Skip to main content

Table III Concentration (molal) of a synthetic "sulfate type" Topopah Spring Tuff pore water as it evaporated at 95°C.

From: Evaporative evolution of a Na–Cl–NO3–K–Ca–SO4–Mg–Si brine at 95 °C: Experiments and modeling relevant to Yucca Mountain, Nevada

 

Sample

Concentration factor

pHa

HCO3-

Ca

Mg

Si

Na

K

Cl

NO3

SO4

Leg l

FEC9-1

1.00

nab

3.11 × 10-4

1.25 × 10-3

6.48 × 10-4

9.21 × 10-4

3.04 × 10-3

1.63 × 10-4

3.31 × 10-3

3.94 × 10-4

1.85 × 10-3

 

FEC9-2

1.07

nab

2.46 × 10-4

1.64 × 10-3

3.11 × 10-4

6.27 × 10-4

3.11 × 10-3

1.73 × 10-4

3.56 × 10-3

3.97 × 10-4

1.95 × 10-3

 

FEC9-3

1.23

nab

1.16 × 10-4

1.91 × 10-3

2.56 × 10-4

6.07 × 10-4

3.68 × 10-3

1.99 × 10-4

4.06 × 10-3

4.48 × 10-4

2.23 × 10-3

 

FEC9-4

1.55

7.94

ndc

2.31 × 10-3

2.95 × 10-4

6.97 × 10-4

4.42 × 10-3

2.46 × 10-4

5.09 × 10-3

5.27 × 10-4

2.80 × 10-3

 

FEC9-5

2.08

7.18

ndc

3.11 × 10-3

3.86 × 10-4

8.86 × 10-4

5.93 × 10-3

3.37 × 10-4

6.97 × 10-3

6.94 × 10-4

3.74 × 10-3

 

FEC9-6

3.15

7.57

ndc

4.36 × 10-3

5.58 × 10-4

1.15 × 10-3

9.23 × 10-3

5.15 × 10-4

1.00 × 10-2

1.15 × 10-3

4.54 ×10-3

Leg 2

FEC12-1

3.15

8.6

1.59 × 10-4

4.69 × 10-3

6.05 × 10-4

1.38 × 10-3

1.10 × 10-2

5.82 × 10-4

9.80 × 10-3

1.32 × 10-3

4.64 × 10-3

 

FEC12-2

3.44

8.29

ndc

5.12 × 10-3

6.05 × 10-4

1.46 × 10-3

1.20 × 10-2

5.65 × 10-4

1.08 × 10-2

1.40 × 10-3

5.12 × 10-3

 

FEC12-3

3.63

7.91

ndc

5.43 × 10-3

6.17 × 10-4

1.51 × 10-3

1.28 × 10-2

6.70 × 10-4

1.14 × 10-2

1.45 × 10-3

5.42 × 10-3

 

FEC12-4

4.23

7.87

ndc

6.53 × 10-3

7.08 × 10-4

1.77 × 10-3

1.53 × 10-2

7.70 × 10-4

1.37 × 10-2

1.69 × 10-3

6.46 × 10-3

 

FEC12-5

4.85

7.59

ndc

7.49 × 10-3

8.14 × 10-4

2.05 × 10-3

1.74 × 10-2

8.91 × 10-4

1.62 × 10-2

1.92 × 10-3

7.65 × 10-3

 

FEC12-6

5.93

7.19

ndc

9.25 × 10-3

9.95 × 10-4

2.53 × 10-3

2.16 × 10-2

1.15 × 10-3

1.91 × 10-2

2.29 × 10-3

9.00 × 10-3

 

FEC12-7

7.65

7.61

ndc

1.17 × 10-2

1.26 × 10-3

3.18 × 10-3

2.72 × 10-2

1.42 × 10-3

2.49 × 10-2

2.92 × 10-3

1.17 × 10-2

 

FEC12-8

11.79

7.47

ndc

1.77 × 10-2

1.92 × 10-3

4.79 × 10-3

4.14 × 10-2

2.28 × 10-3

3.79 × 10-2

4.43 × 10-3

1.77 × 10-2

 

FEC12-9

28.42

7.32

ndc

2.25 × 10-2

4.52 × 10-3

7.91 × 10-3

1.05 × 10-1

5.66 × 10-3

9.80 × 10-2

1.12 × 10-2

2.35 × 10-2

Leg 3

FEC13-1

28.42

7.69

1.92 × 10-4

2.17 × 10-2

1.06 × 10-3

2.24 × 10-3

1.11 × 10-1

6.54 × 10-3

1.05 × 10-1

1.18 × 10-2

2.24 × 10-2

 

