Cl⁻ (g/L)

(g/L)

Br⁻ (10⁻³ g/L)

Dagai

10.7

7.75

175.36

66.28

1.34

0.08

0.30

2.66

3.01

100.49

6.62

<0.01

7.52

165.75

62.07

1.13

0.08

0.21

1.84

3.56

96.12

5.38

3.09

Riazhong

6.84

320.44

120.50

0.66

0.36

2.11

27.17

13.55

183.97

12.63

42.55

7.02

316.58

117.29

1.01

0.31

1.99

20.93

12.19

180.96

13.32

6.26

Niuriwa

11.3

6.96

148.24

56.50

0.85

0.23

0.26

2.44

1.86

87.34

2.97

3.47

7.18

150.89

57.11

1.13

0.19

0.29

3.91

2.17

87.98

2.98

3.98

Duolunduo

11.9

7.54

332.39

126.73

0.34

0.09

0.25

9.38

174.77

174.41

29.41

22.83

7.75

292.75

107.02

0.37

0.11

0.21

9.68

200.56

154.97

29.10

19.13

Baizha

8.2

7.09

273.98

105.53

1.21

0.08

0.15

5.04

20.10

162.40

4.60

6.08

7.04

269.48

103.77

1.23

0.07

0.14

4.88

21.38

159.73

4.45

4.70

Ranmu

6.1

6.98

220.43

84.30

1.26

0.20

0.33

1.03

1.00

130.53

3.70

15.10

7.14

229.26

86.03

1.19

0.29

0.41

0.75

1.74

135.77

4.49

20.30

Gayang

7.05

150.34

56.28

1.86

0.08

0.13

2.20

1.91

86.55

5.05

5.18

7.22

150.28

55.93

1.70

0.09

0.35

2.24

2.07

86.29

5.52

5.25

Italic indicates samples collected during the summer season, and bold indicates samples collected during the winter season.