Quaternary neotectonics of the Somogy Hills, Hungary (part I): Evidence from field observations

Magyari, Árpád; Musitz, Balázs; Csontos, László; Vliët-Lanoé, Brigitte van

doi:10.1016/j.tecto.2005.05.044

Cited by 20 publications

(11 citation statements)

References 8 publications

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“…7b). This situation, on similar lithologies, is common in the Pannonian Basin (Magyari et al 2005) but difficult to apply to the geometry of deformation at Pénestin, which is clearly connected with the apex of basement faults. Before the Pénestin event, the water table was high, allowing folding, and the saprolite was coherent but porous.…”

Section: Foldingmentioning

confidence: 95%

Seismically induced shale diapirism: the Mine d’Or section, Vilaine estuary, Southern Brittany

Vliët-Lanoé¹,

Hibsch²,

Csontos³

et al. 2008

Int J Earth Sci (Geol Rundsch)

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The Pénestin section (southern Brittany) presents large regular undulations, commonly interpreted as evidence of periglacial pingos. It is an upper Neogene palaeoestuary of the Vilaine River reactivated during the middle Quaternary (middle terrace). It is incised into a thick kaolinitic saprolite and deformed by saprolite diapirs. This paper presents the arguments leading to a mechanistic interpretation of the deformations at Pénestin. Neither recent transpressive tectonics nor diagnostic evidence of periglacial pingo have been found despite evidence for a late paleo-permafrost. The major deformational process is shale diapirism, initially triggered by co-seismic water supply, with further loading and lateral spreading on an already deformed and deeply weathered basement, which allowed the shale diapirism to develop. Deformations are favoured by the liquefaction of the saprolite and a seaward mass movement and recorded, rather distant, effects of an earthquake (c. 280 ka B.P.) resulting from the progressive subsidence of the southern Armorican margin. These deformations triggered by an earthquake are similar to those induced by classical shale diapirism. They are probably common in tectonically active continental environments with shallow water table.

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Section: Foldingmentioning

confidence: 95%

Seismically induced shale diapirism: the Mine d’Or section, Vilaine estuary, Southern Brittany

Vliët-Lanoé¹,

Hibsch²,

Csontos³

et al. 2008

Int J Earth Sci (Geol Rundsch)

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“…with displacements b20 m) cannot be ruled out by seismic reflection profiles, but can be checked using outcrop-scale fault-slip data and detailed mapping. Surface structural measurements reported numerous faults with variable orientations, part of them parallel with NW-SE-striking landforms (Magyari et al, 2005;Bada et al, 2010). The variability of fracture directions excludes their origin from one homogeneous stress field, i.e.…”

Section: Origin Of the Linear Valley System-alternativesmentioning

confidence: 99%

“…Some valleys south of Lake Balaton were interpreted to have formed along small folds (Magyari et al, 2005). The supposed folds were observed locally, and thus they can only control very short valley segments.…”

Section: Origin Of the Linear Valley System-alternativesmentioning

confidence: 99%

“…The main theories explaining this peculiar pattern have been the following: 1) the location and strike of valleys was determined by faults and most of the material from the valleys was removed by wind erosion (e.g. Lóczy, 1913;Cholnoky, 1929;Jámbor, 1992Jámbor, , 2002; 2) the dominant agent in the formation of valleys and ridges was tectonics, and their appearance was only slightly modified by eolian and fluvial processes (Gerner, 1992;Magyari et al, 2005); and 3) the location of valleys was controlled by faults and fluvial erosion incised them (e.g. Erdélyi, 1961Erdélyi, , 1962Szilárd, 1967;Marosi, 1970).…”

Section: Introductionmentioning

confidence: 99%

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Wind erosion under cold climate: A Pleistocene periglacial mega-yardang system in Central Europe (Western Pannonian Basin, Hungary)

Sebe¹,

Csillag²,

Ruszkiczay-Rüdiger³

et al. 2011

Geomorphology

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“…The degree of tectonic movement in Hungary during the Quaternary was determined thanks to detailed field work (Magyari et al 2005), modern seismic acquisition with hydrophones and interpretation of the sections (Cserny and Corrada 1989;Lőrincz and Szabó 1992;Bada et al 2010;Horváth and Dombrádi 2010), as well as several years' worth of GPS measurements (Grenerczy and Bada 2005).…”

Section: Significance Of the Quaternary Formationsmentioning

confidence: 99%

Geology of Hungary

Haas

Hámor

Jambor

et al. 2013

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Quaternary neotectonics of the Somogy Hills, Hungary (part I): Evidence from field observations

Cited by 20 publications

References 8 publications

Seismically induced shale diapirism: the Mine d’Or section, Vilaine estuary, Southern Brittany

Seismically induced shale diapirism: the Mine d’Or section, Vilaine estuary, Southern Brittany

Wind erosion under cold climate: A Pleistocene periglacial mega-yardang system in Central Europe (Western Pannonian Basin, Hungary)

Geology of Hungary

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