Geochemistry and the Environment Division,Institute of Chemistry,Jan Kochanowski University,7 Uniwersytecka St.,25-406 Kielce,Poland;
Mass Spectrometry Laboratory,Institute of Physics,Maria Curie-Skłodowska University,1 Maria Curie-Skłodowska Sq.,20-031 Lublin,Poland;
Trace elements; Stable sulfur isotopes; Pyrite oxidation; Rare earth elements; Plants;