1. Stratigraphy of the Late Miocene basin fill below Lake Balaton
Ferenc Visnovitz
PhD Student
Department of Geophysics and Space Sciences, Eötvös Loránd University, Budapest, Hungary
ISZA 2012
March 31. 1

2. 1. The Study Area (Lake Balaton)2
Balatonos képek!
Tóth Zsuzsa 2009, Sacchi 2001 nyomán

3. Location of self-slope in the Late Miocene
2. Geological and stratigraphic background (The studied formations and environments) 3
After Magyar et al, 1999
Zagyva – delta plain
Újfalu – delta front
Algyő – delta slope
Szolnok – turbidites & submarine fans
Endrőd – deep water marl
Location of self-slope in the Late Miocene
Tihany – basin edge marshes
Somló – delta slope
Szák – shallow water
Csór – shallow water with high energy, above wavebase
Csákvár – lagoons with low O2
Kálla, Kisbér, Zámor – beach with wave movement
Juhász, 1998
After Magyar et al, 2009
After Horváth et al , 2010
Sacchi, 2002

4. Water seismic imaging method
3. The imaging method and recent data base 4
Water seismic imaging method
Szafián, 2007
Single Channel Surveys:
Instrument: SEISTEC™
Source: boomer
Resolution: 0.1 m
Penetration depth: 5-20 m
Positioning: Laser teodolit and DGPS
Recording: PRESEIS

5. Seistec™ single channel images, 1997-2011
3. The imaging method and recent data base 5
Seistec™ single channel images,

6. 3. The imaging method and recent data base6
Italian-Hungarian cooperation, 1993

7. 3. The imaging method and recent data base7
German multichannel lines, 2004

8. 4. Interpretation method, systematic mapping of the „main” horizons8
Chosing a horizon to follow
Map the horizon by correlating it from one seismic section to another
Griding
Blanking the eroded surface

9. Summary of identified sediment packages
5. Stratigrapic position of the mapped horizons along a composite seismic profile 9
5 km
Lower/Middle Pleistocene
water
mud
Pannonian strata N
Summary of identified sediment packages
10 km

10. 6. Specific boundaries 10
BAL-023
BAL-01

11. 6. Interesting mound-like features in one of the sediment packages11
0 ms
50 ms
1 km
A promising interpretation and importance
Travertine mounds or
geysirites?
Scheuer and Schweitzer, 1985

12. 7. Horizons as parasequences Correlation with well-logs 1. (K-33)12
Well log after Szick Nóra, 2010

13. 7. Horizons as parasequences Correlation with well-logs 2. (S-3)13
Well log after Szick Nóra, 2010

14. 7. Horizons as parasequences Correlation through wells14

15. Holocene-Pleistocene
8. Summary: The theoretical model of the imaged Pannonian Strata 15
Base Pannonian
Base Pannonian
Base
Holocene-Pleistocene
Base Pannonian
After Porebski & Steel, 2003

16. Thank you for your attention!
Acknowledgment
Special thanks to
F. Horváth supervising my PhD research,
OTKA NK83400 for financial support,
and
Thank you for your attention!