Data for: Oscillating redox conditions in the Middle-Late Jurassic Alpine Tethys: An insight from selected geochemical indices and 57Fe Mössbauer spectroscopic study

57Fe Mössbauer spectra of all samples from radiolarian-bearing siliceous limestones and carbonate-poor cherts from the Zliechov Basin, the Carpathian domain of the Alpine Tethys; percentage distribution (relative abundances) of iron corresponds to: ankerite-like Fe2+-(C) , aluminosilicate (chlorite-like) Fe2+-(Si) and Fe3+-(Si), hematite Fe2O3, and metallic iron α-Fe