FEC13-2

38.63

7.07

ndc

2.06 × 10-2

8.99 × 10-4

2.87 × 10-3

1.37 × 10-1

8.90 × 10-3

1.29 × 10-1

1.64 × 10-2

2.28 × 10-2

 

FEC13-3

47.95

6.99

ndc

2.04 × 10-2

9.80 × 10-4

3.38 × 10-3

1.57 × 10-1

1.27 × 10-2

1.52 × 10-1

2.00 × 10-2

2.42 × 10-2

 

FEC13-4

64.87

6.4

ndc

2.71 × 10-2

1.54 × 10-3

4.24 × 10-3

2.37 × 10-1

1.34 × 10-2

2.00 × 10-1

2.89 × 10-2

2.80 × 10-2

 

FEC13-5

129.02

6.21

ndc

2.91 × 10-2

2.62 × 10-3

6.41 × 10-3

4.55 × 10-1

2.55 × 10-2

3.66 × 10-1

4.59 × 10-2

3.24 × 10-2

 

FEC13-6

187.64

6.34

ndc

3.38 × 10-2

3.52 × 10-3

6.60 × 10-3

6.18 × 10-1

4.13 × 10-2

5.46 × 10-1

7.36 × 10-2

4.27 × 10-2

 

FEC13-7

306.40

nab

ndc

4.21 × 10-2

6.43 × 10-3

6.32 × 10-3

1.15 × 100

6.99 × 10-2

9.93 × 10-1

1.29 × 10-1

5.85 × 10-2

Leg 4

FEC14-1

306.40

8.076

1.95 × 10-4

4.06 × 10-2

1.88 × 10-3

3.09 × 10-4

1.12 × 100

7.89 × 10-2

1.09 × 100

1.32 × 10-1

5.80 × 10-2

 

FEC14-2

361.93

7.82

1.74 × 10-4

4.27 × 10-2

1.95 × 10-3

1.98 × 10-4

1.35 × 100

9.22 × 10-2

1.28 × 100

1.54 × 10-1

6.28 × 10-2

 

FEC14-3

409.63

7.476

1.67 × 10-4

4.38 × 10-2

2.10 × 10-3

1.53 × 10-4

1.52 × 100

1.05 × 10-1

1.46 × 100

1.76 × 10-1

6.67 × 10-2

 

FEC14-4

465.88

7.899

1.52 × 10-4

4.51 × 10-2

2.27 × 10-3

1.25 × 10-4

1.76 × 100

1.21 × 10-1

1.68 × 100

2.00 × 10-1

7.09 × 10-2

 

FEC14-5

632.48

7.772

1.39 × 10-4

4.19 × 10-2

2.81 × 10-3

1.05 × 10-4

2.37 × 100

1.62 × 10-1

2.23 × 100

2.73 × 10-1

7.24 × 10-2

 

FEC14-6

820.18

7.946

1.69 × 10-4

3.89 × 10-2

3.41 × 10-3

8.62 × 10-5

3.09 × 100

2.13 × 10-1

2.90 × 100

3.51 × 10-1

7.70 × 10-2

 

FEC14-7

1227.81

7.376

1.53 × 10-4

2.82 × 10-2

4.83 × 10-3

6.16 × 10-5

4.66 × 100

3.15 × 10-1

4.40 × 100

5.26 × 10-1

8.41 × 10-2

 

FEC14-8

1734.09

6.87

1.30 × 10-4

1.94 × 10-2

6.40 × 10-3

4.65 × 10-5

6.60 × 100

4.40 × 10-1

6.20 × 100

7.44 × 10-1

9.97 × 10-2

 

FEC14-9

2601.94

6.971

2.94 × 10-4

1.23 × 10-2

8.48 × 10-3

3.12 × 10-5

7.20 × 100

6.44 × 10-1

6.61 × 100

1.09 × 100

1.28 × 10-1

 

FEC14-10

3389.64

7.322

2.66 × 10-4

1.03 × 10-2

9.02 × 10-3

1.89 × 10-5

7.42 × 100

8.09 × 10-1

6.59 × 100

1.42 × 100

1.36 × 10-1

  1. aMeasured at room temperature.
  2. bNot analyzed.
  3. cNot detected.
  4. Detection limits: F = 0.25 ppm, HCO3 = 1 ppm.
Back to article page

Geochemical Transactions

ISSN: 1467-4866

Contact us