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Table 2 General features of the samples used in this work

From: Characterisation of dissolved organic compounds in hydrothermal fluids by stir bar sorptive extraction - gas chomatography - mass spectrometry. Case study: the Rainbow field (36°N, Mid-Atlantic Ridge)

Year

Location

Sample name

Twister® #

Depth (m)

pH

T (°C)

H 2 S (mM)

Cl - (mM)

2005

A

EXO-D6-Ti1

T10 & T11

2306

3.79

353

0.963

774

2007

B

MAD-D8-Ti1D

T88

2305

3.36

350

-

754

2007

C

MAD-D6-Ti2G

T78

2265

3.23

353

-

761

2008

C

MOM-D4-Ti3

T91-T98

2258

3.18

360

-

716

2005-8

-

Deep seawater

-

2230-90

7.84

2

<0.1

547

  1. For location refer to Figure 2.
  2. Typical concentrations in deep seawater are given for reference. A deep seawater sample was collected each year outside of the active zone (outside the box on Figure 2) and the values are averages of those 3 samples.
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Geochemical Transactions

ISSN: 1467-4866

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