Table III

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


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

aMeasured at room temperature.

bNot analyzed.

cNot detected.

Detection limits: F = 0.25 ppm, HCO3 = 1 ppm.

Alai et al. Geochemical Transactions 2005 6:31   doi:10.1186/1467-4866-6-31