E3S Web Conf.
Volume 98, 201916th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference)
|Number of page(s)||6|
|Section||Geological Evolution of Water-Rock System: Mechanisms, Processes, Factors, Stages. The Session Dedicated to Stepan Shvartsev’s Memory|
|Published online||07 June 2019|
Silicon in ultrafresh groundwater: a case study of the Imandra Lake catchment, The Kola Peninsula
National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
2 Apatity branch of «Murmansk State Technical University», 184209 Apatity, Russia
3 Kola branch of Geophysical Survey of RAS, 184209 Apatity, Russia
* Corresponding author: firstname.lastname@example.org
The ultrafresh groundwater (with TDS values less than 200 mg/L) of the Imandra Lake catchment, Kola Peninsula, is from an intensive water exchange zone, where the water has a short period of contact with the rock. Therefore, the considered water is at the initial stages of the water–rock interaction. The water is saturated with respect to oxides and hydroxides of aluminium and iron. In the groundwater of the Imandra Lake catchment area, the silicon concentrations significantly exceed the concentrations of magnesium and especially potassium. Nevertheless, water is undersaturated with respect to with respect to silicon oxides. The shown enrichment of water with cations is explained by time of water-rock interaction.
© The Authors, published by EDP Sciences, 2019
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