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Ascending deep fluids into shallow aquifer at hydraulically active segments of the western boundary fault of the Rhine Graben, Germany: constraints from 87Sr/86Sr ratios : 15th Water-Rock Interaction International Symposium, WRI-15

87Sr/86Sr ratios have been used as a tracer of fault-controlled fluid ascent into shallow aquifers at the Western Boundary Fault (WBF) of the northern upper Rhine Graben in Germany, a major rift system of the European continent. The 87Sr/86Sr ratios and Sr contents from the Quarternary groundwater c...

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Bibliographic Details
Main Authors: Schmidt, Gerhard (Author) , Al Najem, Sami (Author) , Isenbeck-Schröter, Margot (Author) , Freundt, Florian (Author) , Kraml, Michael (Author) , Eichstädter, René (Author) , Aeschbach, Werner (Author)
Format: Article (Journal) Conference Paper
Language:English
Published: 18 January 2017
In: Procedia earth and planetary science
Year: 2017, Volume: 17, Pages: 81-84
DOI:10.1016/j.proeps.2016.12.001
Subjects:
Konferenzschrift
Online Access:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1016/j.proeps.2016.12.001
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S1878522016300339
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Author Notes:Gerhard Schmidt, Sami Al Najem, Margot Isenbeck-Schröter, Florian Freundt, Michael Kraml, René Eichstädter, Werner Aeschbach
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Summary:87Sr/86Sr ratios have been used as a tracer of fault-controlled fluid ascent into shallow aquifers at the Western Boundary Fault (WBF) of the northern upper Rhine Graben in Germany, a major rift system of the European continent. The 87Sr/86Sr ratios and Sr contents from the Quarternary groundwater conducting sediments of the uppermost aquifer increase with decreasing distance to the WBF. The 87Sr/86Sr ratios and Sr contents of the shallow groundwater range from 0.70877 to 0.71022 and 0.41 to 2.30 mg/l, respectively. The Strontium isotope ratios are important tracers of hydrological processes such as water-rock interaction and groundwater mixing at active faults and thus a powerful geochemical tool for the detection of the ascent of deep fluids at hydraulically active segments of faults and its mixing with shallow recharged groundwater.
Item Description:Im Zusatz zum Titel sind die Zahlen hochgestellt
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Physical Description:Online Resource
DOI:10.1016/j.proeps.2016.12.001

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