Search Results - "Stockmann, Gabrielle"
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Mineral Changes to the Tufa Columns of Ikka Fjord, SW Greenland
Published in Minerals (Basel) (2022)“…The submarine tufa columns of Ikka Fjord in Southwest Greenland have been studied during multiple field campaigns since 1995. The fjord contains close to…”
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Control of a calcite inhibitor (phosphate) and temperature on ikaite precipitation in Ikka Fjord, southwest Greenland
Published in Applied geochemistry (01-02-2018)“…Ikaite (CaCO3·6H2O) forms submarine tufa columns in Ikka Fjord, SW Greenland. This unique occurrence is thought to relate to aqueous phosphate concentration…”
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The role of silicate surfaces on calcite precipitation kinetics
Published in Geochimica et cosmochimica acta (15-06-2014)“…The aim of this study is to illuminate how calcite precipitation depends on the identity and structure of the growth substrate. Calcite was precipitated at…”
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Do carbonate precipitates affect dissolution kinetics? 1: Basaltic glass
Published in Chemical geology (24-05-2011)“…Basaltic glass dissolution rates were measured in mixed-flow reactors at basic pH and at 25 °C and 70 °C in aqueous solutions supersaturated with respect to…”
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Do carbonate precipitates affect dissolution kinetics?: 2: Diopside
Published in Chemical geology (28-01-2013)“…Diopside dissolution rates were measured in mixed-flow reactors at neutral and basic pH at 25°C and 70°C. Experiments were performed in aqueous solutions 1)…”
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Does the presence of heterotrophic bacterium Pseudomonas reactans affect basaltic glass dissolution rates?
Published in Chemical geology (23-02-2012)“…Far-from-equilibrium steady-state basaltic glass dissolution rates were measured using newly developed Bacterial Mixed-Flow Reactors (BMFR) at 25°C…”
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Hydrochemical monitoring, petrological observation, and geochemical modeling of fault healing after an earthquake
Published in Journal of geophysical research. Solid earth (01-07-2014)“…Based on hydrochemical monitoring, petrological observations, and geochemical modeling, we identify a mechanism and estimate a time scale for fault healing…”
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Towards a method for forecasting earthquakes in Iceland using changes in groundwater chemistry
Published in Communications earth & environment (06-11-2024)“…An advance has been made towards a method for forecasting earthquakes several months before they occur. The method relies on changes of groundwater chemistry…”
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Coupling between mineral reactions, chemical changes in groundwater, and earthquakes in Iceland
Published in Journal of geophysical research. Solid earth (01-04-2016)“…Chemical analysis of groundwater samples collected from a borehole at Hafralækur, northern Iceland, from October 2008 to June 2015 revealed (1) a long‐term…”
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Normal fault architecture, evolution, and deformation mechanisms in basalts, Húsavik, Iceland: Impact on fluid flow in geothermal reservoirs and seismicity
Published in Journal of structural geology (01-11-2024)“…Faults within layered basaltic sequences significantly influence hydrothermal fluid flow in shallow geothermal reservoirs and potentially during CO2…”
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Changes in groundwater trace element concentrations before seismic and volcanic activities in Iceland during 2010–2018
Published in The Science of the total environment (01-11-2021)“…We analysed temporal variations of trace element concentrations in groundwater from a 101 m-deep borehole (HA01) in northern Iceland during 2010–2018 and…”
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New multibeam mapping of the unique Ikaite columns in Ikka Fjord, SW Greenland
Published in Marine geology (01-02-2022)“…Ikka Fjord in SW Greenland is world famous for its submarine, cold-water craving ikaite (CaCO3·6H2O) tufa columns. Due to the uniqueness of the columns, Ikka…”
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Secondary alteration of the Grønnedal-Ika igneous complex and the genesis of ikaite, CaCO3·6H2O, SW Greenland
Published in Chemical geology (05-04-2019)“…The mineral ikaite (CaCO3·6H2O) precipitates from a mixture of spring water and seawater as tufa columns which grow at a rate of up to 50 cm per year reaching…”
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Geothermometry and water–rock interaction modelling at Hafralækur: Possible implications of temperature and CO2 on hydrogeochemical changes previously linked to earthquakes in northern Iceland
Published in Geothermics (01-11-2022)“…The low enthalpy (T < 150 °C) groundwater in the HA01 borehole at Hafralækur has a long time series (2008–2018) of chemical and isotopic data. In the previous…”
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Geothermometry and water-rock interaction modelling at Hafralækur: Possible implications of temperature and CO 2 on hydrogeochemical changes previously linked to earthquakes in northern Iceland
Published in Geothermics (2022)“…The low enthalpy (T < 150 °C) groundwater in the HA01 borehole at Hafralækur has a long time series (2008–2018) of chemical and isotopic data. In the…”
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Changes in groundwater chemistry before two consecutive earthquakes in Iceland
Published in Nature geoscience (2014)“…Precursor events to earthquakes are rarely reproduced. Measurement of groundwater chemistry in Iceland between 2008 and 2013 reveals distinct changes prior to…”
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Secondary alteration of the Gronnedal-Ika igneous complex and the genesis of ikaite, CaCO3 center dot 6H(2)O, SW Greenland
Published in Chemical geology (2019)“…The mineral ikaite (CaCO3 center dot 6H(2)O) precipitates from a mixture of spring water and seawater as tufa columns which grow at a rate of up to 50 cm per…”
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The Proximal Ejecta Around the Marine‐Target Lockne Impact Structure, Sweden
Published in Journal of geophysical research. Planets (01-07-2023)“…Very few impact craters on Earth have preserved proximal ejecta (ejecta blanket), which when present help us to better understand the cratering processes when…”
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Geophysical signature of Målingen, the minor crater of the Lockne–Målingen doublet impact structure
Published in Meteoritics & planetary science (01-07-2018)“…Målingen is the 0.7 km wide minor crater associated to the 10 times larger Lockne crater in the unique Lockne–Målingen doublet. The craters formed at 458 Ma by…”
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Do carbonate precipitates affect dissolution kinetics?
Published in Chemical geology (28-01-2013)“…Diopside dissolution rates were measured in mixed-flow reactors at neutral and basic pH at 25°C and 70°C. Experiments were performed in aqueous solutions 1)…”
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