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Biology Articles » Geobiology » Microbial and hydrothermal aspects of ferric oxyhydroxides and ferrosic hydroxides: the example of Franklin Seamount, Western Woodlark Basin, Papua New Guinea » Table 1

Table 1
- Microbial and hydrothermal aspects of ferric oxyhydroxides and ferrosic hydroxides: the example of Franklin Seamount, Western Woodlark Basin, Papua New Guinea

Chemistry of low temperature vent fluid sample from Franklin Seamount, Woodlark Basin. All data from Binns et al.5

  Vent fluid
Ambient seawater

T/°C
20–30
2.1
pH
6.26
7.57
Alkalinity/u equiv l-1
3.08
2.86–2.91
     
Conc./mM kg-1
   
Mg
51.96
52.66–52.99
Ca
10.47
9.85–9.87
Si
0.33
0.117–0.118
Li
0.036
0.026
Mn
0.010
2.5 × 10-6-4.5 × 10-6
Fe
0.038
4 × 10-6
Cl
532.9
530–531
H2S
NDa
ND
NO3
23.8
35.8–37.7
NO2
<0.1
ND
NH4
7.5
ND
PO4
0.78
2.6–2.9
     
Conc./μM kg-1
   
Ni
0.014
0.006
Cu
0.78
0.012–0.046
Zn
0.38
ND
     
Conc./nM kg-1
   
Ag
0.23
0.09–0.18
Pb
1.2
0.38–0.48

aND, not determined.


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