A Móra Ferenc Múzeum Évkönyve, 1970. 1. (Szeged, 1970)

Fig. 3: Lake Petőfi (A) in the Danube-Tisza Interfluve (M. Mucsi, 1965) and Lake Dongér in the Tisza Valley (II) (В. Molnár, M. Mucsi and L. Magyar, 1969). Geological type sections. 1. medium sand with coarse sand (0,2 to 2,0 mm0), 2. medium sand (0,2 to 0,5 mm0), 3. small sand (0,1 to 0,2 mm0), 4. fine sand (0,06 to 0,1 mm0), 5. loessic fine sand (0,02 to 0,1 mm0), 6. loess with fine sand (0,02 to 0,1 mm0), 7. typical loess (0,02 to 0,05 mm0), 8. alkalized infusion loess (0,005 to 0,05 mm0), 9. coarse silt (0,02 to 0,06 mm0), 10. fine silt with coarse silt (0,005 to 0,06mm

0), 11. clayey, fine silt (0,005 to 0,02 mm0), 12. clay (0,005 mm0), 13. humic sediment, 14. calcareous silt, 15. slightly peaty layers, 16. strata with plant fossils, 17. carbonate content, 18. pH value