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A Pannon-medence geodinamikája: “egy paradigmaváltás küszöbén” ? Horváth Ferenc és Balázs Attila MFGI, 2014. május 21. 2

A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

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Page 1: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

A Pannon-medence geodinamikája:

“egy paradigmaváltás küszöbén” ?

Horváth Ferenc és Balázs Attila

MFGI, 2014. május 21.

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Page 2: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

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Page 3: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

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Page 4: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

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Page 5: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

GPS data: Pannonian basin is compressional

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Pliocene through Quaternary differential movements

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Page 6: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

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Page 7: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

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Page 8: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

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Page 9: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

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Renner, 1959

Page 10: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

Residual Topography:Actual-Airy isostatic (Faccenna et al. 2014)

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First-order mantle flow pattern(Faccenna et al. 2014)

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Page 11: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

Mantle flow generated topography(Becker et al. 2013, Faccenna et al. 2014)

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Page 13: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

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Conclusion: Pannonian basin tectonics controlled by:-intraplate stress-mantle flow induced stress

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Page 14: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

Összegzés

• A Pannon-medence az alpi-mediterrántérség része;

• A kialakulás története és mechanizmusafő vonásaiban jól ismert;

• Ennek keretein belül lehet továbblépni, alapvetően geodinamikai modellezéssel;

• A kémiai geodinamika ennek a továbblépésnek egy lehetséges eleme; ;

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Page 15: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

Orogenic wedge extrusion superimposes detached crustal flake directly onto the astenosphere

Early Miocene reconstruction

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Page 17: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

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Corrected Heat Flow (mW/m2)

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Page 18: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

Crustal thickness (km)

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Lithospheric and Crustal thickness (km) Tasarova et al. 2008

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Page 19: A Pannon-medence geodinamikája - mfgiold · 800 400 distance [km) 7.5 Ma 5 Ma 2 Ma Ma 1200 Fig. 13. Foldingof the topographic surface in response to horizontal contraction after

Thickness of Pannonian basin filland exposed volcanic rocks

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