Water chemistry in the Neogene and Cretaceous sulphate and carbonate rocks of the Nida Basin area
Journal Title: Biuletyn Państwowego Instytutu Geologicznego - Year 2015, Vol 462, Issue 462
Abstract
The paper presents the results of groundwater chemistry research in the Nida Basin carried out in April 2011. Water from the Badenian gypsum series represents local flow systems. Its mineralization is more than 2.00 g/dm[sup]3[/sup] and the hydrochemical type is SO[sub]4[/sub]-Ca. Ascending springs represent an intermediate flow system. Their mineralization is 8.00–11.00 g/dm[sup]3[/sup] and the hydrochemical type is Cl-SO[sub]4[/sub]-Ca. Chemistry of water circulating in shallow flow systems differs depending on lithology; in Badenian lithotamnium limestones the mineralization is 0.40–0.70 g/dm[sup]3[/sup], and the hydrochemical type is HCO[sub]3[/sub]-Ca, and in Upper Cretaceous marls the mineralization is 0.50–0.60 g/dm[sup]3[/sup], and the hydrochemical types are HCO[sub]3[/sub]-Ca and HCO[sub]3[/sub]-Ca-Mg. The trace elements that occurr at highest concentration in the studied groundwaters include Sr (0.34–12.48 mg/dm[sup]3[/sup]) and then Br (28.00–301.00 µg/dm[sup]3[/sup]), Ba (9.00–121.00 µg/dm[sup]3[/sup]) and Li (3.10–46.90 µg/dm[sup]3[/sup]); subordinarily there are also: Al, Cu, Sc, U, Rb, Mo and Zn (<0.50–44.00 µg/dm[sup]3[/sup]).
Authors and Affiliations
Jacek RÓŻKOWSKI, Krzysztof JÓŹWIAK, Anna CHWALIK-BOROWIEC
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