1. Fundamentals of geology II. (palaeoecological reconstruction)2.
Engineering and Environmental Geology
Fundamentals of geology II. (palaeoecological reconstruction)

2. 1. Stratigraphy
The rule of superposition

3. Lithostratigraphy
Lithostratigraphy of the Hungarian Oligocene (

4. Biostratigraphy
The main types of biozones

5. Concordant beds in the Wind Brickyard
Discordant beds at Diósgyőr
Two types of discordancy (BÁLDI 2003)

6. Stratification
Cross-laminated sand at Radostyán

7. Unbedded reef limestone
Secondary unbedded structure in sand

8. Parallel bedded sand and clay
Laminite

9. General model of cross stratification

10. Model of 2D cross stratification

11. Cross section of climbing ripples

12. Small-sized forms in sand-pelite system (BÁLDI 2003)

13. 2. Palaeoecology
Habitats in the ocean (STOW 2006)

14. Characteristic benthic, nektonic and planktonic organisms of the oceans

15. Thank you for your attention!