Table 1 Pre-injection conditions, elemental concentrations (from Alfredsson et al.7) and Ca isotope ratios
From: Rapid CO2 mineralisation into calcite at the CarbFix storage site quantified using calcium isotopes
Borehole | Sample | Sampling date | Depth | T (°C) | pH | Na (μg/ml) | Si (μg/ml) | Ca (μg/ml) | Sr (ng/ml) | Li (ng/ml) | Calcite SI | δ44/40Ca | 2 s.e. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
HK-7b | 08HAA08 | 08/07/2008 | Shallow | 12.4 | 7.65 | 9.17 | 12.0 | 11.3 | 20.1 | −1.13 | |||
HN-4 | 08HAA01 | 01/07/2008 | Deep | 32.3 | 9.43 | 48.6 | 25.1 | 1.64 | 1.62 | 0.40 | 0.12 | 1.95 | 0.05 |
HK-34 | 08HAA03 | 04/07/2008 | Deep | 25 | 9.63 | 49.6 | 22.7 | 2.17 | 3.98 | ||||
HK-31 | 08HAA05 | 04/07/2008 | Deep | 17.4 | 9.29 | 41.8 | 20.7 | 3.75 | 11.9 | 0.31 | 0.29 | 2.04 | 0.04 |
HK-26 | 08HAA06 | 04/07/2008 | Deep | 18.8 | 8.44 | 72.5 | 17.8 | 5.72 | 28.3 | ||||
HK-26 | 09HAA17 | 29/05/2009 | Deep | 16.5 | 8.51 | 77.0 | 16.7 | 5.36 | 26.5 | 0.59 | 0.02 | 1.22 | 0.05 |
HK-12 | 09HAA18 | 29/05/2009 | Shallow | 5.3 | 8.33 | 8.82 | 8.63 | 8.39 | 14.8 | 0.16 | −0.78 | 1.11 | 0.05 |
HK-31 | 09HAA19 | 29/05/2009 | Deep | 18.9 | 9.41 | 48.6 | 21.1 | 3.69 | 11.9 | 0.44 | 0.37 | 1.91 | 0.05 |
HK-25 | 09HAA20 | 29/05/2009 | Shallow | 7.4 | 8.09 | 8.00 | 9.0 | 8.02 | 13.9 | 0.28 | −1.00 | 1.09 | 0.04 |
HK-34 | 09HAA21 | 29/05/2009 | Deep | 27.5 | 9.79 | 55.0 | 24.6 | 1.30 | 1.74 | 0.23 | 0.15 | 2.04 | 0.03 |
rpt | 1.98 | 0.06 | |||||||||||
HK-7b | 09HAA22 | 29/05/2009 | Shallow | 11.7 | 7.67 | 12.2 | 13.0 | 21.7 | 38.9 | 0.31 | −0.50 | 1.14 | 0.03 |
HN-1 | 09HAA23 | 29/05/2009 | Deep | 24.7 | 9.26 | 43.5 | 14.1 | 5.37 | 18.1 | 0.16 | 0.51 | 2.07 | 0.04 |
HN-4 | 09HAA24 | 05/06/2009 | Deep | 34.5 | 9.56 | 55.6 | 25.2 | 1.32 | 1.27 | 0.27 | 0.10 | 1.89 | 0.04 |
HK-26 | 10HAA26 | 25/06/2010 | Deep | 17.2 | 8.65 | 74.5 | 16.6 | 5.25 | 26.1 | 0.32 | 0.05 | 1.62 | 0.04 |
HK-31 | 10HAA28 | 25/06/2010 | Deep | 16.9 | 9.55 | 48.6 | 23.1 | 3.61 | 12.0 | 0.41 | 0.42 | 1.91 | 0.06 |
HN-4 | 10HAA29 | 25/06/2010 | Deep | 30.4 | 9.69 | 54.7 | 30.6 | 1.29 | 1.14 | ||||
HK-34 | 10HAA30 | 25/06/2010 | Deep | 28.0 | 9.88 | 51.0 | 27.1 | 1.21 | 1.67 | 0.24 | 0.03 | 1.75 | 0.03 |
