SKŁAD CHEMICZNY WÓD W UTWORACH SIARCZANOWYCH I WĘGLANOWYCH NEOGENU I KREDY W REJONIE NIECKI NIDZIAŃSKIEJ

Authors

  • Jacek Różkowski
  • Krzysztof Jóźwiak
  • Anna Chwalik-Borowiec

Keywords:

skład chemiczny wód, gipsy, skały węglanowe, Niecka Nidziańska.

Abstract

WATER CHEMISTRY IN THE NEOGENE AND CRETACEOUS SULPHATE AND CARBONATE ROCKS OF THE NIDA BASIN AREAAbstract. 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/dm3 and the hydrochemical type is SO4-Ca. Ascending springs represent an intermediate flow system. Their mineralization is 8.00–11.00 g/dm3 and the hydrochemical type is Cl-SO4-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/dm3, and the hydrochemical type is HCO3-Ca, and in Upper Cretaceous marls the mineralization is 0.50–0.60 g/dm3, and the hydrochemical types are HCO3-Ca and HCO3-Ca-Mg. The trace elements that occurr at highest concentration in the studied groundwaters include Sr (0.34–12.48 mg/dm3) and then Br (28.00–301.00 μg/dm3), Ba (9.00–121.00 μg/dm3) and Li (3.10–46.90 μg/dm3); subordinarily there are also: Al, Cu, Sc, U, Rb, Mo and Zn (<0.50–44.00 μg/dm3).

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